The Low Temperature Dependence of Magnetization and AC Susceptibility of Fe_<84-x>Nb_7B_<8+x>Cu_1 (x=0, 1, 4) Alloys

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概要

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• We have studied the dc-magnetization properties and the ac-susceptibility at 50 mOe of glassy Fe_<84-x>Nb_7B_<8+x>Cu_1 (x=0, 1, 4) alloys. The temperature dependence of the magnetization follows the predictions of spin wave excitations with long wavelengths. The addition of B modifies the magnetic properties: the spin-wave stiffness constant increases from 56.8 to 65.7 meVÅ^2 and Curie temperature increases from 298 K to 352 K. Thus, the substitution of Fe by B favours the increase of magnetic order in this system.

• 1999-01-20

著者

• Rao K.

  Department Of Pediatric Surgery Post Graduate Institute Of Medical Education And Research

• Lim W‐y

  Department Of Physics Korea University

• YU Seong-Cho

  Department of Physics, Chung-Buk National University

• Rao K.

  Department Of Condensed Matter Physics Royal Institute Of Technology

• Yu Seong-cho

  Department Of Physics Chung-buk National University:department Of Physics University Of Maryland

• Yu Seong-cho

  Department Of Physics Chungbuk National University:department Of Condensed Matter Physics Royal Inst

• Rao K.

  Department Of Biochemistry Indian Institute Of Science

• Kim Kyeong-sup

  Department Of Physics Chungbuk National University

• Kim Kyeong-sup

  Department Of Physics Chungbuk National University:department Of Physics Korea University

• Lim Woo-Young

  Department of Physics, Korea University

• Kim Kyeong-sup

  Department Of Physics Chungbuk Nat'l Univ.

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