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The nature of the magnetic transition, critical scaling of magnetization, and magnetocaloric effect in Mn$_{1+x}$Fe$_{4-x}$Si$_{3}$ ($ x =$ 0 to 1) are studied in detail. Our measurements show no thermal hysteresis across the magnetic…

Materials Science · Physics 2020-04-28 Vikram Singh , Pallab Bag , R. Rawat , R. Nath

We report on specific heat, high magnetic field transport and $ac-$susceptibility measurements on magnesium diboride single crystals. The upper critical field $H_{c2}$ for magnetic fields perpendicular and parallel to the Mg and B planes is…

Magnetocaloric performance of the RE$_{5}$Pd$_2$In$_4$ (RE = Tb-Tm) rare earth compounds has been investigated using measurements of magnetization in the function of temperature and applied magnetic field. The maximum magnetic entropy…

Materials Science · Physics 2024-02-29 Altifani Rizky Hayyu , Stanisław Baran , Andrzej Szytuła

We report the thermal expansion, critical behavior, magnetocaloric effect (MCE), and magnetoresistance ($MR$) on the polycrystalline Mn$_{1.4}$Fe$_{3.6}$Si$_{3}$ compound around the ferromagnetic transition. A large negative volume thermal…

Strongly Correlated Electrons · Physics 2021-08-11 Vikram Singh , R. Nath

SmCrO$_3$ single crystals were successfully grown utilizing the high-pressure optical floating-zone method and their crystal structure, magnetization behavior, and magnetic phase diagrams were thoroughly investigated. Magnetic studies were…

Strongly Correlated Electrons · Physics 2025-06-05 Ning Yuan , Erik Walendy , Nour Maraytta , Waldemar Hergett , Luca Bischof , Michael Merz , Rüdiger Klingeler

We study the magnetocaloric effect and critical behavior of Co$_2$Cr$_{1-x}$Mn$_x$Al ($x=$ 0.25, 0.5, 0.75) Heusler alloys across the ferromagnetic (FM) transition (T$_{\rm C}$). The Rietveld refinement of x-ray diffraction patterns exhibit…

Materials Science · Physics 2020-01-08 Priyanka Nehla , V. K. Anand , Bastian Klemke , Bella Lake , R. S. Dhaka

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…

Strongly Correlated Electrons · Physics 2015-06-16 Arvind Maurya , R. Kulkarni , S. K. Dhar , A. Thamizhavel

We present a theoretical analysis of the magnetocaloric effect in the frustrated antiferromagnet \Eu. Monte Carlo simulations indicate a large magnetic entropy change $\Delta S_M^{\text{max}} \sim 5.14$ J kg$^{-1}$K$^{-1}$ at $T=2.45$K for…

Strongly Correlated Electrons · Physics 2022-07-05 D. J. García , D. G. Franco , Pablo S. Cornaglia

The magnetocaloric effect in the quantum dipolar magnet Yb$_3$Ga$_5$O$_{12}$ is studied both for pure material and with non-magnetic substitution: (Yb$_{1-x}$Y$_x$)$_3$Ga$_5$O$_{12}$. Magnetization measurements have been performed on a…

Materials Science · Physics 2026-03-24 E. Riordan , E. Lhotel , N. -R. Camara , C. Marin , M. E. Zhitomirsky

The magnetocaloric effect in single crystalline Nd_{0.7}Sr_{0.3}MnO_{3} is investigated by measuring the field-induced adiabatic change in temperature which reveals a single negative peak around 130 K well below the Curie temperature…

We exploit the magnetic interlayer coupling in La0.7Sr0.3MnO3/SrRuO3 superlattices to realize a crossover between inverse and conventional magnetic entropy changes. Our data reveal a strong anisotropic nature of the magnetocaloric effect…

Materials Science · Physics 2010-09-16 S. Thota , Q. Zhang , F. Guillou , U. Luders , N. Barrier , W. Prellier , A. Wahl , P. Padhan

