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

1993 Fiscal Year Final Research Report Summary

Joint Study on Metallic Artificial Superlattice

Research Project

Project/Area Number 03044071
Research Category

Grant-in-Aid for international Scientific Research

Allocation TypeSingle-year Grants
SectionJoint Research
Research InstitutionNagoya University

Principal Investigator

UCHIYAMA Susumu  Nagoya University, professor, 工学部, 教授 (40023022)

Co-Investigator(Kenkyū-buntansha) GERBER R.G.  Salford University, 純粋応用物理学部, 教授
GRUNDY P.J.  Salford University, 純粋応用物理学部, 教授
SUZUKI Yoshishige  National Institute for Advanced Interdiscip Research, 電子技術総合研究所, 研究員
IWATA Satoshi  Nagoya University, 工学部, 助教授 (60151742)
TSUNASHIMA Shigeru  Nagoya University, 工学部, 教授 (80023323)
MATSUI Masaaki  Nagoya University, 工学部, 教授 (90013531)
SHINJYO Teruya  Kyoto University, 化学研究所, 教授 (70027043)
FUJIMORI Hiroyasu  Tohoku University, 金属材料研究所, 教授 (60005866)
Project Period (FY) 1991 – 1993
KeywordsMagneto-optics / Super Lattice / Magnetic Anisotropy / Multilayer / Magneto-striction / Exchange-coupling / Giant Magnetoresistance
Research Abstract

Pd/Co-, Pd/PdCo- and Pd/Ni-multilayers (MLs) with (111) and (100) orientations have been prepared by the RF sputtering method. It was found that the perpendicular magnetic anisotropy of these MLs strongly depends on the crystal orientation. In both Pd/Co- and Pd/PdCo-(100)MLs, perpendicular magnetic anisotropy is induced only when magnetic layers are very thin. In Pd/Ni-MLs, perpendicular magnetic anisotropy is larger in (100)MLs than in (111)MLs. The mechanism of the anisotropy is discussed from the viewpoint of magnetoelastic surface anisotropy.
Magnetostriction constants lambda_<111> and lambda_<100> were estimated for (111) oriented polycrystalline PdCo and PtCo alloy films and multilayer films (MLs) from the induced anisotropy. It was found that the magnetostriction constants of Pd/Co and Pt/Co MLs are not determined by the magnetostriction constants of fcc Co, but are strongly affected by those of PdCo and PtCo alloys. This result implies the effect of electron hybridization and/or alloy formation at the interface.
Magnetic and magnetooptic properties have been investigated for NdGd/Fe and NdGd/FeCo multilayers prepared by rfsputtering method. At a bilayer period of 10 to 15 A, perpendicular magnetic anisotropy showed the maximum value of about 2.5X10^6 erg/cm_3. Magnetooptic Kerr rotation of the multilayers reach 0.33゚ at 400 nm, reflecting the contribution of Nd.
The giant magnetoresistance effect of Fe_<16>Ni_<66>Co_<18>/Cu multilayers prepared by the RF magnetron sputtering method is reported. A magnetoresistance ratio as large as 35% is obtained at 300 K, and it oscillates as a function of Cu layer thickness. The oscillation period is about 1 nm, which is similar to the case of Co/Cu multilayers. The maximum interlayer coupling strength for the first peak is about 0.05 erg/cm^2. For the second peak the coupling is as weak as 0.003 erg/cm^2 with a magnetoresistance ratio of 13%.

