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This study presents systematic investigations into the growth and physical properties of EuAl$_3$Si single crystals, encompassing magnetic, transport, and thermodynamic analyses. EuAl$_3$Si undergoes a ferromagnetic transition at $T_C$ = 15…

强关联电子 · 物理学 2025-01-10 Hai Zeng , Shuo Zou , Zhou Wang , Ziyu Li , Kangjian Luo , Yongkang Luo

The magnetocaloric effect (MCE) in single-crystalline Eu$_5$In$_2$Sb$_6$ was studied over broad temperature ranges and magnetic field intervals, with the magnetic field oriented parallel and perpendicular to the crystallographic…

We present detailed investigations in single crystals of two recently reported quaternary intermetallic compounds EuRhAl$_4$Si$_2$ and EuIrAl$_4$Si$_2$ employing magnetization, electrical resistivity in zero and applied fields, heat…

强关联电子 · 物理学 2014-11-04 Arvind Maurya , P. Bonville , A. Thamizhavel , S. K. Dhar

In divalent Eu systems, the 4f local moment has a pure spin state J=S=7/2. Although the absence of orbital moment precludes crystal electric field effects, we report a sizeable magnetic anisotropy in single crystals of EuRh2Si2. We observed…

材料科学 · 物理学 2019-01-23 Silvia Seiro , Christoph Geibel

The Eu-based compound, EuCu2As2, crystallizing in the ThCr2Si2-type tetragonal structure, has been synthesized and its magnetic behavior has been investigated by magnetization (M), heat-capacity (C) and electrical resistivity (rho)…

强关联电子 · 物理学 2009-11-11 Kausik Sengupta , P. L. Paulose , E. V. Sampathkumaran , Th. Doert , J. P. F. Jemetio

We present the results of a thorough investigation of the physical properties of EuAg$_4$Sb$_2$ single crystals using magnetization, heat capacity, and electrical resistivity measurements. High-quality single crystals, which crystallize in…

强关联电子 · 物理学 2024-10-29 Sudip Malick , Hanna Świątek , Joanna Bławat , John Singleton , Tomasz Klimczuk

An antiferromagnetic transition is observed in single crystal EuRh2As2 at a high temperature T_N = 47 K compared to the ferromagnetic Weiss temperature theta = 12 K. We show that this is, surprisingly, consistent with mean field theory. A…

强关联电子 · 物理学 2010-11-12 Yogesh Singh , Y. Lee , B. N. Harmon , D. C. Johnston

Magnetocaloric effect (MCE) was investigated in the single crystal of CsGd(MoO$_4$)$_2$ in the temperature range from 2 to 30 K and fields up to 5 T applied along the easy and hard magnetic axis. The analysis of specific heat and…

其他凝聚态物理 · 物理学 2017-09-05 V. Tkáč , A. Orendáčová , R. Tarasenko , M. Orendáč , A. Feher

We have investigated the magnetocaloric effect in single and polycrystalline samples of quantum paraelectric EuTiO3 by magnetization and heat capacity measurements. Single crystalline EuTiO3 shows antiferromagnetic ordering due to Eu2+…

材料科学 · 物理学 2016-03-30 A. Midya , P. Mandal , Km Rubi , Ruofan Chen , Jian-Sheng Wang , R. Mahendiran , G. Lorusso , M. Evangelisti

We report the electronic properties of R4PtAl (R = Ho, and Er), which contains 3 sites for R, by the measurements of magnetization (ac and dc), heat-capacity, transport, and magnetoresistance (MR). Dc magnetization data reveal…

We present a thorough study on the magnetoanisotropic properties and magnetocaloric effect in the layered ferromagnetic Cr$_4$Te$_5$ single crystals by performing the critical behaviour analysis of magnetization isotherms. The critical…

材料科学 · 物理学 2022-09-20 Shubham Purwar , Susmita Changdar , Susanta Ghosh , S. Thirupathaiah

We have investigated the magnetic and magnetocaloric properties of EuHo$_2$O$_4$ and EuDy$_2$O$_4$ by magnetization and heat capacity measurements down to 2 K. These compounds undergo a field-induced antiferromagnetic to ferromagnetic…

强关联电子 · 物理学 2012-09-27 A. Midya , N. Khan , D. Bhoi , P. Mandal

Considering certain interesting features in the previously reported 166Er Moessbauer effect and neutron diffraction data on the polycrystalline form of ErPd2Si2 crystallizing in ThCr2Si2-type tetragonal structure, we have carried out…

强关联电子 · 物理学 2009-11-13 E. V. Sampathkumaran , Niharika Mohapatra , Kartik K Iyer , C. D. Cao , W. Loeser , G. Behr

The crystal and magnetic structures of AlFe2B2 have been studied with a combination of X-ray and neutron diffraction and electronic structure calculations. The magnetic and magnetocaloric properties have been investigated by magnetisation…

It is found that the polycrystalline NdRu2Ge2 undergoes two successive magnetic transitions at Tt=10 K and TN=19 K. Evidence of metamagnetic transition is detected in the magnetization isotherm data in the antiferromagnetic regime.…

强关联电子 · 物理学 2015-06-11 Bibekananda Maji , K. G. Suresh , A. K. Nigam

The anisotropic magnetic properties of the antiferromagnetic compound CePd$_2$Ge$_2$, crystallizing in the tetragonal crystal structure have been investigated in detail on a single crystal grown by Czochralski method. From the electrical…

强关联电子 · 物理学 2015-06-16 Arvind Maurya , R. Kulkarni , S. K. Dhar , A. Thamizhavel

Single-crystalline UAu$_2$Si$_2$ has been grown by a floating-zone melting method, and its magnetic, thermal and transport properties have been investigated through measurements of magnetization, specific heat and electrical resistivity to…

We report on the crystal structure, physical properties, and electronic structure calculations for the ternary pnictide compound EuCr2As2. X-ray diffraction studies confirmed that EuCr2As2 crystalizes in the ThCr2Si2-type tetragonal…

超导电性 · 物理学 2014-05-06 U. B. Paramanik , R. Prasad , C. Geibel , Z. Hossain

The thermodynamic and electronic-transport properties of trigonal EuMg2Bi2 in ab-plane magnetic fields Hx and the A-type antiferromagnetic structure have recently been reported. At a temperature of 1.8 K < TN, the Eu magnetic moments with…

强关联电子 · 物理学 2022-12-05 Santanu Pakhira , Yongbin Lee , Liqin Ke , D. C. Johnston

We report the detailed study of the magnetocaloric effect (MCE) in a dipolar-Heisenberg magnet LiGdF$_4$ using magnetization measurements performed on a single crystal sample. Entropy variation on isothermal demagnetization from the…

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