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We present the results of electrical resistivity and Hall effect measurements on single crystals of HfNiSn, TiPtSn, and TiNiSn. Semiconducting behavior is observed in each case, involving the transport of a small number of highly…

We report on electrical resistivity, magnetoresistance (MR) and Hall effect measurements in four non-superconducting BaFe$_{2-x}$TM$_x$As$_2$ (TM = Mn, Cu and Ni) single crystals with small values of the chemical substitution $x$. The spin…

Magnetoresistance and Hall resistance measurements have been carried out in fastcooled single crystals of Bi2Se3-xTex (x: 0 to 2) in 4 to 300 K temperature range, under magnetic fields up to 15 T. The variation of resistivity with…

材料科学 · 物理学 2016-02-17 E. P. Amaladass , T. R. Devidas , Shilpam Sharma , C. S. Sundar , A. Bharathi , Awadhesh Mani

We present a study of the magnetoresistance and Hall effect in the narrow-gap semiconductor FeSb2 at low temperatures. Both the electrical and Hall resistivities show unusual magnetic field dependence in the low-temperature range where a…

强关联电子 · 物理学 2015-06-03 H. Takahashi , R. Okazaki , Y. Yasui , I. Terasaki

We report measurements of the magnetic, transport and thermal properties of the Heusler type compound Fe2VAl0.95. We show that while stoichiometric Fe2VAl is a non-magnetic semi-metal a 5% substitution on the Al-site with the 3d elements Fe…

强关联电子 · 物理学 2016-04-06 K. Sato , T. Naka , M. Taguchi , T. Nakane , F. Ishikawa , Yuh Yamada , Y. Takaesu , T. Nakama , A. de Visser , A. Matsushita

Noncollinear metallic antiferromagnets, with their rapid spin dynamics, efficient spin transport, and distinctive spin textures, play a pivotal role in advancing the field of spintronics. In this study, we report a comprehensive…

The electrical resistivity, magnetization, and Hall effect in Co$_2$FeZ (Z = Al, Si, Ga, Ge, Sn, Sb) ferromagnetic Heusler alloys are studied. A number of correlations between the electronic and magnetic characteristics of the studied…

材料科学 · 物理学 2025-02-19 Yu. A. Perevozchikova , V. Yu. Irkhin , A. A. Semiannikova , V. V. Marchenkov

Hall resistivity and magneto-thermopower have been measured for colossal magnetoresistive Tl2Mn2O7 over wide temperature and magnetic-field ranges. These measurements revealed that a small number of free electron-like carriers is…

材料科学 · 物理学 2009-10-31 H. Imai , Y. Shimakawa , Yu. V. Sushko , Y. Kubo

We report a detailed study of the electrical transport properties of single crystals of Pr$_4$Fe$_2$As$_2$Te$_{1-x}$O$_4$, a recently discovered iron-based superconductor. Resistivity, Hall effect and magnetoresistance are measured in a…

超导电性 · 物理学 2016-12-22 A. Pisoni , P. Szirmai , S. Katrych , B. Náfrádi , R. Gaál , J. Karpinski , L. Forró

Measurements of magnetization, specific heat, electrical resistivity, Hall effect, and magnetoresistance on single crystalline samples of LaFeAsO grown in a NaAs flux are reported. While this material is known to be a semimetal, the…

超导电性 · 物理学 2015-06-16 C. A. McElroy , J. J. Hamlin , B. D. White , M. A. McGuire , B. C. Sales , M. B. Maple

The magnetic properties of the alloy system Fe3-xMnxSi have been studied by measuring magnetization for samples with x = 0, 0.1, 0.25, 0.5, and by thermal scanning techniques for samples with x = 0, 0.1. The results reveal that the system…

材料科学 · 物理学 2017-11-09 Mahdi S. Lataifeh , Mick OShea , Ahmad S. Saleh , Sami H. Mahmood

We report the temperature dependence of transport and magnetic properties of La$_{1-x}$Ca$_x$VO$_3$ for x = 0.0, 0.1, 0.2, 0.3, 0.4 and 0.5. The system exhibits an insulator-to-metal transition concomitant with an…

强关联电子 · 物理学 2008-02-03 K. Maiti , N. Y. Vasanthacharya , D. D. Sarma

We report results of magnetization, zero field resistivity and magnetoresistance measurements in ferromagnetic Heusler alloy Co$_2$TiSn. There is a striking change in the character of electron transport as the system undergoes the…

材料科学 · 物理学 2009-11-11 S. Majumdar , M. K. Chattopadhyay , V. K. Sharma , K. J. S. Sokhey , S. B. Roy , P. Chaddah

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…

材料科学 · 物理学 2018-05-09 V. V. Marchenkov , Yu. A. Perevozchikova , N. I. Kourov , V. Yu. Irkhin , M. Eisterer , T. Gao

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…

The magnetoresistance, MR of a well-characterized bulk FeSi sample was studied. It is shown that after a chaotic behavior at temperatures below 6 K, the magnetoresistance of FeSi becomes regular functions of temperature and magnetic field.…

强关联电子 · 物理学 2024-06-19 A. E. Petrova , S. Yu. Gavrilkin , V. A. Stepanov , S. S. Khasanov , S. M. Stishov

We explore the electronic and topological properties of single crystal SrAl$_2$Si$_2$ using magnetotransport experiments in conjunction with first-principle calculations. We find that the temperature-dependent resistivity shows a pronounced…

强关联电子 · 物理学 2022-08-04 Sudip Malick , A. B. Sarkar , Antu Laha , M. Anas , V. K. Malik , Amit Agarwal , Z. Hossain , J. Nayak

We investigated the transport properties under magnetic fields of up to 9 T for FeSe$_{1-x}$Te$_x$ thin films on CaF$_2$. Measurements of the temperature dependence of the electrical resistivity revealed that for $x = 0.2 - 0.4$, where…

超导电性 · 物理学 2016-08-05 Yuichi Sawada , Fuyuki Nabeshima , Yoshinori Imai , Atsutaka Maeda

We investigate the high temperature thermoelectric properties of Heusler alloys Fe2-xMnxCrAl (0<x<1). Substitution of 12.5% Mn at Fe-site (x = 0.25) causes a significant increase in high temperature resistivity (\r{ho}) and an enhancement…

材料科学 · 物理学 2022-02-15 Kavita Yadav , Saurabh Singh , Omprakash Muthuswamy , Tsunehiro Takeuchi , K. Mukherjee

We report on a systematic study of Hall effect using high quality single crystals of type-II Weyl semimetal WTe2 with the applied magnetic field B//c. The residual resistivity ratio of 1330 and the large magnetoresistance of 1.5\times10^6 %…

材料科学 · 物理学 2017-10-03 Rajveer Jha , Ryuji Higashinaka , Tatsuma D. Matsuda , Raquel A. Ribeiro , Yuji Aoki
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