  • Research Products

    (54 results)

All Other

All Publications (54 results)

  • [Publications] S.Uchiyama: "Evolution of Magneto-Optical Recording Materials" J.Magn.Soc.Jpn.17-S1. 1-6 (1993)

    • Description
      「研究成果報告書概要(和文)」より
  • [Publications] H.Takahashi: "Perpendicular Magnetic Anisotropy of Pd/Co and Pd/Ni Multilayers" J.Magn.& Magn.Mat.107-107. 1831-1832 (1992)

    • Description
      「研究成果報告書概要(和文)」より
  • [Publications] S.Tsunashima: "Perpendicular Magnetic Anisotropy of Pd/Co and Related Multilayers" Mat.Res.Soc.231. 441-452 (1992)

    • Description
      「研究成果報告書概要(和文)」より
  • [Publications] S.Sumi: "Magnetic Properties of Pt/Co Multilayered Films Sputtered on Zinc Oxide Underlayers" Proc.6th,Int.Conf.Ferrites. ICF-6. 920-923 (1992)

    • Description
      「研究成果報告書概要(和文)」より
  • [Publications] S.Sumi: "Microstructures of Pt/Co Films Deposited on Sputter-Etched Underlayers" Jpn.J.Appl.Phys.31. 3328-3331 (1992)

    • Description
      「研究成果報告書概要(和文)」より
  • [Publications] S.Sumi: "Reliability of Pt/Co Magneto-Optical Disk with a Sinple Structure" J.Magn.Soc.Jpn.17-S1. 151-154 (1993)

    • Description
      「研究成果報告書概要(和文)」より
  • [Publications] H.Takahashi: "Measurement of Magnetostriction Constants in (111)-Oriented Polycrystalline PdCo Alloy and Multilayered Films" Jpn.J.Appl.Phys.32. L1328-L1331 (1993)

    • Description
      「研究成果報告書概要(和文)」より
  • [Publications] H.Takahashi: "Measurement of Magnetostriction Constants in Polycrystalline Alloy and Multilayer Films of PdCo and PtCo" J.Magn.& Magn.Mat.126. 282-284 (1993)

    • Description
      「研究成果報告書概要(和文)」より
  • [Publications] S.Sumi: "Roughness and Magnetic Properties of Pt/Co Multilayered Films" Mat.Res.Soc,Mat.REs.Soc.Proc.313. 525-530 (1993)

    • Description
      「研究成果報告書概要(和文)」より
  • [Publications] S.Sumi: "Structure and recording properties of Pt/Co magneto-optical disks with various underlayers" J.Magn.& Magn.Mat. 126. 590-592 (1993)

    • Description
      「研究成果報告書概要(和文)」より
  • [Publications] S.Sumi: "Reliability of Pt/Co Magneto-Optical Disk with A Simple Structure" J.Magn.Soc.Jpn. 17-S1. 151-154 (1993)

    • Description
      「研究成果報告書概要(和文)」より
  • [Publications] S.Sumi: "Thermal stability of Pt/Co multilayerd films" J.Appl.Phys.73. 6835-6837 (1993)

    • Description
      「研究成果報告書概要(和文)」より
  • [Publications] A.Yamaguchi: "Magneto-Optical Karr Spectra of Ultrathin Co Films" Jpn.J.Appl.Phys.31. L1599-L1602 (1992)

    • Description
      「研究成果報告書概要(和文)」より
  • [Publications] A.Yamaguchi: "Magneto-Optical Effect of Ultrathin Co Films" J.Magn.& Magn.Mat.121. 542-544 (1993)

    • Description
      「研究成果報告書概要(和文)」より
  • [Publications] S.Tsunashima: "Magnetic and Magnetooptic Properties of NdGd/FeCo Multilayers" J.Magn.& Magn.Mat.104-107. 1021-1022 (1992)

    • Description
      「研究成果報告書概要(和文)」より
  • [Publications] X.Y.Yu: "GdNd/FeCo多層膜の磁気および磁気光学特性" 日本応用磁気学会誌. 16. 547-550 (1992)

    • Description
      「研究成果報告書概要(和文)」より
  • [Publications] X.Y.Yu: "Magnetic and Magneto-Optic Properties of(Nd,Pr)Gd/FeCo Multilayers" SPIE Proc.ISOS'92. 2053. 2-8 (1992)

