• Search Research Projects
  • Search Researchers
  • How to Use
  1. Back to previous page

Spin coherence of electrons and its control in semiconductor quantum structures

Research Project

Project/Area Number 12305001
Research Category

Grant-in-Aid for Scientific Research (A)

Allocation TypeSingle-year Grants
Section一般
Research Field Applied materials science/Crystal engineering
Research InstitutionTohoku University

Principal Investigator

OHNO Hideo  Research Institute of Electrical Communication, Tohoku University, Professor, 電気通信研究所, 教授 (00152215)

Co-Investigator(Kenkyū-buntansha) OHNO Yuzo  Research Institute of Electrical Communication, Tohoku University, Associate Professor, 電気通信研究所, 助教授 (00282012)
MATSUKURA Fumihiro  Research Institute of Electrical Communication, Tohoku University, Research Associate, 電気通信研究所, 助手 (50261574)
Project Period (FY) 2000 – 2002
Project Status Completed (Fiscal Year 2002)
Budget Amount *help
¥43,360,000 (Direct Cost: ¥37,000,000、Indirect Cost: ¥6,360,000)
Fiscal Year 2002: ¥12,220,000 (Direct Cost: ¥9,400,000、Indirect Cost: ¥2,820,000)
Fiscal Year 2001: ¥15,340,000 (Direct Cost: ¥11,800,000、Indirect Cost: ¥3,540,000)
Fiscal Year 2000: ¥15,800,000 (Direct Cost: ¥15,800,000)
KeywordsCarrier-induced ferromagnetism / Diluted magnetic semiconductor / GaMnAs / InMnAs / Giant magnetoresistance / Molecular beam epitaxy / Tunnel magnetoresistance / Nuclear magnetic resonance / スピンコヒーレンス / 磁性半導体 / キャリアスピン / 核スピン / スピン注入 / 強磁性体
Research Abstract

In this project, we carried out researches on (1) manifestation and control of spin coherence of electrons, (2) elucidation and control of interaction between electrons and nuclear spins or localized magnetic spins in semiconductor quantum structures, and (3) fabrication of novel devices which utilize spin-dependent electronic and optical properties based on the hybridization of conventional nonmagnetic semiconductor heterostructures and ferromagnetic semiconductors. During the term, we got the following results.
1. We demonstrated, for the first time, the electric field control of ferromagnetism of a ferromagnetic semiconductor (In,Mn)As. Using a field effect transistor structure, we controlled the hole concentration in (In,Mn)As channel by a gate voltage so that the hole-mediated ferromagnetic interaction can be modulated.
2. Using tow-temperature molecular beam epitaxy (LT-MBE), we successfully prepared zinc-blende CrSb, which does not exist in nature. We also demonstrated that the zi … More nc-blende CrSb is room-temperature ferromagnetic.
3. We prepared (Ga,Mn)As/(Al,Ga)As/(Ga.Mn)As ferromagnetic semiconductor trilayer structures by LT-MBE in order to investigate spin-dependent transport properties. In such all semiconductor trilayer structures, we successfully demonstrated the giant magnetoresistance and tunnel magnetoresistance (TMR) effects, which have been widely utilized in magnetoelectronics devices made of metal-based junctions, in particular, exceeding 100% TMR has been realized in a (Ga,Mn)As/GaAs/(Ga,Mn)As tunnel junction.
4. We prepared modulation doped GaAs/AlGaAs(110) quantum wells by MBE, and investigated the spin coherence time of electrons by a time-resolved Faraday rotation (TRFR) technique. We observed resonant spin amplification, which indicates that the electron spin coherence time is nearly 10 ns, and all optic unclear magnetic resonance.
5. We prepared a spin Esaki diode, which consists of a p-(Ga,Mn)As/n-GaAs, and demonstrated electrical electron spin injection into a nonmagnetic semiconductor via interband spin tunneling in the structure. Less

Report

(4 results)
  • 2002 Annual Research Report   Final Research Report Summary
  • 2001 Annual Research Report
  • 2000 Annual Research Report
  • Research Products

    (151 results)

All Other

All Publications (151 results)

