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Magnetocaloric effect (MCE) in TbCo2-xFex has been studied by dc magnetization measurements.On substituting Fe in TbCo2, not only the magnetic transition temperature is tuned to room temperature, but also the operating temperature range for…

Materials Science · Physics 2011-07-07 Madhumita Halder , S. M. Yusuf , M. D. Mukadam , K. Shashikala

From a systematic study of the electrical resistivity $\rho(T,H)$, magnetic susceptibility $\chi(T,H)$, isothermal magnetization $M(H)$ and the specific heat $C(T,H)$, a temperature-magnetic field ($T$-$H$) phase diagram has been…

Strongly Correlated Electrons · Physics 2015-03-04 T. Shang , Y. H. Chen , F. Ronning , N. Cornell , J. D. Thompson , A. Zakhidov , M. B. Salamon , H. Q. Yuan

Recent observation of intrinsic ferromagnetism in two-dimensional (2D) CrI$_3$ is associated with the large magnetic anisotropy due to strong spin-orbit coupling (SOC) of I. Magnetic anisotropy energy (MAE) defines the stability of…

Mesoscale and Nanoscale Physics · Physics 2018-10-10 Lucas Webster , Jia-An Yan

On the basis of a first-principles, relativistic electronic structure theory of finite temperature metallic magnetism, we investigate the variation of magnetic anisotropy, K, with magnetisation, M, in metallic ferromagnets. We apply the…

Materials Science · Physics 2009-11-10 J. B. Staunton , S. Ostanin , S. S. A. Razee , B. L. Gyorffy , L. Szunyogh , B. Ginatempo , Ezio Bruno

We report anisotropic dc magnetic susceptibility $\chi(T)$, electrical resistivity $\rho(T)$, and heat capacity $C(T)$ measurements on the single crystals of CaFe$_{2-x}$Co$_x$As$_2$ for $x$ = 0 and 0.06. Large sized single crystals were…

Superconductivity · Physics 2009-11-13 Neeraj Kumar , R. Nagalakshmi , R. Kulkarni , P. L. Paulose , A. K. Nigam , S. K. Dhar , A. Thamizhavel

We report the magnetocaloric effect (MCE) in a polycrystalline plumbide sample of $\mathrm{Ho_2Pd_2Pb}$. Arc-melted $\mathrm{Ho_2Pd_2Pb}$ crystallizes in $\mathrm{Mo_2B_2Fe}$ type of tetragonal crystal structure and shows an…

Strongly Correlated Electrons · Physics 2021-09-21 Baidyanath Sahu , R. Djoumessi Fobasso , Buyisiwe M Sondezi , Andre M. Strydom

In this paper we explore the magnetocaloric effect (MCE) of chromium-doped elpasolite Cs$_2$NaAl$_{1-x}$Cr$_x$F$_6$ (x = 0.01 and 0.62) single crystals. Our magnetization and heat capacity data show the magnetocaloric potentials to be…

The critical properties at the ferromagnetic - paramagnetic transition have been analysed from data of static magnetization measurements on single crystals of Pr1-xPbxMnO3, for x = 0.23 and x = 0.30. In Pr1-xPbxMnO3 the ferromagnetic…

Strongly Correlated Electrons · Physics 2015-06-25 B. Padmanabhan , H. L. Bhat , Suja Elizabeth , Sahana Roessler , U. K. Roessler , K. Doerr , K. H. Mueller

The angular and temperature dependence of the upper critical field Hc2 in MgB2 was determined from torque magnetometry measurements on single crystals. The Hc2 anisotropy gamma_H was found to decrease with increasing temperature, in…

Superconductivity · Physics 2009-11-07 M. Angst , R. Puzniak , A. Wisniewski , J. Roos , H. Keller , P. Miranovic , J. Jun , S. M. Kazakov , J. Karpinski

Angular-dependent magnetic torque measurements performed near the critical temperature on single crystals of HgBa_{2}CuO_{4+y}, La_{2-x}Sr{x}CuO_{4}, and YBa_{2}Cu_{3}O_{6.93} are scaled, following the 3D XY model, in order to determine the…

