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Related papers: Electronic transport in EuB$_6$

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As a promising candidate for altermagnet, CrSb possesses a distinctive compensated spin split band structure that could bring groundbreaking concepts to the field of spintronics. In this work, we have grown high-quality CrSb single crystals…

Materials Science · Physics 2025-02-11 Yuqing Bai , Xinji Xiang , Shuang Pan , Shichao Zhang , Haifeng Chen Xi Chen , Zhida Han , Guizhou Xu , Feng Xu

We report the results of magnetic, heat-capacity, electrical and magnetoresistance measurements on Ho4RhAl and Er4RhAl, characterized by 3 sites for rare-earths (R). Antiferromagnetic ordering sets in at (T_N =) about 8.8 and 4.0 K…

Strongly Correlated Electrons · Physics 2021-08-18 Ram Kumar , E. V. Sampathkumaran

We present an overview of magnetotransport measurements on the heavy-fermion superconductor CeIrIn$_5$. Sensitive measurements of the Hall effect and magnetoresistance (MR) are used to elucidate the low temperature phase diagram of this…

Strongly Correlated Electrons · Physics 2008-10-13 Sunil Nair , M. Nicklas , J. L. Sarrao , J. D. Thompson , F. Steglich , S. Wirth

Indium-doped SnTe has been of interest because the system can exhibit both topological surface states and bulk superconductivity. While the enhancement of the superconducting transition temperature is established, the character of the…

Superconductivity · Physics 2018-08-13 Cheng Zhang , Xu-Gang He , Hang Chi , Ruidan Zhong , Wei Ku , Genda Gu , J. M. Tranquada , Qiang Li

Electrical, magnetic and galvanomagnetic properties of half-metallic Heusler alloys of Co$_2$YZ (Y = Ti, V, Cr, Mn, Fe, Ni, and Z = Al, Si, Ga, Ge, In, Sn, Sb) were studied in the temperature range 4.2--900 K and in magnetic fields of up to…

Materials Science · Physics 2018-05-09 V. V. Marchenkov , Yu. A. Perevozchikova , N. I. Kourov , V. Yu. Irkhin , M. Eisterer , T. Gao

We present the study of magnetic and transport properties of Pb(1-x-y-z)Mn(x)Sn(y)Eu(z)Te. AC magnetic susceptibility measurements as well as transport characterization were performed. The obtained results indicate that the presence of two…

The mechanism of the anomalous Hall transport phenomena, if it is of the intrinsic or extrinsic origin, has been controversial. We present a unified theory of them for ferromagnetic metals with dilute impurities at the zero temperature, in…

Mesoscale and Nanoscale Physics · Physics 2009-11-13 Shigeki Onoda , Naoyuki Sugimoto , Naoto Nagaosa

Temperature-dependent angle-resolved photoemission spectroscopy (ARPES) was carried out on single-crystalline EuB6 samples. By measuring ARPES spectra in an extended Brillouin zone, a B 2p hole pocket centered at the X point is clearly…

Strongly Correlated Electrons · Physics 2021-08-24 Chul-Hee Min , Boyoun Kang , Beong Ki Cho , En-Jin Cho , Byeong-Gyu Park , Hyeong-Do Kim

We systematically measured the Hall effect in the extremely large magnetoresistance semimetal WTe$_2$. By carefully fitting the Hall resistivity to a two-band model, the temperature dependencies of the carrier density and mobility for both…

Strongly Correlated Electrons · Physics 2015-11-09 Yongkang Luo , H. Li , Y. M. Dai , H. Miao , Y. G. Shi , H. Ding , A. J. Taylor , D. A. Yarotski , R. P. Prasankumar , J. D. Thompson

We report low-temperature electronic transport measurements performed in two multi-terminal Corbino samples formed in GaAs/Al-GaAs two-dimensional electron gases (2DEG) with both ultra-high electron mobility ($\gtrsim 20\times 10^6$…

