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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 have studied the magnetocaloric effect (MCE) in the shape-memory Heusler alloy Ni$_{50}$Mn$_{35}$In$_{15}$ by direct measurements in pulsed magnetic fields up to 6 and 20 T. The results in 6 T are compared with data obtained from…

Materials Science · Physics 2015-02-23 M. Ghorbani Zavareh , C. Salazar Mejía , A. K. Nayak , Y. Skourski , J. Wosnitza , C. Felser , M. Nicklas

We study the magnetocaloric effect for the integrable antiferromagnetic high-spin chain. We present an exact computation of the Gr\"uneisen parameter, which is closely related to the magnetocaloric effect, for the quantum spin-s chain on…

Statistical Mechanics · Physics 2011-09-19 G. A. P. Ribeiro

We investigate the magnetocaloric effect (MCE), relative cooling power (RCP) and crystalline structure in Sb substituted CrTe_{1-x}Sb_{x} (0 \leq x \leq 0.2) alloy. The Rietveld refinement of the XRD pattern of CrTe1-xSbx showed the…

Strongly Correlated Electrons · Physics 2020-07-01 M. Kh. Hamad , E. Martinez-Teran , Yazan Maswadeh , Rami Hamad , E. G. Al-Nahari , A. A. El-Gendy , Kh. A. Ziq

Finite temperature effects in electromagnetic transitions in nuclei contribute to many aspects of nuclear structure and astrophysically relevant nuclear reactions. While electric dipole transitions have already been extensively studied, the…

Nuclear Theory · Physics 2023-10-16 Amandeep Kaur , Esra Yüksel , Nils Paar

Transition metal telluride compositions are explored extensively for their unique magnetic behavior. Since chromium telluride (Cr2Te3) exhibits a near-room-temperature phase transition, the material can be effectively used in applications…

Designing the high performance magneto or elastocaloric effect in NiMnIn alloys with spin-lattice coupling in a deep freezing temperature range of 200 K to 255 K is challenging due to the limited lattice entropy change and large negative…

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

Strongly Correlated Electrons · Physics 2015-05-28 R. Jafari

Three first order magnetic phase transitions (FOMT) have been detected at TCPr, TNinter and TCinter over the temperature range from 5 K to 340 K at fields up to 9 T in PrMn1.4Fe0.6Ge2, and the magnetocaloric effect (MCE) around these…

Materials Science · Physics 2008-09-01 R. Zeng , J. L Wang , L. Lu , W. X. Li , S. J. Campbell , S. X. Dou

The magnetocaloric effect (MCE) in many rare earth (RE) based intermetallic compounds has been extensively investigated during last two decades, not only due to their potential applications for magnetic refrigeration but also for better…

Materials Science · Physics 2016-01-18 Lingwei Li

The large magnetocaloric effect (MCE), which accompanies the first order ferromagnetic/anti-ferromagnetic transition in CsCl-ordered Fe-Rh alloys, has been investigated by measurements in slowly cycled magnetic fields of up to 2 T in…

Materials Science · Physics 2016-05-12 V. I. Zverev , A. M. Saletskij , R. R. Gimaev , A. M. Tishin , T. Miyanaga , J. B. Staunton

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

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

We investigate the specific heat, $c$, near an Ising nematic quantum critical point (QCP), using sign problem-free quantum Monte Carlo simulations. Cooling towards the QCP, we find a broad regime of temperature where $c/T$ is close to the…

Strongly Correlated Electrons · Physics 2021-07-16 Ori Grossman , Johannes S. Hofmann , Tobias Holder , Erez Berg

Magnetocaloric effect (MCE), magnetization, specific heat, and magnetostriction measurements were performed in both pulsed and steady high magnetic fields to investigate the magnetocaloric properties of Heusler alloys Ni50-xCoxMn31.5Ga18.5…

Materials Science · Physics 2021-03-24 T. Kihara , T. Roy , X. Xu , A. Miyake , M. Tsujikawa , H. Mitamura , M. Tokunaga , Y. Adachi , T. Eto , T. Kanomata

A remarkable decrease of the structural transition temperature of MnNiSi from 1200 K to <300 K by chemically alloying it with MnFeGe results in a coupling of the magnetic and structural transitions, leading to a large magnetocaloric effect…

The spin-1/2 Ising octahedron and dodecahedron with a unique antiferromagnetic interaction display an outstanding magnetization jump at zero magnetic field, which consequently leads to a giant magnetocaloric effect during the adiabatic…

Statistical Mechanics · Physics 2018-01-26 K. Karlova , J. Strecka , T. Madaras

The magnetocaloric effect enables magnetic refrigeration and plays an important role for cooling at cryogenic temperatures, which is essential for emergent technologies such as hydrogen liquefaction and quantum computing. Here, we study the…

Magneto-caloric effects (MCEs) measurement system in adiabatic condition is proposed to investigate the thermodynamic properties in pulsed magnetic fields up to 55 T. With taking the advantage of the fast field- sweep rate in pulsed field,…

Materials Science · Physics 2019-02-26 T. Kihara , Y. Kohama , Y. Hashimoto , S. Katsumoto , M. Tokunaga

The magneto-caloric effect (MCE), which is the refrigeration based on the variation of the magnetic entropy, is of great interest in both technological applications and fundamental research. The MCE is quantified by the magnetic Gr\"uneisen…

Strongly Correlated Electrons · Physics 2019-09-04 Gabriel Gomes , Lucas Squillante , A. C. Seridonio , Andreas Ney , Roberto E. Lagos , Mariano de Souza