Superconductivity · Physics 2009-10-31 J. Hofer , T. Schneider , J. M. Singer , M. Willemin , H. Keller , T. Sasagawa , K. Kishio , K. Conder , J. Karpinski

We report the magnetic, thermal, magnetocaloric and transport properties of polycrystalline NdCuSi. The compound shows a weak antiferromagnetic ordering, as confirmed by different measurements. Arrott plots indicate that the magnetic phase…

Strongly Correlated Electrons · Physics 2019-09-19 Sachin Gupta , K. G. Suresh1 , A. K. Nigam

The temperature and angle dependent resistivity of Ba(Fe$_{0.75}$Ru$_{0.25}$)$_2$As$_2$ single crystals were measured in magnetic fields up to 14 T. The temperature dependent resistivity with the magnetic field aligned parallel to c-axis…

Superconductivity · Physics 2012-12-27 Jie Xing , Bing Shen , Bin Zeng , Jianzhong Liu , Xiaxin Ding , Zhihe Wang , Huan Yang , Hai-Hu Wen

Large magnetocaloric effect has been observed in Mn3O4 around its ferrimagnetic transition at TN = 42.75 K. Field-induced isothermal entropy changes (\DeltaS) were derived from both magnetic and calorimetric techniques. The maximum…

Materials Science · Physics 2011-03-04 S. Thota , F. Guillou , V. Hardy , A. Wahl , W. Prellier , J. Kumar

The three dimensional anisotropic XY ferromagnet has been studied by Monte Carlo simulation. The ferro-para phase transition has been observed to take place at a lower temperature for impure anisotropic XY ferromagnet. The pseudocritical…

Statistical Mechanics · Physics 2024-04-15 Olivia Mallick , Muktish Acharyya

Low-temperature magnetization processes and magnetocaloric properties of a geometrically frustrated spin-1 Blume-Capel model on a triangular lattice are studied by Monte Carlo simulations. The model is found to display qualitatively…

Statistical Mechanics · Physics 2015-06-17 M. Žukovič , A. Bobák

LaCrGe$_3$ is an itinerant, metallic ferromagnet with a Curie temperature ($T_C$) of $\sim$ 86 K. Whereas LaCrGe$_3$ has been studied extensively as a function of pressure as an example of avoided ferromagnetic quantum criticality,…

Strongly Correlated Electrons · Physics 2023-05-10 M. Xu , S. L. Bud'ko , R. Prozorov , P. C. Canfield

The magnetic behavior of single-crystal Ho$_2$PdSi$_3$, crystallizing in an AlB$_2$-derived hexagonal structure, is investigated by magnetic susceptibility ($\chi$) and electrical resistivity ($\rho$) measurements along two directions.…

Strongly Correlated Electrons · Physics 2009-11-07 E. V. Sampathkumaran , H. Bitterlich , K. K. Iyer , W. Löser , G. Behr

We report growth of high-quality single crystals of CeCl3 using a modified Bridgman Stockbarger method in an infrared image furnace. The grown crystals are characterized using single-crystal/powder X-ray diffraction, Laue X-ray diffraction,…

Strongly Correlated Electrons · Physics 2024-07-03 Nashra Pistawala , Suman Karmakar , Rajeev Rawat , Surjeet Singh

The influence of low-level Pr substitution in Y1-xPrxBa2Cu3O(7-delta) single crystals on the anisotropy of the superconducting state parameters was investigated by torque magnetometry in magnetic fields of up to 9 T. An averaged anisotropy…

Superconductivity · Physics 2010-04-23 A. Kortyka , R. Puzniak , A. Wisniewski , M. Zehetmayer , H. W. Weber , Y. Q. Cai , X. Yao

Single crystals of EuPtSi$_3$, which crystallize in the BaNiSn$_3$-type crystal structure, have been grown by high temperature solution growth method using molten Sn as the solvent. EuPtSi$_3$ which lacks the inversion symmetry and has only…

Strongly Correlated Electrons · Physics 2011-12-22 Neeraj Kumar , S. K. Dhar , P. Manfrinetti , P. Bonville , A. Thamizhavel