Effects of a single-ion anisotropy on magnetocaloric properties of selected spin-$s\geq 1$ antiferromagnetic Ising clusters with frustration-inducing triangular geometry are studied by exact enumeration. It is found that inclusion of the…

Statistical Mechanics · Physics 2021-12-14 Mariia Mohylna , Milan Žukovič

Temperature-dependent magnetization (M(T)) and specific heat (C_p(T)) measurements were carried out on single crystal Sm_{1.85}Ce_{0.15}CuO_{4-delta} (T_c = 16.5 K). The magnetic anisotropy in the static susceptibility, chi {equiv} M/H, is…

Superconductivity · Physics 2009-10-31 B. K. Cho , Jae Hoon Kim , Young Jin Kim , Beom-hoan O , J. S. Kim , G. R. Stewart

In-plane electrical transport properties of MgB2 single crystals grown under high pressure of 4-6 GPa and temperature of 1400-1700oC in Mg-B-N system have been measured. For all specimens we found sharp superconducting transition around…

Superconductivity · Physics 2009-11-07 Yu. Eltsev , S. Lee , K. Nakao , N. Chikumoto , S. Tajima , N. Koshizuka , M. Murakami

The anisotropy splitting in the ground state of the single-molecule magnet [Mn4O3Br(OAc)3(dbm)3] is studied by inelastic neutron scattering as a function of hydrostatic pressure. This allows a tuning of the anisotropy and thus the energy…

Strongly Correlated Electrons · Physics 2009-11-10 Andreas Sieber , Gregory Chaboussant , Roland Bircher , Colette Boskovic , Hans U. Guedel , George Christou , Hannu Mutka

We report a large entropy change (DeltaS) below 300 K, peaking near TC= 220 K, due to isothermal change of magnetic field, for Gd4Co3, with a refrigeration capacity higher than that of Gd. Notably, the isothermal magnetization is…

Strongly Correlated Electrons · Physics 2008-06-12 Niharika Mohapatra , Kartik K Iyer , E. V. Sampathkumaran

Magnetic anisotropy is crucial for sustaining long range magnetic order in two-dimensional materials (2D) and must be taken into account by any approximate scheme for calculating critical temperatures. While 2D ferromagnets have received…

Materials Science · Physics 2026-02-18 Varun Rajeev Pavizhakumari , Thomas Olsen

Detailed magnetization, specific heat, and $^7$Li nuclear magnetic resonance (NMR) measurements on single crystals of the hyperhoneycomb Kitaev magnet $\beta$-Li$_2$IrO$_3$ are reported. At high temperatures, {\cred anisotropy of the…

Strongly Correlated Electrons · Physics 2019-07-30 M. Majumder , F. Freund , T. Dey , M. Prinz-Zwick , N. Büttgen , Y. Skourski , A. Jesche , A. A. Tsirlin , P. Gegenwart

We report the results of ac and dc magnetic susceptibility (chi) and electrical resistivity (rho) measurements on the single crystals of Er2PdSi3, crystallizing in an AlB2-derived hexagonal structure, for two orientations H//[0001] and…

Strongly Correlated Electrons · Physics 2009-11-10 K. K. Iyer , P. L. Paulose , E. V. Sampathkumaran , M. Frontzek , A. Kreyssig , M. Doerr , M. Loewenhaupt , I. Mazilu , G. Behr , W. Loeser

The temperature dependent resistivity of Ba$_{1-x}$K$_x$Fe$_2$As$_2$ (x = 0.23, 0.25, 0.28 and 0.4) single crystals and the angle dependent resistivity of superconducting Ba$_{0.6}$K$_{0.4}$Fe$_2$As$_2$ single crystals were measured in…

Superconductivity · Physics 2009-11-13 Zhao-Sheng Wang , Hui-Qian Luo , Cong Ren , Hai-Hu Wen