    • Description
      「研究成果報告書概要(和文)」より
  • [Publications] X.Y.Yu: "Magneto-Optic Kerr Spectra of Gd/Fe Based Multilayers" J.Magn.Soc.Jpn.17-S1. 226-228 (1993)

    • Description
      「研究成果報告書概要(和文)」より
  • [Publications] M.Jimbo: "Giant Magnetoresistance in Soft Magnetic NiFeCo/Cu Multilayers with Various Buffer Layers" J.Magn.& Magn.Mat.126. 422-424 (1993)

    • Description
      「研究成果報告書概要(和文)」より
  • [Publications] S.Tsunashima: "Giant Magnetoresistance and Soft Magnetic Properties of NiFeCo/Cu Multilayers" Mat.Res.Soc.Proc.313. 271-282 (1993)

    • Description
      「研究成果報告書概要(和文)」より
  • [Publications] M.Jinbo: "Soft magnetic and structual properties of FeCo/Zr multilayers" J.Magn.& Magn.Mat.126. 337-339 (1993)

    • Description
      「研究成果報告書概要(和文)」より
  • [Publications] X.Y.Yu: "Magneto-Optic Kerr Rotation of Rare Earth Iron Based Alloys" Mat.Res.Soc.Symp.Proc.(1993)

    • Description
      「研究成果報告書概要(和文)」より
  • [Publications] X.Y.Yu: "Thermal Stability of NdGd/FeCo Multilayers" J.Appl.Phys.73. 6835-6837 (1993)

    • Description
      「研究成果報告書概要(和文)」より
  • [Publications] M.Jinbo: "Giant Magnetoresistance in FeNiCo/Cu Multilayers" Jpn.J.Appl.Phys.31. 1348-1350 (1992)

    • Description
      「研究成果報告書概要(和文)」より
  • [Publications] 神田達哉: "NiFeCo/Cu人工格子膜の巨大磁気抵抗効果" 日本応用磁気学会. 17. 359-364 (1993)

    • Description
      「研究成果報告書概要(和文)」より
  • [Publications] S.Tunashima: "Giant Magnetoresistance and Structure of FeNiCo/Cu Multilayers" J.Magn.&Magn.Mat.121. 429-431 (1993)

    • Description
      「研究成果報告書概要(和文)」より
  • [Publications] M.Jimbo: "Giant Magnetoresistance in Soft Magnetic NiFeCo/Cu Multilayers" J.Appl.Phys.74. 3341-3344 (1993)

    • Description
      「研究成果報告書概要(和文)」より
  • [Publications] S.Uchiyama: "Evolution of Magneto-Optical Recording Materials" J.Magn.Soc.Jpn. 17-S1. 1-6 (1993)

    • Description
      「研究成果報告書概要(欧文)」より
  • [Publications] H.Takahashi, S.Fukatsu, S.Tsunashima, S.Uchiyama: "Perpendicular Magnetic Anisotropy of Pd/Co and Pd/Ni Multilayers" J.Magn. & Magn.Mat.107-107. 1831-1832 (1992)

    • Description
      「研究成果報告書概要(欧文)」より
  • [Publications] S.Tsunashima, K.Nakamura, H.Takahashi, S.Fukatsu, S.Uchiyama: "Perpendicular Magnetic Anisotropy of Pd/Co and Related Multilayers" Mat.Res.Soc.231. 441-452 (1992)

    • Description
      「研究成果報告書概要(欧文)」より
  • [Publications] S.Sumi, Y.Kusumoto, Y.Teragaki, K.Torazawa, S.Tsunashima, S.Uchiyama: "Magnetic Properties of Pt/Co Multilayered Films Sputtered on Zinc Oxide Underlayers" Proc.6th,Int.Conf.Ferrites. ICF-6. 920-923 (1992)

