English
Related papers

Related papers: Magnetocaloric effect for the altermagnetic candid…

200 papers

Altermagnets are a novel type of magnetic system that has a spin-polarised electric band structure in the absence of a net magnetic moment, leading to exciting prospects in potential device applications. Hexagonal MnTe, a prototypical…

The magnetocaloric effect is the isothermal change of magnetic entropy and the adiabatic temperature change induced in a magnetic material when an external magnetic field is applied. In this work, we present an experimental setup to study…

Strongly Correlated Electrons · Physics 2015-05-30 Yamila Rotstein Habarnau , Pablo Bergamasco , Joaquin Sacanell , Gabriela Leyva , Cecilia Albornoz , Mariano Quintero

The presence of a quantum critical point (QCP) can significantly affect the thermodynamic properties of a material at finite temperatures T. This is reflected, e.g., in the entropy landscape S(T, r) in the vicinity of a QCP, yielding…

Strongly Correlated Electrons · Physics 2015-05-20 B. Wolf , Y. Tsui , D. Jaiswal-Nagar , U. Tutsch , A. Honecker , K. Removic-Langer , G. Hofmann , A. Prokofiev , W. Assmus , G. Donath , M. Lang

Magnetic and heat capacity measurements have been carried out on the polycrystalline sample of DyNi which crystallizes in the orthorhombic FeB structure (space group Pnma). This compound is ferromagnetic with a Curie temperature of 59 K.…

Strongly Correlated Electrons · Physics 2009-11-11 S. K. Tripathy , K. G. Suresh , R. Nirmala , A. K. Nigam , S. K. Malik

EuRhAl4Si2, crystallizes in tetragonal crystal structure and orders antiferromagnetically at ~12 K. The isothermal magnetization along the two principle directions is highly anisotropic despite Eu2+ being an S-state ion. The variation of…

Strongly Correlated Electrons · Physics 2017-05-18 Arvind Maurya , A. Thamizhavel , P. Bonville , S. K. Dhar

The ground state, zero-temperature magnetization process, critical behaviour and isothermal entropy change of the mixed-spin Ising model on a decorated triangular lattice in a magnetic field are exactly studied after performing the…

Statistical Mechanics · Physics 2018-04-30 Lucia Galisova , Jozef Strecka

We report a giant magnetocaloric effect near room temperature in an off-stoichiometric Mn-Co-Ge alloy, across the magnetostructural transition. The isothermal entropy change accompanying this transition has a peak value of nearly 40 J/kg-K…

Materials Science · Physics 2016-12-21 V. K. Sharma , M. A. Manekar , Himanshu Srivastava , S. B. Roy

The critical properties and magnetocaloric effect of semiconducting ferrimagnet Mn$_3$Si$_2$Te$_6$ single crystals have been investigated by bulk magnetization and heat capacity around $T_c$. Critical exponents $\beta = 0.41\pm0.01$ with a…

Strongly Correlated Electrons · Physics 2018-08-30 Yu Liu , C. Petrovic

The thermodynamic and magnetocaloric properties of a generalized spin-$(1/2,s)$ Fisher's super-exchange antiferromagnet are exactly investigated by using the decoration-iteration mapping transformation. Besides the critical temperature,…

Statistical Mechanics · Physics 2016-10-12 Lucia Galisova

We report proof-of-concept measurements of the magnetocaloric effect (MCE) in ultrahigh magnetic fields up to 120 T for the classical spin-ice compound Ho$_{2}$Ti$_{2}$O$_{7}$. Radio-frequency resistivity measurements using an…

Strongly Correlated Electrons · Physics 2026-03-10 Reon Ogawa , Masaki Gen , Kazuyuki Matsuhira , Yoshimitsu Kohama

The isothermal entropy change and the adiabatic temperature change for the exactly solved spin-1/2 Fisher's super-exchange antiferromagnet are rigorously calculated in order to examine magnetocaloric properties of the model in a vicinity of…

Statistical Mechanics · Physics 2023-07-19 Lucia Galisova , Jozef Strecka

The multicaloric effect, which represents the reversible entropy change that occurs when both external magnetic and electric fields are applied, is an interesting phenomenon characteristic to multiferroics. Targeting the multicaloric effect…

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…

The magnetocaloric effect in RE$_{11}$Co$_4$In$_9$ (RE = Tb, Er) has been studied by means of magnetometric measurements in the function of temperature and applied magnetic field. The maximum magnetic entropy change ($-\Delta…

Materials Science · Physics 2022-02-21 Stanisław Baran , Altifani Rizky Hayyu , Yuriy Tyvanchuk , Andrzej Szytuła

The rotating magnetocaloric effect (RMCE) induced by self-demagnetization has been investigated in the giant magnetocaloric effect (GMCE) material Gd$_5$Si$_2$Ge$_2$. This shape-dependent effect had thus far only been reported in pure Gd,…

Layered van der Waals ferromagnets are promising candidates for designing new spintronic devices. Here we investigated the critical properties and magnetocaloric effect connected with ferromagnetic transition in layered van der Waals VI$_3$…

Materials Science · Physics 2020-01-15 Yu Liu , Milinda Abeykoon , C. Petrovic

The magnetocaloric effect in exchange-coupled synthetic-antiferromagnet multilayers is investigated experimentally and theoretically. We observe a temperature-controlled inversion of the effect, where the entropy increases on switching the…

Mesoscale and Nanoscale Physics · Physics 2021-09-17 D. M. Polishchuk , M. Persson , M. M. Kulyk , E. Holmgren , G. Pasquale , A. Ullah , R. Skomski , V. Korenivski

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

Systematically magnetic and magnetothermal measurements at temperatures down to 2 K and magnetic fields up to 13.5 Tesla for Gd(OH)3 Single Crystal Nanowires - Quasi-1D Large Spin (S = -7/2) Chain Antiferromagnet have been conducted. We…

Materials Science · Physics 2012-07-16 R. Zeng , C. F. Zhang , J. C. Debnath , P. Shamba , J. L. Wang , Z. X. Chen , Z. P. Guo , S. X. Dou

The magnetocaloric effect of polycrystalline samples of pure and Y-doped dipolar spin ice Dy2Ti2O7 was investigated at temperatures from nominally 0.3 K to 6 K and in magnetic fields of up to 2 T. As well as being of intrinsic interest, it…

Soft Condensed Matter · Physics 2015-06-25 M. Orendac , J. Hanko , E. Cizmar , A. Orendacova , M. Shirai , S. T. Bramwell