  • [Publications] M.Kohda: "Electrical Electron Spin Injection with a p^+-(Ga,Mn)As/n^+-GaAs Tunnel Junction"Journal of Superconductivity. 16. 167-170 (2003)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      2002 Final Research Report Summary
  • [Publications] H.Sanada: "Drift Transport of Spin-Polarized Electrons in GaAs"Journal of Superconductivity. 16. 217-219 (2003)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      2002 Final Research Report Summary
  • [Publications] D.Chiba: "Electric Field Effect on the Magnetic Properties of III-V Ferromagnetic Semiconductor (In,Mn) As and ((Al),Ga,Mn)As"Journal of Superconductivity. 16. 179-182 (2003)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      2002 Final Research Report Summary
  • [Publications] K.Ohtani: "InAs/AlSb quantum cascade lasers operating at 10μm"Applied Physics Letters. 82. 1003-1005 (2003)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      2002 Final Research Report Summary
  • [Publications] K.Ohtani: "Intersubband absorption in n-doped InAs/AlSb multiple-quantum-well structures"Applied Physics Letters. 82. 37-39 (2003)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      2002 Final Research Report Summary
  • [Publications] K.Ohtani: "An InAs-Based Intersubband Quantum Cascade Laser"Jpn. J. Appl. Phys. 41. L1279-L1280 (2002)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      2002 Final Research Report Summary
  • [Publications] H.Ohno: "Ferromagnetic semiconductors for spin electronics"Journal of Magnetism and Magnetic Materials. 242. 105-107 (2002)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      2002 Final Research Report Summary
  • [Publications] T.Tsuruoka: "Local electronic structures of GaMnAs observed by cross-sectional scanning tunneling microscopy"Applied Physics Letters. 81. 2800-2802 (2002)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      2002 Final Research Report Summary
  • [Publications] H.Sanada: "Relaxation of photoinjected spins during drift transport in GaAs"Applied Physics Letters. 81. 2788-2790 (2002)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      2002 Final Research Report Summary
  • [Publications] K.Takamura: "Magnetic properties of (Al,Ga,Mn) As"Applied Physics Letters. 81. 2590-2592 (2002)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      2002 Final Research Report Summary
  • [Publications] Y.Ohno: "Valence band barrier at (Ga,Mn)As/GaAs interfaces"Physica E. 13. 521-524 (2002)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      2002 Final Research Report Summary
  • [Publications] H.Akinaga: "Semiconductor Spintronics"IEEE Transactions on Nanotechnology. 1. 19-31 (2002)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      2002 Final Research Report Summary
  • [Publications] Y.Li: "Hall Magnetometry on a single iron nanoparticle"Applied Physics Letters. 80. 4644-4646 (2002)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      2002 Final Research Report Summary
  • [Publications] J.H.Zhao: "Growth and properties of (Ga,Mn)As on Si (100) substrate"Journal of Crystal Growth. 237-239. 1349-1352 (2002)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      2002 Final Research Report Summary
  • [Publications] D.K.Young: "Anisotropic electrical spin injection in ferromagnetic semiconductor heterostructures"Applied Physics Letters. 80. 1598-1600 (2002)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      2002 Final Research Report Summary
  • [Publications] F.Matsukura: "Control of ferromagnetism in field-effect transistor of a magnetic semiconductor"Physica E. 12. 351-355 (2002)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      2002 Final Research Report Summary
  • [Publications] H.Ohno: "Semiconductor Spin Electronics"JSAP International. 5. 4-13 (2002)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      2002 Final Research Report Summary
  • [Publications] T.Tsuruoka: "Microscopic identification of dopant atoms in Mn-doped GaAs layers"Solid State Communications. 121. 79-82 (2002)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      2002 Final Research Report Summary
  • [Publications] M.Kohda: "A Spin Esaki Diode"Jpn. J. Appl. Phys.. 40. L1274-L1276 (2001)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      2002 Final Research Report Summary
  • [Publications] Y.Nagai: "Spin Polarization Dependent Far Infrared Absorption in Ga_<1-x>Mn_xAs"Jpn. J. Appl. Phys.. 40. 6231-6234 (2001)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      2002 Final Research Report Summary
  • [Publications] G.Salis: "Origin of enhanced dynamic nuclear polarization and all-optical nuclear magnetic resonance in GaAs quantum wells"Physical Review B. 64. 195304-1-195304-10 (2001)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      2002 Final Research Report Summary
  • [Publications] J.H.Zhao: "Room-temperature ferromagetism in zinblende CrSb grown by molecular-beam epitaxy"Applied Physics Letters. 79. 2776-2778 (2001)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      2002 Final Research Report Summary
  • [Publications] H.Ohno: "Spin-dependent phenomena in ferromagnetic/nonmagnetic III-V heterostuctures"Solid State Communications. 119. 281-289 (2001)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      2002 Final Research Report Summary
  • [Publications] H.Ohno: "Spin-Dependent Properties of Ferromagnetic/Nonmagnetic GaAs Heterostructures"Material Science and Engineering B. 84. 70-74 (2001)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      2002 Final Research Report Summary
  • [Publications] K.Takamura: "Growth and properties of (Ga,Mn)As films with high Mn concentration"Journal of Applied Physics. 89. 7024-7026 (2001)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      2002 Final Research Report Summary