    • Description
      「研究成果報告書概要(欧文)」より
  • [Publications] S.Sumi, K.Tanase, Y.Teragaki, K.Torazawa, S.Tsunashima, S.Uchiyama: "Microstructures of Pt/Co Films Deposited on Sputter-Etched Underlayers" Jpn.J.Appl.Phys.31. 3328-3331 (1992)

    • Description
      「研究成果報告書概要(欧文)」より
  • [Publications] S.Sumi, Y.Teragaki, Y.Kusumoto, K.Torazawa, S.Tsunashima, S.Uchiyama: "Reliability of Pt/Co Magneto-Optical Disk with a Simple Structure" J.Magn.Soc.Jpn.17-S1. 151-154 (1993)

    • Description
      「研究成果報告書概要(欧文)」より
  • [Publications] H.Takahashi, S.Tsunashima, S.Iwata, S.Uchiyama: "Measurement of Magnetostriction Constants in (111)-Oriented Polycrystalline PdCo Alloy and Multilayered Films" Jpn.J.Appl.Phys.32. L1328-L1331 (1993)

    • Description
      「研究成果報告書概要(欧文)」より
  • [Publications] H.Takahashi, S.Tsunashima, S.Iwata, S.Uchiyama: "Measurement of Magnetostriction Constants in Polycrystalline Alloy and Multilayer Films of PdCo and PtCo" J.Magn. & Magn.Mat .126. 282-284 (1993)

    • Description
      「研究成果報告書概要(欧文)」より
  • [Publications] S.Sumi, Y.Kusumoto, Y.teragaki, K.Torazawa, S.Tsunashima, S.Uchiyama: "Roughness and Magnetic Properties of Pt/Co Multilayered Films" Mat.Res.Soc,Mat.Res.Soc.Proc.313. 525-530 (1993)

    • Description
      「研究成果報告書概要(欧文)」より
  • [Publications] S.Sumi, Y.Teragaki, Y.Kusumoto, K.Torazawa, S.Tsunashima, S.Uchiyama: "Structure and recording propeties of Pt/Co magneto-optical disks with various underlayers" J.Magn. & Magn.Mat. 126. 590-592 (1993)

    • Description
      「研究成果報告書概要(欧文)」より
  • [Publications] S.Sumi, Y.Teragaki, Y.Kusumoto, K.Torazawa, S.Tsunashima, S.Uchiyama: "Reliability of Pt/Co Magneto-Optical Disk with A Simple Structure" J.Magn.Soc.Jpn. 17-S1. 151-154 (1993)

    • Description
      「研究成果報告書概要(欧文)」より
  • [Publications] S.Sumi, Y.Kusumoto, Y.Teragaki, K.Torazawa, S.Tsunashima, S.Uchiyama: "Thermal stability of Pt/Co multilayered films" J.Appl.Phys.73. 6835-6837 (1993)

    • Description
      「研究成果報告書概要(欧文)」より
  • [Publications] A.Yamaguchi, S.Iwata, S.Tsunashima, S.Uchiyama: "Magneto-Optical Karr Spectra of Ultrathin Co Films" Jpn.J.Appl.Phys.31. L1599-L1602 (1992)

    • Description
      「研究成果報告書概要(欧文)」より
  • [Publications] A.Yamaguchi, S.Iwata, S.Tsunashima, S.Uchiyama: "Magneto-Optical Effect of Ultrathin Co Films" J.Magn. & Magn.Mat.121. 542-544 (1993)

    • Description
      「研究成果報告書概要(欧文)」より
  • [Publications] S.Tsunashima, T.Otani, X.Y.Yu, S.Uchiyama: "Magnetic and Magnetooptic Properties of NdGd/FeCo Multilayers" J.Magn. & Magn.Mat.104-107. 1021-1022 (1992)

    • Description
      「研究成果報告書概要(欧文)」より
  • [Publications] X.Y.Yu, S.Tsunashima, S.Uchiyama: "Magnetic and Magneto-optic Properties of NdGd/FeCo Multilayeres" J.Magn.Soc.Jpn.16. 547-550 (1992)

