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Related papers: Ising-type Magnetic Anisotropy in CePd$_2$As$_2$

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We performed $^{75}$As-NMR measurements to investigate the normal-state magnetic properties of CeRh$_2$As$_2$, a recently-discovered heavy-fermion superconductor. The magnitude and temperature dependence of the Knight shift at the As(2)…

A detailed study of the electronic transport and magnetic properties of Fe$_{1-x}$Cu$_x$Cr$_2$S$_4$ ($x \leq 0.5$) on single crystals is presented. The resistivity is investigated for $2 \leq T \leq 300$ K in magnetic fields up to 14 Tesla…

The pivotal role of magnetic anisotropy in stabilising two-dimensional (2D) magnetism has been widely accepted, however, direct correlation between magnetic anisotropy and long-range magnetic ordering in the 2D limit is yet to be explored.…

Strongly Correlated Electrons · Physics 2021-08-09 Minjie Zhang , Qifeng Hu , Chenqiang Hua , Man Cheng , Zhou Liu , Shijie Song , Fanggui Wang , Pimo He , Guang-Han Cao , Zhu-An Xu , Yunhao Lu , Jinbo Yang , Yi Zheng

Anisotropic magnetic properties of single crystalline RAu_{2}Ge_{2} (R = La, Ce and Pr) compounds are reported. LaAu_{2}Ge_{2} exhibit a Pauli-paramagnetic behavior whereas CeAu_{2}Ge_{2} and PrAu_{2}Ge_{2} show an antiferromagnetic…

Strongly Correlated Electrons · Physics 2015-05-14 Devang A. Joshi , A. K. Nigam , S. K. Dhar , A. Thamizhavel

The crystalline electric field (CEF) of Ce3+ in trigonal symmetry has recently become of some relevance, for instance, in the search of frustrated magnetic systems. Fortunately, it is one of the CEF case in which a manageable analytic…

Strongly Correlated Electrons · Physics 2018-11-21 Jacintha Banda , Binod K. Rai , Helge Rosner , Emilia Morosan , Christoph Geibel , Manuel Brando

We investigate the physical properties of high-quality single crystals CeGaGe and PrGaGe using magnetization, heat capacity, and magnetotransport measurements. Gallium-indium binary flux was used to grow these single crystals that…

Strongly Correlated Electrons · Physics 2024-01-30 Daloo Ram , Sudip Malick , Zakir Hossain , Dariusz Kaczorowski

We present a detailed study of magnetization, resistivity, heat capacity, and X-ray and neutron powder diffraction measurements performed on single crystals of non-stoichiometric CeAuBi$_2$, Au deficiency 18$\%$, a strongly correlated…

We clarify the role of crystalline electric field (CEF) induced magnetic anisotropy in the ground state and spin-wave spectrum of cubic rare-earth materials with dominating isotropic magnetic exchange interactions. In particular we study…

Strongly Correlated Electrons · Physics 2009-10-31 Gennadi Uimin , Wolfram Brenig

Single crystals of HoIr$_2$Si$_2$ with the body-centered ThCr$_2$Si$_2$-type structure ($I4/mmm$) were grown by Bridgman method from indium flux. Single crystal structure determination yielded a Si-z position of 0.378(1) in the structure.…

Strongly Correlated Electrons · Physics 2018-07-11 Kristin Kliemt , Michael Bolte , Cornelius Krellner

We report studies of CaCo{1.86}As2 single crystals. The electronic structure is probed by angle-resolved photoemission spectroscopy (ARPES) measurements of CaCo{1.86}As2 and by full-potential linearized augmented-plane-wave calculations for…

Superconductivity · Physics 2014-06-12 V. K. Anand , R. S. Dhaka , Y. Lee , B. N. Harmon , Adam Kaminski , D. C. Johnston

An indispensable step toward understanding magnetic interactions in rare-earth magnets is to determine the spatially anisotropic single-ion properties set by crystal electric field (CEF) physics. The CEF Hamiltonian yields a discrete energy…

The antiferromagnetic heavy-fermion compound Ce$_2$RhIn$_8$ belongs to the same family and bears similarities with the well-studied prototypical material CeRhIn$_5$, which demonstrates a unique behavior under applied magnetic field. Here,…

Strongly Correlated Electrons · Physics 2025-05-19 T. Klein , C. Marcenat , A. Demuer , J. Sarrade , D. Aoki , I. Sheikin

CsCa$_2$Fe$_4$As$_4$F$_2$ is a newly discovered iron-based superconductor with $T_\mathrm{c}\sim$ 30 K containing double Fe$_2$As$_2$ layers that are separated by insulating Ca$_2$F$_2$ spacer layers. Here we report the transport and…

Superconductivity · Physics 2019-04-10 Zhi-Cheng Wang , Yi Liu , Si-Qi Wu , Ye-Ting Shao , Zhi Ren , Guang-Han Cao

Early work on the iron-arsenide compounds supported the view, that a reduced dimensionality might be a necessary prerequisite for high-Tc superconductivity. Later, however, it was found that the zero-temperature upper critical magnetic…

Superconductivity · Physics 2015-05-20 V. A. Gasparov , F. Wolff-Fabris , D. L. Sun , C. T. Lin , J. Wosnitza

The magnetic properties of ThCr_2Si_2-type single crystals ACo_2Se_2 (A = K, Rb and Cs) have been investigated by magnetic susceptibility and isothermal magnetization measurements at various temperatures. The ferromagnetic phase transition…

Superconductivity · Physics 2013-08-15 Jinhu Yang , Bin Chen , Hangdong Wang , Qianhui Mao , Masaki Imai , Kazuyoshi Yoshimura , Minghu Fang

We report temperature-dependent polarized optical conductivity [$\sigma(\omega)$] spectra of CeFe$_2$Al$_{10}$, which is a reference material for CeRu$_2$Al$_{10}$ and CeOs$_2$Al$_{10}$ with an anomalous magnetic transition at 28 K. The…

Strongly Correlated Electrons · Physics 2015-05-20 Shin-ichi Kimura , Yuji Muro , Toshiro Takabatake

Two-dimensional (2D) magnetic materials have predominantly exhibited easy-axis or easy-plane anisotropy and display a high sensitivity to the underlying crystal structure and lattice symmetry. Recently, an in-plane anisotropic 2D…

We have investigated the ground state properties of polycrystalline CeCoAsO by means of magnetization, specific heat and solid state NMR. Susceptibility and specific-heat measurements suggest a ferromagnetic order at about,…

Strongly Correlated Electrons · Physics 2015-05-19 Rajib Sarkar , Anton Jesche , Cornelius Krellner , Chandan Mazumdar , Asok Poddar , Michael Baenitz , Cristoph Geibel

The anisotropic superconducting properties of a Rb(x)Fe(2-y)Se(2) single crystal with transition temperature 32 K were investigated by means of SQUID and torque magnetometry, probing the effective magnetic penetration depth and the magnetic…

Superconductivity · Physics 2012-02-23 S. Bosma , R. Puzniak , A. Krzton-Maziopa , M. Bendele , E. Pomjakushina , K. Conder , H. Keller , S. Weyeneth

CeRh$_3$Si$_2$ has been reported to exhibit metamagnetic transitions below 5~K, a giant crystal field splitting, and anisotropic magnetic properties from single crystal magnetization and heat capacity measurements. Here we report results of…