  • [Publications] T.Adachi: "Spin relaxation in n-modulation doped GaAs/AlGaAs (110) quantum wells"Physica E. 10. 36-39 (2001)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      2002 Final Research Report Summary
  • [Publications] T.Fukumura: "Magnetic domain structure of a ferromagnetic semiconductor (Ga,Mn)As observed with scanning probe microscopes"Physica E. 10. 135-138 (2001)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      2002 Final Research Report Summary
  • [Publications] T.Omiya: "Magnetotransport properties of (Ga,Mn)As grown on GaAs (411) A substrates"Physica E. 10. 206-209 (2001)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      2002 Final Research Report Summary
  • [Publications] S.Ueda: "Magnetic circular dichroism in Mn 2p core absorption of Ga_<1-x>Mn_xAs"Physica E. 10. 210-214 (2001)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      2002 Final Research Report Summary
  • [Publications] D.Chiba: "Properties of (Ga,Mn)As/(Al,Ga)As/(Ga,Mn)As magnetic trilayer structures"Physica E. 10. 278-282 (2001)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      2002 Final Research Report Summary
  • [Publications] I.Arata: "Temperature dependence of electroluminescence and I-V characteristics of ferromagnetic/non-magnetic semiconductor pn junctions"Physica E. 10. 288-291 (2001)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      2002 Final Research Report Summary
  • [Publications] Y.Ohno: "Electrical spin injection in ferromagnetic/nonmagnetic semiconductor heterostructures"Physica E. 10. 489-492 (2001)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      2002 Final Research Report Summary
  • [Publications] T.Dietl: "Hole-mediated ferromagnetism in tetrahedrally coordinated semiconductors"Physical Review B. 63. 195205 (2001)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      2002 Final Research Report Summary
  • [Publications] G.Salis: "Optical Manipulation of Nuclear Spin by a Two-Dimensional Electron Gas"Physical Review Letters. 86. 2677-2680 (2001)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      2002 Final Research Report Summary
  • [Publications] H.Ohno: "A ferromagnetic III-V semiconductor : (Ga,Mn)As"Solid State Communications. 117. 179-186 (2001)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      2002 Final Research Report Summary
  • [Publications] H.Ofuchi: "Fluorescence extendedx-ray absorption fine structure study on local structures around Mn-atoms in thin (In,Mn) As layer and (In,Mn)As quantum dots"Journal of Applied Physics. 89. 66-70 (2001)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      2002 Final Research Report Summary
  • [Publications] T.Dietl: "Ferromagnetism in III-V and II-VI semiconductor structures"Physica E. 9. 185-193 (2001)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      2002 Final Research Report Summary
  • [Publications] H.Ohno: "Electric-field control of ferromagnetism"Nature. 408. 944-946 (2000)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      2002 Final Research Report Summary
  • [Publications] J.Yang: "Surface morphologies of III-V based magnetic semiconductor (Ga,Mn)As grown by molecular beam epitaxy"Applied Surface Science. 166. 242-246 (2000)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      2002 Final Research Report Summary
  • [Publications] D.Chiba: "Magnetoresistance effect and interlayer coupling of (Ga,Mn)As trilayer structures"Applied Physics Letters. 77. 1873-1875 (2000)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      2002 Final Research Report Summary
  • [Publications] T.Shono: "Observation of magnetic domain structure in a ferromagnetic semiconductor (Ga,Mn)As with a scanning Hall probe microscope"Applied Physics Letters. 77. 1363-1365 (2000)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      2002 Final Research Report Summary
  • [Publications] H.Ohno: "Ferromagnetic III-V heterostructures"J. Vac. Sci. Technol. B. 18. 2039-2043 (2000)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      2002 Final Research Report Summary
  • [Publications] T.Shono: "Magnetic domain structures of (Ga, Mn)As investigated by scanning Hall probe microscopy"Phisica B. 284. 1125-2150 (2000)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      2002 Final Research Report Summary
  • [Publications] Y.Ohno: "MBE growth and electroluminescence of ferromagnetic/non-magnetic semiconductor ; pn junctions based on (Ga, Mn)As"Applied Surface Science. 159-160. 308-312 (2000)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      2002 Final Research Report Summary
  • [Publications] F.Matsukura: "Molecular beam epitaxy of GaSb with high concentration of Mn"Applied Surface Science. 159-160. 265-269 (2000)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      2002 Final Research Report Summary
  • [Publications] H.Ohldag: "Magnetic moment of Mn in the ferromagnetic semiconductor (Ga_<0.98>Mn_<0.02>)As"Applied Physics Letters. 76. 2928-2930 (2000)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      2002 Final Research Report Summary
  • [Publications] F.Matsukura: "III-V Ferromagnetic Semiconductor"Handbook of Magnetic Materials. 42 (2002)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      2002 Final Research Report Summary
  • [Publications] M. Kohda: "Electrical Electron Spin Injection with a p^+-(Ga,Mn)As/n^+-GaAs Tunnel Junction"Journal of Superconductivity. 16, Issue 1. pp.167-170 (2003)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      2002 Final Research Report Summary
  • [Publications] H. Sanada: "Drift Transport of Spin-Polarized Electrons in GaAs"Journal of Superconductivity. 16, Issue 1. pp.217-219 (2003)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      2002 Final Research Report Summary
