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Related papers: Spin glass behavior in amorphous CrSiTe3 alloy

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The research on van der Waals (vdW) layered ferromagnets have promoted the development of nanoscale spintronics and applications. However, low-temperature ferromagnetic properties of these materials greatly hinder their applications. Here,…

Materials Science · Physics 2021-11-03 Cheng Zhang , Yue Gu , Le Wang , Lianglong Huang , Ying Fu , Cai Liu , Shanmin Wang , Jia-Wei Mei , Xiaolong Zou , Jun-Feng Dai

We investigate the spin and charge densities of surface states of the three-dimensional topological insulator $Bi_2Se_3$, starting from the continuum description of the material [Zhang {\em et al.}, Nat. Phys. 5, 438 (2009)]. The spin…

Mesoscale and Nanoscale Physics · Physics 2012-09-04 P. G. Silvestrov , P. W. Brouwer , E. G. Mishchenko

The dielectric behavior of the single crystals of the spin-chain system Ca3Co2O6, undergoing geometrically frustrated antiferromagnetic ordering below 25 K, has been investigated as a function of temperature and magnetic field (H) and…

Materials Science · Physics 2016-03-17 Tathamay Basu , Kartik K. Iyer , P. L. Paulose , E. V. Sampathkumaran

Through advanced experimental techniques on CrI$_{3}$ single crystals, we derive a previously not discussed pressure-temperature phase diagram. We find that $T_{c}$ increases to $\sim$ 66\,K with pressure up to $\sim$ 3\,GPa followed by a…

A single crystalline system typically stabilizes a unique state for spin ordering below a critical temperature. Certain materials exhibit multiple magnetic states, driven by structural phase transitions under varying thermodynamic…

Two-dimensional (2D) van der Waals (vdW) magnetic materials with high coercivity and high $T_\text{C}$ are desired for spintronics and memory storage applications. Fe$_3$GeTe$_2$ (F3GT) is one such 2D vdW ferromagnet with a reasonably high…

A femtosecond laser-irradiated crystallizing technique is tried to convert amorphous Sb2Te3 film into crystalline film. Sensitive coherent phonon spectroscopy (CPS) is used to monitor the crystallization of amorphous Sb2Te3 film at the…

Strongly Correlated Electrons · Physics 2011-10-13 Simian Li , Huan Huang , Weiling Zhu , Wenfang Wang , Ke Chen , Dao-Xin Yao , Yang Wang , Tianshu Lai , Yiqun Wu , Fuxi Gan

Compared to the widely investigated crystalline polymorphs of gallium oxide (Ga2O3), knowledge about its amorphous state is still limited. With the help of a machine-learning interatomic potential, we conducted large-scale atomistic…

Materials Science · Physics 2024-04-29 Jiahui Zhang , Junlei Zhao , Jesper Byggmästar , Erkka J. Frankberg , Antti Kuronen

The single crystalline form of an insulator, Sr$_3$CuIrO$_{6+\delta}$, is shown to exhibit unexpectedly more than one magnetic transition (at 5 and 19 K) with spin-glass-like magnetic susceptibility behaviour. On the basis of this finding,…

Strongly Correlated Electrons · Physics 2009-11-07 Asad Niazi , P. L. Paulose , E. V. Sampathkumaran

The exploration of magnetism in two-dimensional layered materials has attracted extensive research interest. For the monoclinic phase CrI3 with interlayer antiferromagnetism, finding a static and robust way of realizing the intrinsic…

Materials Science · Physics 2022-11-30 Shiyang Sun , Xuyan Chen , Xuqi Li , Huihui Zhang , Haidan Sang , Shifei Qi , Zhenhua Qiao

We report the bulk magnetic properties of a yet unexplored vanadium-based multivalued spinel system, Zn3V3O8. A Curie-Weiss fit of our dc magnetic susceptibility data in the temperature region from 140 to 300 K yields a Curie constant C =…

Strongly Correlated Electrons · Physics 2015-06-22 Tanmoy Chakrabarty , Avinash V. Mahajan , Susanta Kundu

We report detailed temperature-dependent inelastic neutron scattering and ab-initio lattice dynamics investigation of magnetic perovskites YCrO3 and LaCrO3. The magnetic neutron scattering from the Cr ions exhibits significant changes with…

We study how spin and orbital effects influence the capability of promoting Dzyaloshinskii-Moriya (DM) interaction by studying the two magnetic polar materials, Cu(IO3)2 (S = 1/2 with orbital contribution) and Mn(IO3)2 (S = 5/2 with…

We have investigated the magnetic, dielectric and magnetodielectric (MDE) behavior of a geometrically frustrated spin-chain system, Ca3Co1.4Rh0.6O6, in the single crystalline form for different orientations. The results bring out that the…

Strongly Correlated Electrons · Physics 2015-06-22 Tathamay Basu , Kartik K. Iyer , Kiran Singh , K. Mukherjee , P. L. Paulose , E. V. Sampathkumaran

We have studied a nearly stoichiometric insulating Y$_{0.97(2)}$Cr$_{0.98(2)}$O$_{3.00(2)}$ single crystal by performing measurements of magnetization, heat capacity, and neutron diffraction. Albeit that the YCrO$_3$ compound behaviors like…

Strongly Correlated Electrons · Physics 2020-09-23 Yinghao Zhu , Ying Fu , Bao Tu , Tao Li , Jun Miao , Qian Zhao , Si Wu , Junchao Xia , Pengfei Zhou , Ashfia Huq , Wolfgang Schmidt , Zikang Tang , Zhubing He , Hai-Feng Li

The spin-orbit Mott insulator Sr3Ir2O7 provides a fascinating playground to explore insulator-metal transition driven by intertwined charge, spin, and lattice degrees of freedom. Here, we report high pressure electric resistance and…

Interfacial two-dimensional electron gas (2DEG), especially the SrTiO3-based ones at the unexpected interface of insulators, have emerged to be a promising candidate for efficient charge-spin current interconversion. In this article, to…

The crystallographic, magnetic, and transport properties of the van der Waals bonded, layered compound CrTe3 have been investigated on single crystal and polycrystalline materials. The crystal structure contains layers made up of lozenge…

Strongly Correlated Electrons · Physics 2017-04-19 Michael A. McGuire , V. Ovidiu Garlea , Santosh KC , Valentino R. Cooper , Jiaqiang Yan , Huibo Cao , Brian C. Sales

We report the synthesis, structure, and magnetic and transport properties of a new ternary intermetallic compound PrRhSn3 which crystallizes in LaRuSn3-type cubic structure (space group Pm-3n). At low applied fields the dc magnetic…

Strongly Correlated Electrons · Physics 2014-07-22 V. K. Anand , D. T. Adroja , A. D. Hillier

Recent neutron diffraction and NMR studies suggest that the incommensurately modulated spin cycloid structure of BiFeO3 is stable down to 4.2 K, whereas DC [M(T)] and AC [\c{hi} ({\omega}, T)] magnetization, and caloric studies have…

Materials Science · Physics 2016-06-21 Arun Kumar , Dhananjai Pandey