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The application of a magnetic field transverse to the easy axis, Ising direction in the quasi-two-dimensional Kagome staircase magnet, Co3V2O8, induces three quantum phase transitions at low temperatures, ultimately producing a novel high…

Strongly Correlated Electrons · Physics 2015-11-10 K. Fritsch , G. Ehlers , K. C. Rule , K. Habicht , M. Ramazanoglu , H. A. Dabkowska , B. D. Gaulin

We report a transport study on Pd$_3$In$_7$ which displays multiple Dirac type-II nodes in its electronic dispersion. Pd$_3$In$_7$ is characterized by low residual resistivities and high mobilities, which are consistent with Dirac-like…

The phase diagram of Sr3Ru2O7 contains a metamagnetic transition that bifurcates to enclose an anomalous phase with intriguing properties - a large resistivity with anisotropy that breaks the crystal-lattice symmetry. We propose that this…

Strongly Correlated Electrons · Physics 2009-04-02 A. M. Berridge , A. G. Green , S. A. Grigera , B. D. Simons

We present the specific heat, magnetization, optical spectroscopy measurements and the firstprinciple calculations on the Weberite structure Ca2Os2O7 single crystal/polycrystalline sample. The Ca2Os2O7 shows a Curie-Weiss nature at high…

Strongly Correlated Electrons · Physics 2015-06-11 P. Zheng , Y. G. Shi , Q. S. Wu , G. Xu , T. Dong , Z. G. Chen , R. H. Yuan , B. Cheng , K. Yamaura , J. L. Luo , N. L. Wang

Magnetic and dielectric properties of \aa kermanite Ca$_2$CoSi$_2$O$_7$ single crystals were investigated in pulsed high magnetic fields. In magnetic fields along the $c$ axis, this material shows a magnetization plateau in a wide range of…

Strongly Correlated Electrons · Physics 2015-06-22 Mitsuru Akaki , Hideki Kuwahara , Akira Matsuo , Koichi Kindo , Masashi Tokunaga

Magnetic and transport properties of $Co Sr_2 Y_{1-x} Ca_x Cu_2 O_7$ ($x=0 \sim 0.4$) system have been investigated. A broad maximum in M(T) curve, indicative of low-dimensional antiferromagnetic ordering originated from $CoO_{1+\delta}$…

Strongly Correlated Electrons · Physics 2007-05-23 X. G. Luo , X. H. Chen , X. Liu , R. T. Wang , Y. M. Xiong , C. H. Wang , G. Y. Wang , X. G. Qiu

Materials featuring hypervalent bismuth motifs have generated immense interest due to their extraordinary electronic structure and exotic quantum transport. In this study, we synthesized high-quality single crystals of La3ScBi5…

We report on band structure calculations and a microscopic model of the low-dimensional magnet beta-Cu2V2O7. Magnetic properties of this compound can be described by a spin-1/2 anisotropic honeycomb lattice model with the averaged coupling…

Strongly Correlated Electrons · Physics 2010-10-12 Alexander A. Tsirlin , Oleg Janson , Helge Rosner

Single crystals of intermetallic Re$_3$Ge$_7$ were grown and characterized by measuring magnetization, electrical resistivity, Hall coefficient, and specific heat. Magnetization measurements show the material is weakly diamagnetic. A phase…

Materials Science · Physics 2022-06-08 Anja Rabus , Eundeok Mun

Noncentrosymmetric triangular magnets offer a unique platform for realizing strong quantum fluctuations. However, designing these quantum materials remains an open challenge attributable to a knowledge gap in the tunability of competing…

We report magneto-transport studies of InAs/GaSb bilayer quantum wells in a regime where the interlayer tunneling between the electron and hole gases is suppressed. When the chemical potential is tuned close to the charge neutrality point,…

Mesoscale and Nanoscale Physics · Physics 2019-05-15 Di Xiao , Lun-Hui Hu , Chao-Xing Liu , Nitin Samarth

In this paper, we examine the possible influence of extrinsic factors on the electrical and magnetotransport of La(0.67)Ca(0.33)Mn(1-x)Ru(x)O(3) (x < 0.10). These results not only exclude the extrinsic factors, but establishes the fact that…

Materials Science · Physics 2009-11-11 L. Seetha Lakshmi , V. Sridharan , R. Rawat , A. A. Sukumar , M. Kamuddin , V. S. Sastry , V. S. Raju

Magnetic topological materials, which combine magnetism and topology, are expected to host emerging topological states and exotic quantum phenomena. In this study, with the aid of greatly enhanced coercive fields in high-quality nanoflakes…

Materials Science · Physics 2021-06-08 Qingqi Zeng , Gangxu Gu , Gang Shi , Jianlei Shen , Bei Ding , Shu Zhang , Xuekui Xi , Claudia Felser , Yongqing Li , Enke Liu

One of recent surprising discoveries is the unusual anisotropic magnetoresistance (UAMR) that depends on two magnetization components perpendicular to the current differently, in contrast to the conventional anisotropic magnetoresistance…

Mesoscale and Nanoscale Physics · Physics 2023-07-19 M. Q. Dong , Zhi-Xin Guo , X. R. Wang

Quasi-one-dimensional materials $A$Mn$_6$Bi$_5$ ($A$ = Na, K, Rb, Cs) exhibit unique electronic behaviors such as antiferromagnetism, charge density waves, and pressure-induced superconductivity. Thus, they serve as a suitable model system…

Superconductivity · Physics 2025-12-04 Qi-Yuan Liu , Chenfei Shi , Zhaodi Lin , Xiutong Deng , Baojuan Kang , Youguo Shi , Gang Wang , Rongrong Jia , Jin-Ke Bao

We investigated the out-of-plane transport properties of parent and chemically substituted BaFe$_{2}$As$_{2}$ for various types of substitution. Based on the studies of Hall coefficient and chemical-substitution effect, we have clarified…

Superconductivity · Physics 2021-03-18 Masamichi Nakajima , Masahiko Nagafuchi , Setsuko Tajima

Layered {\alpha}-RuCl3 is a promising material to potentially realize the long-sought Kitaev quantum spin liquid with fractionalized excitations. While evidence of this exotic state has been reported under a modest in-plane magnetic field,…

Including the orbital off-diagonal spin and charge condensates in the self consistent determination of magnetic order within a realistic three-orbital model for the $4d^4$ compound $\rm Ca_2 Ru O_4$, reveals a host of novel features…

Strongly Correlated Electrons · Physics 2021-07-05 Shubhajyoti Mohapatra , Avinash Singh

One of the key questions concerning frustrated lattices that has lately emerged is the role of disorder in inducing spin-liquid-like properties. In this context, the quantum kagome antiferromagnets YCu$_3$(OH)$_6$Cl$_3$, which has been…

Strongly Correlated Electrons · Physics 2019-07-02 A. Zorko , M. Pregelj , M. Klanjšek , M. Gomilšek , Z. Jagličić , J. S. Lord , J. A. T. Verezhak , T. Shang , W. Sun , J. -X. Mi

In correlated electronic systems, strong interactions and the interplay between different degrees of freedom may give rise to anomalous charge transport properties, which can be tuned by external parameters like temperature and magnetic…