  • [Publications] D. Chiba: "Electric Field Effect on the Magnetic Properties of III-V Ferromagnetic Semiconductor (In,Mn)As and ((Al),Ga,Mn)As"Journal of Superconductivity. 16, Issue 1. pp.179-182 (2003)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      2002 Final Research Report Summary
  • [Publications] K. Ohtani: "InAs/AlSb quantum cascade lasers operating at 10 μm"Applied Physics Letters. Vol.82, No.7. pp1003-1005 (2003)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      2002 Final Research Report Summary
  • [Publications] K. Ohtani: "Intersubband absorption in n-doped InAs/AISb multiple-quantum-well structures"Applied Physics Letters. Vol.82, No.1. pp37-39 (2003)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      2002 Final Research Report Summary
  • [Publications] K. Ohtani: "An InAs-Based Intersubband Quantum Cascade Laser"Jpn. J. Appl. Phys. Vol.41, No.11B. pp.L1279-L1280 (2002)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      2002 Final Research Report Summary
  • [Publications] H. Ohno: "Ferromagnetic semiconductors foe spin electronics"Journal of Magnetism and Magnetic Materials. vol.242. pp.105-107 (2002)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      2002 Final Research Report Summary
  • [Publications] T. Tsuruoka: "Local electronic structures of GaMnAs observed by cross-sectional scanning tunneling microscopy"Applied Physics Letters. Vol.81, No15. pp.2800-2802 (2002)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      2002 Final Research Report Summary
  • [Publications] H. Sanada: "Relaxation of photoinjected spins during drift transport in GaAs"Applied Physics Letters. Vol.81, No15. pp.2788-2790 (2002)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      2002 Final Research Report Summary
  • [Publications] K. Takamura: "Magnetic properties of (Al,Ga,Mn)As"Applied Physics Letters. Vol.81, No14. pp.2590-2592 (2002)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      2002 Final Research Report Summary
  • [Publications] Y. Ohno: "Valence band barrier at (Ga,Mn)As/GaAs interfaces"Physica E. Vol.13. pp.521-524 (2002)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      2002 Final Research Report Summary
  • [Publications] H. Akinaga: "Semiconductor Spintronics"IEEE Transaction on Nanotechnology. Vol.1, No.1. pp.19-31 (2002)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      2002 Final Research Report Summary
  • [Publications] Y. Li: "Hall Magnetometry on a single iron nanoparticle"Applied Physics Letters. Vol.80, No.24. pp.4644-4646 (2002)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      2002 Final Research Report Summary
  • [Publications] J.H. Zhao: "Growth and properties of (Ga,Mn)As on Si (100) substrate"Journal of Crystal Growth. Vol.237-239. pp.1349-1352 (2002)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      2002 Final Research Report Summary
  • [Publications] D.K. Young: "Anisotropic electrical spin injection in ferromagnetic semiconductor heterostructures"Applied Physics Letters. Vol.80, No.9. pp.1598-1600 (2002)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      2002 Final Research Report Summary
  • [Publications] F. Matsukura: "Control of ferromagnetism in field-effect transistor of a magnetic semiconductor"Physica E. Volime 12, Issues 1-4. pp.351-355 (2002)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      2002 Final Research Report Summary
  • [Publications] H. Ohno: "Semiconductor Spin Electronics, (Invited)"JSAP International. No.5. pp.4-13 (2002)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      2002 Final Research Report Summary
  • [Publications] T. Tsuruoka: "Microscopic identification of dopant atoms in Mn-doped GaAs layers"Solid State Communications. Vol.121. pp.79-82 (2002)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      2002 Final Research Report Summary
  • [Publications] M. Kohda: "A Spin Esaki Diode"Jpn. J. Appl. Phys. Vol.40, Part2, No.12A. pp.L1274-L1276 (2001)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      2002 Final Research Report Summary
  • [Publications] Y. Nagai: "Spin Polarization Dependent Far Infrared Absorption in Ga_<1-x>Mn_xAs"Jpn. J. Appl. Phys. Vol.40, Part 1, No.11. pp.6231-6234 (2001)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      2002 Final Research Report Summary
  • [Publications] G. Salis: "Origin of enhanced dynamic nuclear polarization and all-optical nuclear magnetic resonance in GaAs quantum wells"Physical Review B. Vol.64, No.195304. pp.195304(1)-195304(10) (2001)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      2002 Final Research Report Summary
  • [Publications] J. H. Zhao: "Room-temperature ferromagnetism in zinblende CrSb grown by molecular-beam epitaxy"Applied Physics Letters. Vol.79, No.17. pp.2776-2778 (2001)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      2002 Final Research Report Summary
  • [Publications] H. Ohno: "Spin-dependent phenomena in ferromagnetic/nonmagnetic III-V heterostuctures (Invited)"Solid State Communications. Vol.119, Issues4-5. pp.281-289 (2001)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      2002 Final Research Report Summary
  • [Publications] H. Ohno: "Spin-Dependent Properties of Ferromagnetic/Nonmagnetic GaAs Heterostructures, (Invited)"Material Science and Engineering B. Volume 84, Issues 1-2. pp.70-74 (2001)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      2002 Final Research Report Summary
  • [Publications] K. Takamura: "Growth and properties of (Ga,Mn) As films with high Mn concentration"Journal of Applied Physics. Vol.89, No.11. pp.7024-7026 (2001)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      2002 Final Research Report Summary
