Anomalous Giant Magnetoresistance in Heusler-Type Alloys Fe_<2+x>V<1-x>Ga

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概要

• 論文の詳細を見る

• Electrical resistance, magnetoresistance and tnagnetization were measured for Heus[er-typealloys, Fex?.Vt ..Ga. An anonaalotts giant rnagnetoresistance (GMR) near 50% was observed forFezVGa which was a weak and inhornogeneovxs ferromagnet. For alloys with x >O, wlaich showclear ferromagnetism, the electrical resistance showed an anoznaly below the Curie temperature.For alloys with x< O, the teznperattnre dependence of' the resistance indicated behavior like thatof a semiconductor. The energy gap was tentatively estimated to be O.O3eV for x = -0.10. Theorigin of the present GIVIR is discussed in terrns of the metal-insulator transition arising fromordering of the magnetic moment.

• 社団法人日本物理学会の論文
• 1997-05-15

著者

• GOTO Tsuneaki

  The Institute for Solid State Physics, University of Tokyo

• ENDO Keizo

  Department of Physics, Faculty of Science, Tokyo Metropolitan University

• Goto T

  Univ. Tokyo Chiba

• Goto Tsuneaki

  The Institute For Solid State Physics The University Of Tokyo

• Goto Tsuneaki

  Institute For Solid State Physics University

• MATSUDA Hiroko

  Department of Physics, Tokyo Medical University

• ENDO Keizo

  Kanagawa Institute of Technology

• OOIWA Kiyoshi

  Department of Physics, Tokyo Medical University

• IIJIMA Masanori

  Department of Physics, Tokyo Medical University

• ITO kazuo

  Laboratory of Physics,College of Science and Technology,Nihon University

• ONO Akio

  Musashi Institute of Technology

• Endo K

  Kanagawa Institute Of Technology

• Endo Keizo

  Department Of Physics Faculty Of Science Tohoku Metropolitan University

• Matsuda H

  Department Of Physics Tokyo Medical University

• Ono A

  Musashi Institute Of Technology

• Iijima M

  Department Of Physics Tokyo Medical University

• Iijima Masanori

  Department Of Physics Faculty Of Science Tokyo Metropolitan University

• Ooiwa K

  Department Of Physics Tokyo Medical University

• Ooiwa Kiyoshi

  Department Of Physics Faculty Of Science Tokyo Metropolitan University

• Goto Tsuneaki

  The Institute Of Solid State Physics Tokyo University

• Matsuda Hiroko

  Department Of Applied Chemistry Graduate School Of Engineering Tokyo University Of Agriculture And T

• Ito Kazuo

  Laboratory Of Forest Pathology Of The Government Forest Experiment Station

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