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Monoclinic Y$_{0.7}$Er$_{0.3}$Fe$_2$D$_{4.2}$ compound exhibits unusual magnetic properties with different field induced magnetic transitions. The deuteride is ferrimagnetic at low temperature and the Er and Fe sublattices present magnetic…

Materials Science · Physics 2023-05-05 Z. Arnold , O. Isnard , V. Paul-Boncour

Using a combination of first-principles density functional theory (DFT) calculations and exact diagonalization studies of a first-principles derived model, we carry out a microscopic analysis of the magnetic properties of the half-metallic…

A comprehensive study of thermodynamic properties of three samples of bimetallic molecular magnets [Co$^{\mathrm{II}}$(pyrazole)$_{4}$]$_{2x}$[Fe$^{\mathrm{II}}$(pyrazole)$_{4}$]$_{2(1-x)}$[Nb$^{\mathrm{IV}}$(CN)$_{8}$]$\cdot$4H$_{2}$O with…

Materials Science · Physics 2021-12-21 R. Pełka , P. Konieczny , Y. Miyazaki , Y. Nakazawa , T. Wasiutyński , A. Budziak , D. Pinkowicz , B. Sieklucka

We present a study of the magnetoresistance, the specific heat and the magnetocaloric effect of equiatomic $RET$Mg intermetallics with $RE = {\rm La}$, Eu, Gd, Yb and $T = {\rm Ag}$, Au and of GdAuIn. Depending on the composition these…

Materials Science · Physics 2015-06-25 H. Hartmann , K. Berggold , S. Jodlauk , I. Klassen , K. Kordonis , T. Fickenscher , R. Poettgen , A. Freimuth , T. Lorenz

In this paper, we report on the magnetic and magnetocaloric features of Dy-substituted YMn$_2$O$_5$ (Y$_{1-x}$Dy$_x$Mn$_2$O$_5$) with $x=$ 0.6, 0.8, and 1 series elaborated by sol-gel method. X-ray diffraction and Raman measurements attest…

Materials Science · Physics 2024-01-04 H. Chouaibi , S. Mansouri , S. Aitjmal , M. Balli , O. Chdil , M. Abbasi Eskandari , S. H. Bukhari , P. Fournier

Magnetoresistance and magnetocaloric properties of polycrystalline HoRhGe have been studied. This compound orders antiferromagnetically with a Neel temperature (TN) of 5.5 K and undergoes a first order metamagnetic transition at 2 K. It…

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

Cost-effective materials are essential for large-scale deployment. The emerging magnetocaloric hydrogen liquefaction technology could transform the liquid hydrogen industry due to its potential in achieving higher efficiency. Most studies…

Materials Science · Physics 2025-11-05 Wei Liu , Benjamin Theisel , Yulia Klunnikova , Konstantin Skokov , Oliver Gutfleisch

Co$_{1-x}$Mn$_x$Cr$_2$O$_4$ crystallizes as a normal spinel in the cubic $Fd \overline{3}m$ space group, and the end members have been reported to display a region of collinear ferrimagnetism as well as a low-temperature spin-spiral state…

We have synthesized a nominal composition of Ni50Mn30Sn20 alloy using arc melting technique. Rietveld refinement confirms the austenite L21 structure in Fm-3m space group. Electrical resistivity has been found to clearly exhibiting two…

Strongly Correlated Electrons · Physics 2015-11-06 Ramesh Chandra Bhatt , R. S. Meena , H. Kishan , V. P. S. Awana , S. K. Agarwal

We report a systematic investigation of dc magnetization and ac susceptibility, as well as anisotropic magnetocaloric effect in bulk CrI$_3$ single crystals. A second-stage magnetic transition was observed just below the Curie temperature…

Strongly Correlated Electrons · Physics 2018-05-22 Yu Liu , C. Petrovic

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.…

Strongly Correlated Electrons · Physics 2015-06-11 Bibekananda Maji , K. G. Suresh , A. K. Nigam

Hybrid organometallic systems offer a wide range of functionalities, including magnetoelectric interactions. However, the ability to design on-demand ME coupling remains challenging despite a variety of host-guest configurations and ME…

Crystal structure, thermal and magnetic properties were systematically studied in the Y$_{1-x}$Pr$_x$CrO$_3$ with $0 \leq x \leq 0.3$ compositions. Magnetic susceptibility and specific heat measurements show an increase of the…

Materials Science · Physics 2018-02-08 A. Durán , R. Escamilla , R. Escudero , F. Morales , E. Verdín

We have studied the temperature dependence of crystal and magnetic structures of the Jahn-Teller distorted transition metal difluorides CrF$_2$ and CuF$_2$ by neutron powder diffraction in the temperature range 2-280 K. The lattice…

Strongly Correlated Electrons · Physics 2012-07-03 Tapan Chatterji , Thomas C. Hansen

We investigated magnetic and magnetocaloric properties in Sm1-xSrxMnO3 (x = 0.30-0.5). We report a magnetic field driven first-order metamagnetic transition in the paramagnetic state in x = 0.4 and 0.5 and a second-order transition in x =…

Materials Science · Physics 2009-11-13 A. Rebello , R. Mahendiran

The high temperature magnetic order in SrRu$_2$O$_6$ was studied by measuring magnetization and neutron powder diffraction with both polarized and unpolarized neutrons. SrRu$_2$O$_6$ crystallizes into the hexagonal lead antimonate…

Strongly Correlated Electrons · Physics 2019-08-17 W. Tian , C. Svoboda , M. Ochi , M. Matsuda , H. B. Cao , J. -G. Cheng , B. C. Sales , D. G. Mandrus , R. Arita , N. Trivedi , J. -Q. Yan

We have observed the magnetoelectric response at room temperature and above in high-resistive ceramics made of multiferroic Pb(Fe1/2Nb1/2)O3 (PFN) and PFN-based solid solution 0.91PFN-0.09PbTiO3 (PFN-PT). The value of the…

Off-stoichiometric Ni$_2$MnIn Heusler alloys have drawn recent attention due to their large magnetocaloric entropy change associated with the first-order magneto-structural transition. Here we present crystal structural, calorimetric and…

Magnetic and magnetoelastic properties of terbium titanate pyrochlore in paramagnetic phase are simulated. The magnetic field and temperature dependences of magnetization and forced magnetostriction in Tb2Ti2O7 single crystals and…

Strongly Correlated Electrons · Physics 2011-10-27 V. V. Klekovkina , A. R. Zakirov , B. Z. Malkin , L. A. Kasatkina

The influence of YBa2Cu3O4 (YBCO) superconductor layer (S-layer) with varying thickness d-YBCO = 20 to 50 nm on the magnetic coupling between two La0.67Ca0.33MnO3 (LCMO) ferromagnet layers (F-layer, thickness d-LCMO = 50 nm) in F/S/F…

Superconductivity · Physics 2016-11-23 Rajni Porwal , Anurag Gupta , R. C. Budhani