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2000 Fiscal Year Final Research Report Summary

超微細構造半導体上磁性ドットの量子干渉複合界面効果の研究

Research Project

Project/Area Number 10440106
Research Category

Grant-in-Aid for Scientific Research (B).

Allocation TypeSingle-year Grants
Section一般
Research Field 固体物性Ⅱ(磁性・金属・低温)
Research InstitutionJapan Advanced Institute of Science and Technology

Principal Investigator

HORI Hidenobu  School of Materials Science, Japan Advanced Institute of Science and Technology Professor, 材料科学研究科, 教授 (20028244)

Co-Investigator(Kenkyū-buntansha) KINDO Koichi  School of Materials Science, Japan Advanced Institute of Science and Technology, 極限科学研究センター, 助教授 (20205058)
SAKURAI Toru  Center for New Materials, Japan Advanced Institute of Science and Technology Associate Professor, 材料科学研究科, 助教授 (10183047)
YAMADA Syoji  School of Materials Science, Japan Advanced Institute of Science and Technology Associate professor, 材料科学研究科, 助教授 (00262593)
Project Period (FY) 1998 – 2000
Keywordsnanoparticles / composite materials / semiconductor / ferromagnetic metal / GaAs / Ni / Au / Pt
Research Abstract

One of the important result obtained in this project is the observation of special ferromagnetic magnetization observed in nano-size particles of Au, Pd and which are non-magnetic in their bulk state. The magnetization at the surface (surface mode) in Pd/Ni was estimated and characteristics of the surface could be also obtained. The large potential change at the surface induces large spin-orbit interaction which makes g-shift of ESR.The g-shit makes the satellite structure near the main line of the ESR signal. The interface between Ni and Pd shows giant magnetic moment effect. By using the effect, we can recognize the characteristics of the surface mode ESR.According to the result, role of the surface is not so large and it means existence of some intrinsic origin of the spin polarization related with nano-particle structure. Interface effect on Ni stripes on the GaAs was also observed by ESR measurement. The preliminary experiment of the magnetic Coulomb blockade structure was also attempted. The magnetic coupling among the Ni spins through GaAs substrates are confirmed.

  • Research Products

    (27 results)

All Other

All Publications (27 results)

  • [Publications] H.Hori et al.: "Pulsed high magnetic field ESR measurements on Ni/Pd nano-particles"Physica B. 294-295. 292-297 (2001)

    • Description
      「研究成果報告書概要(和文)」より
  • [Publications] A.Matsuo et al.: "High field magnetoresistance and ESR measurements on Ni-stripes on GaAs substrate"Physica B. 294-295. 298-301 (2001)

    • Description
      「研究成果報告書概要(和文)」より
  • [Publications] H.Hori et al.: "Temperature effects in magnetoresistance of Ni-stripes on GaAs"Physica B. 284-288. 1587-1588 (2000)

    • Description
      「研究成果報告書概要(和文)」より
  • [Publications] Y.Nakae et al.: "Anomalous spin polarization in Pd and Au nano-particles"Physica B. 284-288. 1758-1759 (2000)

    • Description
      「研究成果報告書概要(和文)」より
  • [Publications] H.Hori et al.: "Anomalous magnetic polarization effect of Pd and Au nano-particles"Phys.Lett.A. 263. 406-410 (1999)

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      「研究成果報告書概要(和文)」より
  • [Publications] N.Nunomura et al.: "Magnetic properties of nanoparticles in Pd/Ni alloys"Phys.Lett.A. 249. 524-530 (1998)

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      「研究成果報告書概要(和文)」より
  • [Publications] Y.Seino, S.A.Haque, A.Matsuo, Y.Yamamoto, S.Yamada, H.Hori: "ESR and magnetic measurement of Ni/GaAs composite system"Proc.of 25^<th> ICPS (Osaka, 2000). (in press).

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  • [Publications] H.Hori, T.Teranishi, M.Taki, S.Yamada, M.Miyake and Y.Yamamoto: "Magnetic properties of nano-particles of Au, Pd and Pd/Ni-alloys"J.Magn.Magn.Mater.. (in press). (2001)

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      「研究成果報告書概要(欧文)」より
  • [Publications] S.A.Haque, A.Matsuo, Y.Seino, Y.Yamamoto, S.Yamada and H.Hori: "Temperature dependent low field magnetization of Ni film on n-GaAs (100) and Si (100)"J.Magn.Magn.Mater.. (in press). (2001)

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      「研究成果報告書概要(欧文)」より
  • [Publications] A.Matsuo, M.Taki, S.A.Haque, Y.Yamamoto, T.Kikutani, S.Yamada, H.Nojiri, M.Motokawa, H.Hori: "High field magnetoresistance and ESR measurements on Ni-stripes on GaAs substrate"Physica B. 294-295. 298-301 (2001)

    • Description
      「研究成果報告書概要(欧文)」より
  • [Publications] H.Hori, T.Teranishi, T.Sasaki, M.Miyake, Y.Yamamoto, S.Yamada, H.Nojiri, M.Motokawa: "Pulsed high magnetic field ESR measurements on Ni/Pd nano-particles"Physica B. 294-295. 292-297 (2001)