  • [Publications] T. Adachi: "Spin relaxation in n-modulation doped GaAs/AlGaAs (110) quantum wells"Physica E. Vol.10, Issues 1-3. pp.36-39 (2001)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      2002 Final Research Report Summary
  • [Publications] T. Fukumura: "Magnetic domain structure of a ferromagnetic semiconductor (Ga,Mn)As observed with scanning probe microscopes"Physica E. Volume 10, Issues 1-3. pp.135-138 (2001)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      2002 Final Research Report Summary
  • [Publications] T. Omiya: "Magnetotransport properties of (Ga,Mn) As grown on GaAs (411) A substrates"Physica E. Vol.10, Issues 1-3. pp.206-209 (2001)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      2002 Final Research Report Summary
  • [Publications] S. Ueda: "Magnetic circular dichroism in Mn 2p core absorption of Ga_<1-x>Mn_xAs"Physica E. Vol.10, Issues 1-3. pp.210-214 (2001)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      2002 Final Research Report Summary
  • [Publications] D. Chiba: "Properties of (Ga,Mn) As/(Al,Ga)As/(Ga,Mn)As magnetic trilayer structures"Physica E. Vol.10, Issues 1-3. pp.278-282 (2001)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      2002 Final Research Report Summary
  • [Publications] I. Arata: "Temperature dependence of electroluminescence and I-V characteristics of ferromagnetic/non-magnetic semiconductor pn junctions"Physica E. Vol.10, Issues 1-3. pp.288-291 (2001)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      2002 Final Research Report Summary
  • [Publications] Y. Ohno: "Electrical spin injection in ferromagnetic/nonmagnetic semiconductor heterostructures"Physica E. Vol.10, Issues 1-3. pp.489-492 (2001)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      2002 Final Research Report Summary
  • [Publications] T. Dietl: "Hole-mediated ferromagnetism in tetrahedrally coordinated semiconductors"Physical Review B. 63. 195-205 (2001)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      2002 Final Research Report Summary
  • [Publications] G. Salis: "Optical Manipulation of Nuclear Spin by a Two-Dimensional Electron Gas"Physical Review Letters. Volume 86, Issue 12. pp.2677-2680 (2001)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      2002 Final Research Report Summary
  • [Publications] H. Ohno: "A ferromagnetic III-V semiconductor: (Ga,Mn)As"Solid State Communications. Vol.117, Issue 3. p.p.179-186 (2001)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      2002 Final Research Report Summary
  • [Publications] H. Ofuchi: "Fluorescence extendedx-ray absorption fine structure study on local structures around Mn-atoms in thin (In,Mn)As layer and (In, Mn)As quantum dots"Journal of Applied Physics. Vol.89, No.1. pp.66-70 (2001)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      2002 Final Research Report Summary
  • [Publications] T. Dietl: "Ferromagnetism in III-V and II-VI semiconductor structures"Physica E. Vol.9, Issue 1. pp.185-193 (2001)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      2002 Final Research Report Summary
  • [Publications] H. Ohno: "Electric-field control of ferromagnetism"Nature. Vol.408, No6815. pp.944-946 (2000)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      2002 Final Research Report Summary
  • [Publications] J. Yang: "Surface morphologies of III-V based magnetic semiconductor (Ga,Mn)As grown by molecular beam epitaxy"Applied Surface Science. Vol.166, Issues 1-4. pp.242-246 (2000)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      2002 Final Research Report Summary
  • [Publications] D. Chiba: "Magnetoresistance effect and interlayer coupling of (Ga,Mn)As trilayer structures"Applied Physics Letters. Vol.77 Issue 12. pp.1873-1875 (2000)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      2002 Final Research Report Summary
  • [Publications] T. Shono: "Observation of magnetic domain structure in a ferromagnetic semiconductor (Ga,Mn)As with a scanning Hall probe microscope"Applied Physics Letters. Vol.77 Issue 9. pp.1363-1365 (2000)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      2002 Final Research Report Summary
  • [Publications] H. Ohno: "Ferromagnetic III-V heterostructures"J. Vac. Sci. Technol. B. Vol.18, No.4. pp.2039-2043 (2000)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      2002 Final Research Report Summary
  • [Publications] T. Shono: "Magnetic domain structures of (Ga,Mn)As investigated by scanning Hall probe microscopy"Phisica B. Vol.284, Part 2. pp.1125-2150 (2000)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      2002 Final Research Report Summary
  • [Publications] Y. Ohno: "MBE growth and electroluminescence of ferromagnetic/non-magnetic semiconductor; pn junctions based on (Ga,Mu)As"Applied Surface Science. Vol.159-160. pp.308-312 (2000)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      2002 Final Research Report Summary
  • [Publications] F. Matsukura: "Molecular beam epitaxy of GaSb with high concentration of Mn"Applied Surface Science. Vol.159-160. pp.265-269 (2000)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      2002 Final Research Report Summary
  • [Publications] H. Ohldag: "Magnetic moment of Mn in the ferromagnetic semiconductor (Ga_<0.98>Mn_<0.02>)As"Applied Physics Letters. Vol.76, Issue 20. pp.2928-2930 (2000)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      2002 Final Research Report Summary
  • [Publications] F. Matsukura: "III-V Ferromagnetic Semiconductor"Handbook of Magnetic Materials. (2002)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      2002 Final Research Report Summary
  • [Publications] M.Kohda: "Electrical electron spin injection with a p^+-(Ga, Mn)As/n^+-GaAs tunnel junction"Journal of Superconductivity. (印刷中). (2003)

