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The trigonal compound EuMg2Bi2 has recently been discussed in terms of its topological band properties. These are intertwined with its magnetic properties. Here detailed studies of the magnetic, thermal, and electronic transport properties…

强关联电子 · 物理学 2020-07-01 Santanu Pakhira , M. A. Tanatar , D. C. Johnston

The single crystal growth and superconducting properties of PbTaSe2 with non-centrosymmetric crystal structure is reported. Using the chemical vapor transport (CVT) technique, PbTaSe2 crystallizes in a layered structure and the crystal…

We have developed a theory of the negative magnetoresistance due to the weak localization in uniaxial wurtzite-type crystals, in which the spin splitting of the conduction band is linear in the wave vector, unlike the cubic ${\rm A_3 B_5}$…

凝聚态物理 · 物理学 2009-10-28 F. G. Pikus , G. E. Pikus

Single crystal x-ray diffraction, magnetic susceptibility, heat capacity, and electrical resistivity measurements are reported for the new tetragonal compound Ce$_{2}$PdGe$_{3}$, which forms in the space group $P4_{2}/mmc$ (\#131) $-$ a…

强关联电子 · 物理学 2015-06-22 R. E. Baumbach , A. Gallagher , T. Besara , J. Sun , T. Siegrist , D. J. Singh , J. D. Thompson , F. Ronning , E. D. Bauer

Here we report, the successful synthesis of single crystals of topological semimetal (TSM) candidate, PdSn$_4$ using the self-grown route. The synthesized crystal is well characterized through X-ray diffraction (XRD), field emission…

材料科学 · 物理学 2023-05-17 N. K. Karn , M. M. Sharma , V. P. S. Awana

Using the Feynman diagram techniques, we derive the finite-temperature conductivity and magnetoconductivity formulas from the quantum interference and electron-electron interaction, for a three-dimensional disordered Weyl semimetal. For a…

介观与纳米尺度物理 · 物理学 2015-07-15 Hai-Zhou Lu , Shun-Qing Shen

Rare-earth monopnictides display rich physical behaviors, featuring most notably spin and orbital orders in their ground state. Here, we grow ErBi single crystal and study its magnetic, thermal and electrical properties. An analysis of the…

材料科学 · 物理学 2020-09-18 L. - Y. Fan , F. Tang , W. Z. Meng , W. Zhao , L. Zhang , Z. D. Han , B. Qian , X. -F. Jiang , X. M. Zhang , Y. Fang

We report measurements on single crystals of orthorhombic CeNiGe2, which is found to exhibit highly anisotropic magnetic and transport properties. The magnetization ratio M(H//b)/M(H^b) at 2 K is observed to be about 18 at 4 T and the…

强关联电子 · 物理学 2009-11-07 M. H. Jung , N. Harrison , A. H. Lacerda , P. G. Pagliuso , J. L. Sarrao , J. D. Thompson

We present anisotropic, zero applied magnetic field, temperature dependent resistivity measurements on hexagonal, non-magnetic, YPtIn and LuAgGe single crystals. For these materials the in-plane resistivity, $\rho_{ab}$, is significantly…

材料科学 · 物理学 2009-11-11 G. D. Samolyuk , S. L. Bud'ko , E. Morosan , V. P. Antropov , P. C. Canfield

We report synthesis of non-centrosymmetric BiPd single crystal by self flux method. The BiPd single crystal is crystallized in monoclinic structure with the P21 space group. Detailed SEM (Scanning Electron Microscopy) results show that the…

超导电性 · 物理学 2016-01-20 Rajveer Jha , Reena Goyal , P. Neha , V. Maurya , A. Srivastava , Anurag Gupta , S. Patnaik , V. P. S. Awana

We report a detailed magneto-transport study in single crystals of NbP. High quality crystals were grown by vapour transport method. An exceptionally large magnetoresistance is confirmed at low temperature which is non-saturating and is…

材料科学 · 物理学 2016-08-24 Sudesh , P. Kumar , P. Neha , T. Das , A. K. Rastogi , S. Patnaik

Relating magnetotransport properties to specific spin textures at surfaces or interfaces is an intense field of research nowadays. Here, we investigate the variation of the electrical resistance of Ge(111) grown epitaxially on…

We investigated the conical magnetic state of a uniaxial chiral helimagnet Yb(Ni$_{1-x}$Cu$_x$)$_3$Al$_9$ induced in magnetic fields applied along the $c$ axis, which coincides with the helical axis at zero field. Using resonant X-ray…

强关联电子 · 物理学 2026-03-26 Takeshi Matsumura , Mitsuru Tsukagoshi , Shota Nakamura , Shigeo Ohara

The compound CaV2O4 contains V^{+3} cations with spin S = 1 and has an orthorhombic structure at room temperature containing zigzag chains of V atoms running along the c-axis. We have grown single crystals of CaV2O4 and report…

We report the detailed investigation of the magnetic, transport, and magnetocaloric effects of GdSbSe by magnetic susceptibility $\chi(T)$, isothermal magnetization $M(H)$, resistivity $\rho(T, H)$, and heat capacity $C_p(T)$ measurements,…

强关联电子 · 物理学 2024-09-23 Aarti Gautam , Prabuddha Kant Mishra , Souvik Banerjee , A. Sundaresan , Ashok Kumar Ganguli

Detailed anisotropic resistivity and heat capacity measurements down to ~0.4 K and up to 140 kOe are reported for a single crystalline YbAgGe. Based on these data YbAgGe, a member of the hexagonal RAgGe series, can be classified as new,…

强关联电子 · 物理学 2016-08-31 S. L. Bud'ko , E. Q. T. Morosan , P. C. Canfield

We report on transport and magnetic measurements between 1.8 and 400 K on single crystalline YbNi4P2, which was recently reported to be a heavy fermion system with a low lying ferromagnetic transition at T_C=0.17 K, based on data from…

强关联电子 · 物理学 2012-12-19 Cornelius Krellner , Christoph Geibel

We present a comprehensive study of the low-field magnetoresistance in carbon doped p-type GaAs/AlGaAs heterostructures aiming at the investigation of spin-orbit interaction effects. The following signatures of exceptionally strong…

介观与纳米尺度物理 · 物理学 2008-03-30 Boris Grbic , Renaud Leturcq , Thomas Ihn , Klaus Ensslin , Dirk Reuter , Andreas D. Wieck

The unusual features of topological semimetals arise from its nontrivial band structure. The impact of strong electron correlations on the topological states remains largely unexplored in real materials. Here, we report the magnetotransport…

强关联电子 · 物理学 2020-12-17 Antu Laha , P. Rambabu , V. Kanchana , L. Petit , Z. Szotek , Z. Hossain

We study DC and AC transport in low-density $p-$Si/SiGe heterostructures at low temperatures and in a broad domain of magnetic fields up to 18 T. Complex AC conductance is determined from simultaneous measurement of velocity and attenuation…

介观与纳米尺度物理 · 物理学 2009-11-13 I. L. Drichko , A. M. Dyakonov , I. Yu. Smirnov , A. V. Suslov , Y. M. Galperin , V. Vinokur , M. Myronov , O. A. Mironov , D. R. Leadley