Remote Fermi level induced ferromagnetic transition in GdAl2-Ag system

Matlak M; Molak A; Pietruszka M; Slebarski A

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Remote Fermi level induced ferromagnetic transition in GdAl2-Ag system

机译：GdAl2-Ag系统中的费米能级引起的铁磁跃迁

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We utilize an electrical set-up consisting of GdAl2 ferromagnetic sample connected to a silver contact electrode where the a.c. voltage is applied only to the latter one. By measuring the a.c. resistivity of Ag electrode vs temperature in the vicinity of the Curie point we observe Fermi level induced phase transition in the Ag electron gas in the form of a kink. This measurement confirms the results anticipated earlier theoretically and obtained also experimentally for Cr-Cu, Gd-Ag, Cr-Ag, TiNi-Ag and CuZnSn-Ag systems.

机译：我们利用由GdAl2铁磁样品组成的电气装置，该样品连接到银接触电极上，其中a.c.电压仅施加于后者。通过测量交流电在居里点附近，Ag电极的电阻率与温度的关系我们观察到费米能级以扭结的形式在Ag电子气体中诱导了相变。该测量结果证实了理论上预期的结果，以及铬-铜，G-银，铬-银，钛镍-银和铜锌锡-银体系的实验结果。

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《Physica status solidi, B. Basic research》 |2005年第2期|共2页
作者
Matlak M; Molak A; Pietruszka M; Slebarski A;
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正文语种 eng
中图分类固体物理学;
关键词
PHASE-TRANSITIONS; ELECTRONS;

机译：相变;电子;

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1. Remote Fermi level induced ferromagnetic transition in GdAl2-Ag system [J] . Matlak M, Molak A, Pietruszka M, Physica status solidi, B. Basic research . 2005,第2期

机译：GdAl2-Ag系统中的费米能级引起的铁磁跃迁
2. Abrupt Transition from Ferromagnetic to Antiferromagnetic of Interfacial Exchange in Perpendicularly Magnetized L1_0-MnGa/FeCo Tuned by Fermi Level Position [J] . Q. L. Ma, S. Mizukami, T. Kubota, Physical review letters . 2014,第15期

机译：费米能级位置调整的垂直磁化的L1_0-MnGa / FeCo的界面交换从铁磁性突然转变为反铁磁性
3. Quantum metamagnetic transitions induced by changes in Fermi-surface topology: Applications to a weak itinerant-electron ferromagnet ZrZn2 [J] . Yamaji Y, Misawa T, Imada M Journal of the Physical Society of Japan . 2007,第6期

机译：费米表面拓扑变化引起的量子亚磁跃迁：在弱迭代电子铁磁体ZrZn2中的应用
4. Purely electronic mechanism for first-order ferromagnetic transitions: an itinerant electron positive feedback and Fermi surface topological change [C] . Eduardo Mendive Tapia, Durga Paudyal, Leon Petit, IIR Conference on Caloric Cooling;Institut International Du Froid;Center for Environmental Energy Engineering . -1

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Remote Fermi level induced ferromagnetic transition in GdAl2-Ag system

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