Magnetic Response of Conduction Electrons in Nonmagnetic YB6, LaB6, and YbB6 Hexaborides with Electronic and Structural Instabilities

N. E. Sluchanko; Случанко Н. Е.; A. V. Kuznetsov; Кузнецов А. В.; A. N. Azarevich; Азаревич А. Н.; A. V. Bogach; Богач А. В.; N. Yu. Shitsevalova; Шицевалова Н. Ю.; S. E. Polovets; Половец С. Е.; V. B. Filipov; Филипов В. Б.; A. Yu. Tsvetkov; Цветков А. Ю.; S. Yu. Gavrilkin; Гаврилкин С. Ю.

doi:10.31857/S0044451023090092

Magnetic Response of Conduction Electrons in Nonmagnetic YB6, LaB6, and YbB6 Hexaborides with Electronic and Structural Instabilities

作者: Sluchanko N.E.¹, Kuznetsov A.V.², Azarevich A.N.¹, Bogach A.V.¹, Shitsevalova N.Y.³, Polovets S.E.³, Filipov V.B.³, Tsvetkov A.Y.⁴, Gavrilkin S.Y.⁴
隶属关系:
1. Prokhorov General Physics Institute, Russian Academy of Sciences
2. National Research Nuclear University (MEPhI)
3. Frantsevich Institute for Materials Science Problems, National Academy of Sciences of Ukraine
4. Lebedev Physical Institute, Russian Academy of Sciences
期: 卷 164, 编号 3 (2023)
页面: 406-412
栏目: Articles
URL: https://cijournal.ru/0044-4510/article/view/653655
DOI: https://doi.org/10.31857/S0044451023090092
EDN: https://elibrary.ru/KCWOAN
ID: 653655

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A detailed investigation of contributions to the magnetization of nonmagnetic YB₆, LaB₆, and YbB₆ hexaboride single crystals has been performed, and a procedure for their separation has been proposed. It has been shown that a low value of electronic susceptibility χ_e(T) in YB₆ and LaB₆ hexaborides seems to be associated with a small effective mass of band carriers, m* ~ 0.5m₀. As a result of this, the Pauli component and Landau diamagnetism cancel each other. It has been found that χ_e(T) varies in the intervals T < T* (T* ~ 50 K) and T > 150 K, which are attributed to an order–disorder transition below T* and a carriers-related contribution due to the Jahn–Teller structural instability of the boron frame work.

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卷 167, 编号 5 (2025)

Magnetic Response of Conduction Electrons in Nonmagnetic YB6, LaB6, and YbB6 Hexaborides with Electronic and Structural Instabilities

全文:

详细

作者简介

N. Sluchanko

A. Kuznetsov

A. Azarevich

A. Bogach

N. Shitsevalova

S. Polovets

V. Filipov

A. Tsvetkov

S. Gavrilkin

参考

补充文件