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The rare-earth nickelates (RNiO3) exhibit interesting phenomena such as unusual antiferromagnetic order at wavevector q = (1/2, 0, 1/2) and a tunable insulator-metal transition that are subjects of active research. Here we present…

Here, we report a systematic study on the Hall-effect of the semi-metallic state of bulk MoTe$_2$, which was recently claimed to be a candidate for a novel type of Weyl semi-metallic state. The temperature ($T$) dependence of the carrier…

Superconductivity · Physics 2016-09-07 Qiong Zhou , D. Rhodes , Q. R. Zhang , S. Tang , R. Schönemann , L. Balicas

Electrical resistivity, magnetoresistivity, and the Hall effect have been studied in a topological semimetal WTe2 single crystal in the temperature range from 12 to 200 K under magnetic fields up to 9 T. It has been found that quadratic…

Strongly Correlated Electrons · Physics 2023-02-02 A. N. Perevalova , S. V. Naumov , V. V. Chistyakov , E. B. Marchenkova , B. M. Fominykh , V. V. Marchenkov

The spin Hall (SH) effect, the conversion of the electric current to the spin current along the transverse direction, relies on the relativistic spin-orbit coupling (SOC). Here, we develop a microscopic theory on the mechanisms of the SH…

Materials Science · Physics 2024-03-21 Satoshi Okamoto , Naoto Nagaosa

We have measured Hall effect, magnetotransport and magnetostriction on the field induced phases of single crystalline UPt$_2$Si$_2$ in magnetic fields up to 60\,T at temperatures down to 50\,mK. For the magnetic field applied along the $c$…

Strongly Correlated Electrons · Physics 2017-04-19 D. Schulze Grachtrup , N. Steinki , S. Süllow , Z. Cakir , G. Zwicknagl , Y. Krupko , I. Sheikin , M. Jaime , J. A. Mydosh

Thermodynamic and transport properties are reported on single crystals of the hexagonal antiferromagnet Mn$_3$Sn grown by the Sn flux technique. Magnetization measurements reveal two magnetic phase transitions at $T_1$ = 275 K and $T_2$ =…

Materials Science · Physics 2018-04-03 N. H. Sung , F. Ronning , J. D. Thompson , E. D. Bauer

We present the theoretical description for a class of experimental setups that measure quantum Hall coefficients in ferromagnet-topological insulator-ferromagnet (FM-TI-FM) junctions. We predict that varying the magnetization direction in…

Mesoscale and Nanoscale Physics · Physics 2015-06-11 A. L. Chudnovskiy , V. Kagalovsky

We report the magnetoresistance and nonlinear Hall effect studies over a wide temperature range in pulsed laser deposited Ni0.07Zn0.93O thin film. Negative and positive contributions to magnetoresistance at high and low temperatures have…

Materials Science · Physics 2017-03-14 Arpana Agrawal , Tanveer A. Darb , R. J. Choudhary , Archana Lakhani , Pranay K. Sen , Pratima Sen

Spin Hall effect plays an essential role in generating spin current from the injected charge current, following the Dyakonov-Perel rule that the directions of charge flow, spin flow and spin polarization are mutually perpendicular to each…

Materials Science · Physics 2019-11-06 Po-Hung Lin , Po-Wei Lee , Yu-Hsuan Lin , Bo-Yuan Yang , Vinod Kumar , Hsiu-Hau Lin , Chih-Huang Lai

Transport property under metallic ferroaxial ordering in an external magnetic field is theoretically investigated. After presenting the relation between the magnetoconductivity tensor and ferroaxial moment from the symmetry viewpoint, we…

Strongly Correlated Electrons · Physics 2024-04-23 Satoru Hayami , Rikuto Oiwa , Hiroaki Kusunose

A comprehensive study of magnetoresistance and Hall effect has been performed for the set of the single crystals of non-magnetic metal LuB12 with the Jahn-Teller instability of the boron cage and dynamic charge stripes forming along <110>…

Strongly Correlated Electrons · Physics 2021-01-20 N. Sluchanko , A. Azarevich , A. Bogach , S. Demishev , K. Krasikov , V. Voronov , V. Filipov , N. Shitsevalova , V. Glushkov

The 5d iridium-based transition metal oxides have gained broad interest because of their strong spin-orbit coupling which favors new or exotic quantum electronic states. On the other hand, they rarely exhibit more mainstream orders like…

Strongly Correlated Electrons · Physics 2022-01-26 Arun Kumar Jaiswal , Di Wang , Vanessa Wollersen , Rudolf Schneider , Matthieu Le Tacon , Dirk Fuchs

We have measured the dielectric constant and the pyroelectric current of orthorhombic (space group $Pbam$) NdCrTiO$_5$ polycrystalline samples. The dielectric constant and the pyroelectric current show features associated with ferroelectric…

Materials Science · Physics 2015-05-30 J. Hwang , E. S. Choi , H. D. Zhou , J. Lu , P. Schlottmann

Hall effect and magnetoresistance have been measured on single crystals of $NdFeAsO_{1-x}F_{x}$ with x = 0 ($T_c$ = 0 $ $K) and x = 0.18 ($T_c$ = 50 $ $K). For the undoped samples, strong Hall effect and magnetoresistance with strong…

Superconductivity · Physics 2009-11-13 Peng Cheng , Huan Yang , Ying Jia , Lei Fang , Xiyu Zhu , Gang Mu , Hai-Hu Wen

We discover an intrinsic dipole Hall effect in a variety of magnetic insulating states at integer fillings of twisted MoTe$_2$ moir\'e superlattice, including topologically trivial and nontrivial ferro-, antiferro-, and ferri-magnetic…

Strongly Correlated Electrons · Physics 2024-09-16 Feng-Ren Fan , Cong Xiao , Wang Yao

Itinerant ferromagnetism at room temperature is a key ingredient for spin transport and manipulation. Here, we report the realization of nearly-room-temperature itinerant ferromagnetism in Co doped Fe5GeTe2 thin flakes. The ferromagnetic…

We propose an intrinsic nonlinear spin Hall effect, which enables the generation of collinearly-polarized spin current in a large class of nonmagnetic materials with the corresponding linear response being symmetry-forbidden. This opens a…

Mesoscale and Nanoscale Physics · Physics 2024-07-26 Hui Wang , Huiying Liu , Xukun Feng , Jin Cao , Weikang Wu , Shen Lai , Weibo Gao , Cong Xiao , Shengyuan A. Yang

Experimental studies of the antiferromagnetic (AF) heavy fermion metal $\rm YbRh_2Si_2$ in a magnetic field $B$ indicate the presence of a jump in the Hall coefficient at a magnetic-field tuned quantum state in the zero temperature limit.…

Strongly Correlated Electrons · Physics 2009-11-11 V. R. Shaginyan , K. G. Popov , S. A. Artamonov

We report on the electronic and thermodynamic properties of the antiferromagnetic metal uranium mononitride with a N\'eel temperature $T_N\approx 53\,$K. The fabrication of microstructures from single crystals enables us to study the…

Strongly Correlated Electrons · Physics 2021-10-27 Sandra Hamann , Tobias Förster , Denis. I. Gorbunov , Markus König , Marc Uhlarz , Joachim Wosnitza , Toni Helm

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