Oxide heterostructures allow for detailed studies of 2D electronic transport phenomena. Herein, different facets of magnetotransport in selected spin-orbit-coupled systems are analyzed and characterized by their single-band and multiband…

Mesoscale and Nanoscale Physics · Physics 2021-10-14 Robert Bartel , Elias Lettl , Patrick Seiler , Thilo Kopp , German Hammerl

While electron-electron (e-e) interactions are known to influence resistivity in non-Galilean invariant two-dimensional (2D) systems, their effect on magnetotransport is not fully understood. Conventional models for simple bands often…

Mesoscale and Nanoscale Physics · Physics 2026-01-26 G. M. Gusev , A. D. Levin , V. A. Chitta , Z. D. Kvon , N. N. Mikhailov

In this paper, the magnetic and transport properties were systematically studied for EuAg$_4$As$_2$ single crystals, crystallizing in a centrosymmetric trigonal CaCu$_4$P$_2$ type structure. It was confirmed that two magnetic transitions…

Materials Science · Physics 2022-06-24 Qinqing Zhu , Liang Li , Zhihua Yang , Zhefeng Lou , Jianhua Du , Jinhu Yang , Bin Chen , Hangdong Wang , Minghu Fang

For the first time magnetrotransport of the ferromagnetic high-pressure phases of (GaSb)$_2$M (M=Cr,Mn) was measured. It was found that the main component of magnetotransport in these phases is negative and its amplitude is increasing with…

Materials Science · Physics 2021-11-30 A. A. Pronin , M. V. Kondrin , V. R. Gizatullin , O. A. Sazanova , A. G. Lyapin , S. V. Popova

Study of magnetotransport properties of ScPtBi revealed simultaneously: a negative contribution to the longitudinal magnetoresistance, the planar Hall effect, and distinct angular narrowing of the longitudinal magnetoresistance { three…

Materials Science · Physics 2021-05-19 Orest Pavlosiuk , Andrzej Jezierski , Dariusz Kaczorowski , Piotr Wiśniewski

We present electrical transport data for single-crystalline Co$_2$FeSi which provide clear-cut evidence that this Heusler compound is truly a half-metallic ferromagnet, i.e. it possesses perfect spin-polarization. More specifically, the…

Strongly Correlated Electrons · Physics 2013-02-15 Dirk Bombor , Christian G. F. Blum , Oleg Volkonskiy , Steven Rodan , Sabine Wurmehl , Christian Hess , Bernd Büchner

The recent conjecture of a topologically-protected surface state in SmB$_6$ and the verification of robust surface conduction below 4 K have prompted a large effort to understand the surface states. Conventional Hall transport measurements…

PbSe is a low-gap semiconductor with excellent infrared photo-detection properties. Here we report our high magnetic field and low temperature electrical properties measurement performed on a moderately doped PbSe single crystals with…

Mesoscale and Nanoscale Physics · Physics 2015-12-18 Naween Anand , C. Martin , Genda Gu , David B. Tanner

The Hall effect and resistivity of the carrier doped magnetic semiconductor Fe$_{1-x}$Co$_x$S$_2$ were measured for $0\le x \le 0.16$, temperatures between 0.05 and 300 K, and fields of up to 9 T. Our Hall data indicate electron charge…

Strongly Correlated Electrons · Physics 2009-12-16 S. Guo , D. P. Young , R. T. Macaluso , D. A. Browne , N. L. Henderson , J. Y. Chan , L. L. Henry , J. F. DiTusa

We investigate the electrical transport properties of a magnetic kagome metal EuTi$_3$Bi$_4$, which undergoes magnetic ordering below $T_\mathrm{c}=10.5$ K. Unlike typical magnets showing anomalous magnetotransport in their ordered states,…

Strongly Correlated Electrons · Physics 2025-04-03 Yun Shu , Xinrun Mi , Yuhao Wei , Sixue Tao , Aifeng Wang , Yisheng Chai , Dashuai Ma , Xiaolong Yang , Mingquan He