    • Related Report
      2002 Annual Research Report
  • [Publications] H.Sanada: "Drift transport of spin polarized electrons in GaAs"Journal of Superconductivity. (印刷中). (2003)

    • Related Report
      2002 Annual Research Report
  • [Publications] K.Ohtani: "InAs/AlSb quantum cascade lasers operating at 10 μm"Applied Physics Letters. 82・7. 1003-1005 (2003)

    • Related Report
      2002 Annual Research Report
  • [Publications] K.Ohtani: "Intersubband absorption in n-doped InAs/AlSb multiple-quantum-well structures"Applied Physics Letters. 82・1. 37-39 (2003)

    • Related Report
      2002 Annual Research Report
  • [Publications] K.Ohtani: "An InAs-Based Intersubband Quantum Cascade Laser"Jpn. J. Appl. Phys. 41・11B. L1279-L1280 (2002)

    • Related Report
      2002 Annual Research Report
  • [Publications] H.Ohno: "Ferromagnetic semiconductors for spin electronics"Journal of Magnetism and Magnetic Materials. 242. 105-107 (2002)

    • Related Report
      2002 Annual Research Report
  • [Publications] T.Tsuruoka: "Local electronic structures of GaMnAs observed by cross-sectional scanning tunneling microscopy"Applied Physics Letters. 81・15. 2800-2802 (2003)

    • Related Report
      2002 Annual Research Report
  • [Publications] H.Sanada: "Relaxation of photoinjected spins during drift transport in GaAs"Applied Physics Letters. 81・15. 2788-2790 (2002)

    • Related Report
      2002 Annual Research Report
  • [Publications] K.Takamura: "Magnetic properties of(Al, Ga, Mn)As"Applied Physics Letters. 81・14. 2590-2592 (2002)

    • Related Report
      2002 Annual Research Report
  • [Publications] Y.Ohno: "Valence band barrier at(Ga, Mn)As/GaAs interfaces"Physica E. 13. 521-524 (2003)

    • Related Report
      2002 Annual Research Report
  • [Publications] H.Akinaga: "Semiconductor Spintronics"IEEE Transactions on Nanotechnology. 1・1. 19-31 (2002)

    • Related Report
      2002 Annual Research Report
  • [Publications] Y.Li: "Hall magnetometry on a single iron nanoparticle"Applied Physics Letters. 80・24. 4644-4646 (2002)

    • Related Report
      2002 Annual Research Report
  • [Publications] J.H.Zhao: "Growth and properties of(Ga, Mn)As on Si(100)substrate"Journal of Crystal Growth. 237-239. 1349-1352 (2002)

    • Related Report
      2002 Annual Research Report
  • [Publications] D.K.Young: "Anisotropic electrical spin injection in ferromagnetic semiconductor heterostructures"Applied Physics Letters. 80・9. 1598-1600 (2002)

    • Related Report
      2002 Annual Research Report
  • [Publications] H.Ohno: "Semiconductor spin electronics"JSAP International. No.5. 4-13 (2002)

    • Related Report
      2001 Annual Research Report
  • [Publications] T.Tsuruoka: "Microscopic identification of dopant atoms in Mn-doped GaAs layer"Solid State Communications. Vol.121. 79-82 (2002)

    • Related Report
      2001 Annual Research Report
  • [Publications] M.Kohda: "A Spin Esaki Diode"Jpn. J. Appl. Phys. Vol.40, No.12. L1-L3 (2001)

    • Related Report
      2001 Annual Research Report
  • [Publications] Y.Nagai: "Spin polarization dependent far-infrared absorption in Ga_<1-x>Mn_XAs"Jpn. J. Appl. Phys. Vol.40, No.11. 6231-6234 (2001)

