magnetoresistance;
magnetic frustration;
disordered magnetic systems;
D O I:
10.1016/S0304-8853(03)00022-2
中图分类号:
T [工业技术];
学科分类号:
08 ;
摘要:
Au80Co20 platelets were produced by solid-state quenching followed by furnace annealing and characterized by X-ray diffraction. Magnetization and magnetoresistance (MR) were measured from 2 to 265 K. Minima of the zero-field electrical resistance R-0(T) were observed at low temperatures (T(m)approximate to20 K) in both as-quenched and annealed samples. These minima disappear upon applying a magnetic field. At low T, a negative MR is associated to strong frustration and a very short magnetic coherence length; at higher temperatures, a positive MR is also observed. (C) 2003 Published by Elsevier Science B.V.
机构:
Cent Iron & Steel Res Inst, Div Funct Mat, Beijing 100081, Peoples R ChinaCent Iron & Steel Res Inst, Div Funct Mat, Beijing 100081, Peoples R China
Zhang Jia-Teng
Xu Ji-Yuan
论文数: 0引用数: 0
h-index: 0
机构:
Cent Iron & Steel Res Inst, Div Funct Mat, Beijing 100081, Peoples R ChinaCent Iron & Steel Res Inst, Div Funct Mat, Beijing 100081, Peoples R China
Xu Ji-Yuan
Jin Jia-Ying
论文数: 0引用数: 0
h-index: 0
机构:
Zhejiang Univ, Sch Mat Sci & Engn, Hangzhou 310027, Peoples R ChinaCent Iron & Steel Res Inst, Div Funct Mat, Beijing 100081, Peoples R China
Jin Jia-Ying
Meng Rui-Yang
论文数: 0引用数: 0
h-index: 0
机构:
Cent Iron & Steel Res Inst, Div Funct Mat, Beijing 100081, Peoples R ChinaCent Iron & Steel Res Inst, Div Funct Mat, Beijing 100081, Peoples R China
Meng Rui-Yang
Dong Sheng-Zhi
论文数: 0引用数: 0
h-index: 0
机构:
Cent Iron & Steel Res Inst, Div Funct Mat, Beijing 100081, Peoples R ChinaCent Iron & Steel Res Inst, Div Funct Mat, Beijing 100081, Peoples R China
机构:
Division of Functional Materials, Central Iron & Steel Research Institute, BeijingDivision of Functional Materials, Central Iron & Steel Research Institute, Beijing
Zhang J.-T.
Xu J.-Y.
论文数: 0引用数: 0
h-index: 0
机构:
Division of Functional Materials, Central Iron & Steel Research Institute, BeijingDivision of Functional Materials, Central Iron & Steel Research Institute, Beijing
Xu J.-Y.
Jin J.-Y.
论文数: 0引用数: 0
h-index: 0
机构:
School of Materials Science and Engineering, Zhejiang University, HangzhouDivision of Functional Materials, Central Iron & Steel Research Institute, Beijing
Jin J.-Y.
Meng R.-Y.
论文数: 0引用数: 0
h-index: 0
机构:
Division of Functional Materials, Central Iron & Steel Research Institute, BeijingDivision of Functional Materials, Central Iron & Steel Research Institute, Beijing
Meng R.-Y.
Dong S.-Z.
论文数: 0引用数: 0
h-index: 0
机构:
Division of Functional Materials, Central Iron & Steel Research Institute, BeijingDivision of Functional Materials, Central Iron & Steel Research Institute, Beijing
机构:
Ural Fed Univ, Mira str 19, Ekaterinburg 620002, Russia
RAS, lnst Met Phys, UB, S Kovalevskaya Str 18, Ekaterinburg 620108, RussiaUral Fed Univ, Mira str 19, Ekaterinburg 620002, Russia
Vas'kovskiy, V. O.
Gorkovenko, A. N.
论文数: 0引用数: 0
h-index: 0
机构:
Ural Fed Univ, Mira str 19, Ekaterinburg 620002, RussiaUral Fed Univ, Mira str 19, Ekaterinburg 620002, Russia
Gorkovenko, A. N.
Kulesh, N. A.
论文数: 0引用数: 0
h-index: 0
机构:
Ural Fed Univ, Mira str 19, Ekaterinburg 620002, RussiaUral Fed Univ, Mira str 19, Ekaterinburg 620002, Russia
Kulesh, N. A.
Lepalovskij, V. N.
论文数: 0引用数: 0
h-index: 0
机构:
Ural Fed Univ, Mira str 19, Ekaterinburg 620002, RussiaUral Fed Univ, Mira str 19, Ekaterinburg 620002, Russia
Lepalovskij, V. N.
Moskalev, M. E.
论文数: 0引用数: 0
h-index: 0
机构:
Ural Fed Univ, Mira str 19, Ekaterinburg 620002, RussiaUral Fed Univ, Mira str 19, Ekaterinburg 620002, Russia