    • Description
      「研究成果報告書概要(欧文)」より
  • [Publications] X.Y.Yu, H.Watabe, S.Iwata, S.Tsunashima, S.Uchiyama: "Magnetic and Magneto-Optic Properties of (Nd, Pr)Gd/FeCo Multilayers" SPIE Proc.ISOS'92. 2053. 2-8 (1992)

    • Description
      「研究成果報告書概要(欧文)」より
  • [Publications] X.Y.Yu, Watabe, S.Iwata, S.Tsunashima, S.Uchiyama: "Magneto-Optic Kerr Spectra of Gd/Fe Based Multilayers" J.Magn.Soc.Jpn.17-S1. 226-228 (1993)

    • Description
      「研究成果報告書概要(欧文)」より
  • [Publications] X.Y.Yu, Watabe, S.Iwata, S.Tsunashima, S.Uchiyama, R.Gerber: "Magneto-Optic Kerr Rotation of Rare Earth Iron Based Alloys" Mat.Res.Soc.Symp.Proc.(1993)

    • Description
      「研究成果報告書概要(欧文)」より
  • [Publications] X.Y.Yu, Watabe, S.Iwata, S.Tsunashima, S.Uchiyama: "Thermal Stability of NdGd/FeCo Multilayers" J.Appl.Phys.73. 6835-6837 (1993)

    • Description
      「研究成果報告書概要(欧文)」より
  • [Publications] M.Jinbo, T.Kanda, S.Goto, S.Tsunashima, S.Uchiyama: "Giant Magnetoresistance in FeNiCo/Cu Multilayers" Jpn.J.Appl.Phys.31. 1348-1350 (1992)

    • Description
      「研究成果報告書概要(欧文)」より
  • [Publications] T.Kanda, M.Jinbo, S.Tsunashima, S.Goto, M.Kumazawa, S.Uchiyama: "Giant Magnetoresistance in FeNiCo/Cu Multilayers" J.Magn.Soc.Jpn.17. 359-364 (1993)

    • Description
      「研究成果報告書概要(欧文)」より
  • [Publications] S.Tunashima, M.Jimbo, T.Kanda, S.Goto, S.Uchiyama: "Giant Magnetoresistance and Structure of FeNiCo/Cu Multilayers" J.Magn. & Magn.Mat.121. 429-431 (1993)

    • Description
      「研究成果報告書概要(欧文)」より
  • [Publications] M.Jimbo, S.Tsunashima, T.Kanda, S.Goto, S.Uchiyama: "Giant Magnetoresistance in Soft Magnetic NiFeCo/Cu Multilayers" J.Appl.Phys.74. 3341-3344 (1993)

    • Description
      「研究成果報告書概要(欧文)」より
  • [Publications] M.Jimbo, T.Kanda, S.Goto, S.Tsunashima, S.Uchiyama: "Giant Magnetoresistance in Soft Magnetic NiFeCo/Cu Multilayers with Various Buffer Layers" J.Magn. & Magn.Mat.126. 422-424 (1993)

    • Description
      「研究成果報告書概要(欧文)」より
  • [Publications] S.Tsunashima, M.Jimbo, T.Kanda, S.Goto, S.Uchiyama: "Giant Magnetoresistance in Soft Magnetic Properties of NiFeCo/Cu Multilayers" Mat.Res.Soc.Proc.313. 271-282 (1993)

    • Description
      「研究成果報告書概要(欧文)」より
  • [Publications] M.Jinbo, T.Nakamathi, S.Tsunashima, S.Uchiyama: "Soft magnetic and stuctual properties of FeCo/Zr multilayers" J.Magn. & Magn.Mat.126. 337-339 (1993)

    • Description
      「研究成果報告書概要(欧文)」より

URL: 

Published: 1995-02-07  

Information User Guide FAQ News Terms of Use Attribution of KAKENHI

Powered by NII kakenhi