    • Related Report
      2001 Annual Research Report
  • [Publications] G.Salis: "Origin of enhanced dynamic nuclear polarization and all-optical nuclear magnetic resonance in GaAs quantum wells"Physical Review B. Vol.64. 195304(1)-195304(10) (2001)

    • Related Report
      2001 Annual Research Report
  • [Publications] J.H.Zhao: "Room-temperature ferromagnetism in zincblende CrSb grown by molecular beam epitaxy"Applied Physics Letters. Vol.79, No.22. 2776-2779 (2001)

    • Related Report
      2001 Annual Research Report
  • [Publications] K.Takamura: "Growth and properties of (Ga,Mn)As films with high Mn concentration"Journal of Applied Physics. Vol.89, No.11. 7024-7026 (2001)

    • Related Report
      2001 Annual Research Report
  • [Publications] H.Ohno: "Spin-Dependent Properties of Ferromagnetic/Nonmagnetic GaAs Heterostructures"Material Science and Engineering B. Vol.84. 70-74 (2001)

    • Related Report
      2001 Annual Research Report
  • [Publications] H.Kubota: "Magnetoresistance and Dipole Shift of Ultrasmall Magnetic Tunnel Junctions Characterized by Conducting Atomic Force Microscopy"Japanese Journal of Applied Physics. 41(in press). (2002)

    • Related Report
      2001 Annual Research Report
  • [Publications] Eiji Nakashio: "Longitudinal bias method using a long distance exchange coupling field in TMR junction"Journal of Applied Physics. 89. 7356-7358 (2001)

    • Related Report
      2001 Annual Research Report
  • [Publications] Eiji Nakashio: "Flux guide type tunnel-value head for tape storage applications"IEEE Transaction on Magnetics. (in press).

    • Related Report
      2001 Annual Research Report
  • [Publications] T.Fukumura: "Magnetic domain structure of a ferromagnetic semiconductor (Ga, Mn)As observed with scanning probe microscopes"Physica E. Volume 10, Issues 1-3. 135-138 (2001)

    • Related Report
      2001 Annual Research Report
  • [Publications] T.Omiya: "Magnetotransport properties of (Ga, Mn)As grown on GaAs(411) A substrates"Physica E. Volume 10, Issues 1-3. 206-209 (2001)

    • Related Report
      2001 Annual Research Report
  • [Publications] S.Ueda: "Magnetic circular dichroism in Mn 2p core absorption of Ga_<1-X>Mn_xAs"Physica E. Volume 10, Issues 1-3. 210-214 (2001)

    • Related Report
      2001 Annual Research Report
  • [Publications] D.Chiba: "Properties of (Ga, Mn)As/(Al, Ga)As/(Ga, Mn)As magnetic trilayer structures"Physica E. Volume 10, Issues 1-3. 278-282 (2001)

    • Related Report
      2001 Annual Research Report
  • [Publications] I.Arata: "Temperature dependence of electroluminescence and I-V characteristics of ferromagnetic/non-magnetic semiconductor pn junctions"Physica E. Volume 10, Issues 1-3. 288-291 (2001)

    • Related Report
      2001 Annual Research Report
  • [Publications] Y.Ohno: "Electrical spin injection in ferromagnetic/nonmagnetic semiconductor heterostructures"Physica E. Volume 10, Issues 1-3. 489-492 (2001)

    • Related Report
      2001 Annual Research Report
  • [Publications] T.Adachi: "Spin relaxation in n-modulation doped GaAs/AlGaAs (110) quantum wells"Physica E. Volume 10, Issues 1-3. 36-39 (2001)

    • Related Report
      2001 Annual Research Report
  • [Publications] G.Salis: "Optical Manipulation of Nuclear Spin by a Two-Dimensional Electron Gas"Physical Review Letters. Volume 86, No. 12. 2677-2680 (2001)

    • Related Report
      2001 Annual Research Report
  • [Publications] T.Dietl: "Hole-mediated ferromagnetism in tetrahedrally coordinated semiconductors"Physical Review B. Volume 63. 195205-195215 (2001)

    • Related Report
      2001 Annual Research Report
  • [Publications] H.Ohno: "A ferromagnetic III-V semiconductor : (Ga, Mn)As"Solid State Communications. Vol.117, Issues 3. 179-186 (2001)

    • Related Report
      2001 Annual Research Report
  • [Publications] H.Ofuchi: "Fluorescence extendedx-ray absorption fine structure study on local structures around Mn-atoms in thin (In, Mn)As layer and (In, Mn)As quantum dots"Journal of Applied Physics. Volume 89, Issues 1. 66-70 (2001)

    • Related Report
      2001 Annual Research Report
  • [Publications] T.Dietl: "Ferromagnetism in III-V and II-VI semiconductor structures"Physica E. Volume 9, Issues 1. 185-193 (2001)