    • Description
      「研究成果報告書概要(欧文)」より
  • [Publications] H.Hori, Y.Seino, A.Matsuo, M.Taki, S.Yamada: "Temperature effects in magnetoresistance of Ni-stripes on GaAs"Physica B. 284-288. 1235-1236 (2000)

    • Description
      「研究成果報告書概要(欧文)」より
  • [Publications] Y.Nakae, Y.Seino, T.Teranishi, M.Miyake, S.Yamada, H.Hori: "Anomalous spin polarization in Pd and Au nano-particles"Physica B. 284-288. 1758-1759 (2000)

    • Description
      「研究成果報告書概要(欧文)」より
  • [Publications] T.Asano, Y.Inagaki, Y.Ajiro, H.Matsubara, K.Mukai, N.Matsumoto, H.Mitamura, T.Goto, Y.Narumi, K.Kindo and H.Hori: "High-field magnetization process in free radical and metal-assembled molecular magnets"Mol.Cryst.Liq.Cryst.. 343. 427-32 (2000)

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      「研究成果報告書概要(欧文)」より
  • [Publications] H.Hori, T.Teranishi, Y.Nakae, Y.Seino, M.Miyake, S.Yamada: "Anomalous magnetic polarization effect of Pd and Au nano-particles"Phys.Letters A. 263. 406-410 (1999)

    • Description
      「研究成果報告書概要(欧文)」より
  • [Publications] H.Hori, Y.Nakae, Y.Seino and M.Motokawa: "Conventional Analysis Method on the Magnetoresistance in Magnetic Ordered 4f-Metals"Physics of Strongly Correlated Electron Systems JJAP Series. 11. 30-32 (1999)

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  • [Publications] S.Yamada, J.Okayasu, S.Gozu, C.U.Hong, H.Bori: "Dependencies of low-temperature electronic properties of MBE-grown GaAs/AlGaAs single heterojunctions upon arsenic species"J.Cryst.Growth. 201-202. 800-804 (1999)

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      「研究成果報告書概要(欧文)」より
  • [Publications] N.Aoki, Y.Ochiai, C.Hong, T.Kikutani, H.Hori, S.Yamada: "Cross-sectional transmission electron microscope observation of small structures made by field-induced scanning tunneling microscope fabrication"Jpn.J.Appl.Phys.. 38. 3863-3865 (1999)

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      「研究成果報告書概要(欧文)」より
  • [Publications] M.Inada, T.Kikutani, H.Hori, S.Yamada: "Fabrication of GaAs-Ge-GaAs lateral narrow junctions and low-temperature hole transport"Solid-State Electron. 42. 1539-1542 (1999)

    • Description
      「研究成果報告書概要(欧文)」より
  • [Publications] M.Inada, H.Hori, S.Yamada: "Ge selective growth on (001) GaAs substrates by molecular beam epitaxy"Jpn.J.Appl.Phys.. 2, Lett.38. L398-400 (1999)

    • Description
      「研究成果報告書概要(欧文)」より
  • [Publications] N.Nunomura, H.Hori, T.Teranishi, M.Miyake and S.Yamada: "Magnetic Properties of Nano-particles in Pd/Ni Alloys"Phys.Letters. A249. 524-530 (1998)

    • Description
      「研究成果報告書概要(欧文)」より
  • [Publications] M.Tona, Y.Seino, M.Taki, T.Sasaki, S.Gozu, M.Furusawa, S.Yamada and H.Hori: "Coherence Effect on Ni/GaAs-Composite Quantum Wire"Proc.of the 24th ICPS, ed. by D.Geroshonil (1998) Th P154. (CD-ROM.).

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  • [Publications] S.Yamada, T.Kikutani, N.Aoki, H.Hori, G.Tatara: "Magnetic domain dependent quantum transport through a ferromagnetic dot embedded in a semicondtuctor quantum wire"Phys.Rev.Lett.. 81. 5422-5425 (1998)

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  • [Publications] M.Furusawa, Y.Seino, T.Mitani and H.Hori: "Magnetoresitance and Magnetization of EuTe/Nu Composite Thin Film"J.Magn.Magn.Mater.. 177-181. 1317-1318 (1998)

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  • [Publications] N.Nunomura, T.Teranishi, M.Miyake, A.Oki, S.Yamada, T.Toshima and H.Hori: "Magnetization of Nano-fine Particles of PdNi Alloys"J.Magn.Magn.Mater.. 177-181. 947-948 (1998)

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  • [Publications] T.Sakurai, Y.Seino, T.Mitani, M.Furusawa and H.Hori: "Laser Ablation and Time of Flight Mass Spectrometers for the Analysis of Cluster Ion"Advances in Mass Spectrometry. 14. B01-3650 (1998)

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  • [Publications] H.Hori and K.Kindo: "Phase Transition Related with 'Spin Density Lattice' in TbNiSn"NATO-ARW Conf.'Symmetry and Pairing in Superconductors' ed. by M.Ausloos and S.Kruchinin Kluwer Academic Publishers. 383-391 (1999)

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Published: 2002-03-26  

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