    • Related Report
      2001 Annual Research Report
  • [Publications] F.Matsukura: "Handbook of Magnetic Materials"III-V Ferromagnetic Semiconductor. 42 (2002)

    • Related Report
      2001 Annual Research Report
  • [Publications] H.Ohno: "A ferromagnetic III-V semiconductor : (Ga,Mn)As"Solid State Communications. 117・3. 179-186 (2001)

    • Related Report
      2000 Annual Research Report
  • [Publications] H.Ofuchi: "Fluorescence extended-x-ray absorption fine structure study on local structures around Mn-atoms in thin (In,Mn)As layer and (In,Mn)As quantum dots"Journal of Applied Physics. 89・1. 66-70 (2001)

    • Related Report
      2000 Annual Research Report
  • [Publications] H.Ohno: "Spin-Dependent Properties of Ferromagnetic/Nonmagnetic GaAs Heterostructures"Material Science and Engineering B. (印刷中). (2001)

    • Related Report
      2000 Annual Research Report
  • [Publications] H.Ohno: "Electric-field control of ferromagnetism"Nature. 408・6815. 944-946 (2000)

    • Related Report
      2000 Annual Research Report
  • [Publications] T.Dietl: "Ferromagnetism in III-V and II-VI semiconductor structures"Physica E. 9・1. 185-193 (2001)

    • Related Report
      2000 Annual Research Report
  • [Publications] D.Chiba: "Magnetoresistance effect and interlayer coupling of (Ga,Mn)As trilayer structures"Applied Physics Letters. 77・12. 1873-1875 (2000)

    • Related Report
      2000 Annual Research Report
  • [Publications] T.Shono: "Observation of magnetic domain structure in a ferromagnetic semiconductor (Ga,Mn)As with a scanning Hall probe microscope"Applied Physics Letters. 77・9. 1363-1365 (2000)

    • Related Report
      2000 Annual Research Report
  • [Publications] H.Ohno: "Ferromagnetic III-V heterostructures"Journal of Vacuum Science and Technology B. 18・4. 2039-2043 (2000)

    • Related Report
      2000 Annual Research Report
  • [Publications] T.Shono: "Magnetic domain structures of (Ga,Mn)As investigated by scanning Hall probe microscopy"Physica B. 284. 1125 (2000)

    • Related Report
      2000 Annual Research Report
  • [Publications] Y.Ohno: "MBE growth and electroluminescence of ferromagnetic/non-magnetic semiconductor pn junctions based on (Ga,Mn)As"Applied Surface Science. 159-160. 308-312 (2000)

    • Related Report
      2000 Annual Research Report
  • [Publications] F.Matsukura: "Molecular beam epitaxy of GaSb with high concentration of Mn"Applied Surface Science. 159-160. 265-269 (2000)

    • Related Report
      2000 Annual Research Report
  • [Publications] H.Ohldag: "Magnetic moment of Mn in the ferromagnetic semiconductor (Ga_<0.98>Mn_<0.02>)As"Applied Physics Letters. 76・20. 2928-2930 (2000)

    • Related Report
      2000 Annual Research Report
  • [Publications] I.Arata: "Temperature dependence of electroluminescence and I-V characteristics of ferromagnetic/non-magnetic semiconductor pn junctions"Physica E. (印刷中). (2001)

    • Related Report
      2000 Annual Research Report
  • [Publications] T.Adachi: "Spin relaxation in n-modulation doped GaAs/AlGaAs (110) quantum wells"Physica E. (印刷中). (2001)

    • Related Report
      2000 Annual Research Report
  • [Publications] Y.Ohno: "Electrical Spin Injection in Ferromagnetic/Nonmagnetic Semiconductor Heterostructures"Physica E. (印刷中). (2001)

    • Related Report
      2000 Annual Research Report
  • [Publications] D.Chiba: "Properties of (Ga,Mn)As/(Al,Ga)As/(Ga,Mn)As magnetic trilayer structures"Physica E. (印刷中). (2001)

    • Related Report
      2000 Annual Research Report
  • [Publications] T.Omiya: "Magnetotransport properties of (Ga,Mn)As grown on GaAs(411)A substrate"Physica E. (印刷中). (2001)

    • Related Report
      2000 Annual Research Report
  • [Publications] T.Fukumura: "Magnetic domain structure of a ferromagnetic semiconductor (Ga,Mn)As observed with scanning probe microscopes"Physica E. (印刷中). (2001)

    • Related Report
      2000 Annual Research Report
  • [Publications] S.Ueda: "Magnetic circular dichroism in Mn 2p core absorption of Ga_<1-X>Mn_XAs"Physica E. (印刷中). (2001)

    • Related Report
      2000 Annual Research Report

URL: 

Published: 2000-04-01   Modified: 2016-04-21  

Information User Guide FAQ News Terms of Use Attribution of KAKENHI

Powered by NII kakenhi