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相关论文: Magnetism of Sigma-Phase Fe68V32 Compound

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We report the magnetization, specific heat and transport measurements of high quality Na$_{0.85}$CoO$_2$ single crystals in applied magnetic fields up to 14T. In high temperatures, the system is in a paramagnetic phase. It undergoes a…

超导电性 · 物理学 2009-11-10 J. L. Luo , N. L. Wang , G. T. Liu , D. Wu , X. N. Jing , F. Hu , T. Xiang

We measured the magnetic susceptibilities of Cu$_6$Ge$_6$O$_{18}$-xH$_2$O ($x = 0 \sim 6$). Susceptibility above the antiferromagnetic (AF) transition temperature ($T_{\rm N}$) agrees with susceptibility of the one-dimensional Heisenberg $S…

强关联电子 · 物理学 2007-05-23 Masashi Hase , Kiyoshi Ozawa , Norio Shinya

The first successful measurements of a sub-lattice magnetism with 51V NMR techniques in the sigma-phase Fe(100-x)Vx alloys with x = 34.4, 39.9 and 47.9 are reported. Vanadium atoms present on all five crystallographic sites are magnetic.…

材料科学 · 物理学 2015-05-13 S. M. Dubiel , J. R. Tozoni , J. Cieslak , D. C. Braz , E. L. G. Vidoto , T. J. Bonagamba

In this paper, specific features of Sm magnetism in an intermetallic compound have been studied. For this purpose, a high-quality single crystal of SmPd2Al3 was grown and subjected to detailed measurements of specific heat, magnetization,…

强关联电子 · 物理学 2010-01-26 J. Pospisil , M. Kratochvilova , J. Prokleska , M. Divis , V. Sechovsky

The magnetic phase diagram of PrOs$_4$Sb$_{12}$ has been investigated by specific heat measurements between 8 and 32 T. A new Schottky anomaly due to excitations between two lowest crystalline-electric-field (CEF) singlets, has been found…

强关联电子 · 物理学 2009-11-10 C. R. Rotundu , H. Tsujii , Y. Takano , B. Andraka , H. Sugawara , Y. Aoki , H. Sato

The low-temperature magnetic phase diagram of the multiferroic system FeTe$_2$O$_5$Br down to 300 mK and up to 9 T is presented. Short-range magnetic correlations within the crystal layers start to develop already at $\sim$50 K, i.e., far…

强关联电子 · 物理学 2015-05-19 M. Pregelj , A. Zorko , O. Zaharko , Z. Kutnjak , M. Jagodič , Z. Jagličić , H. Berger , M. de Souza , C. Balz , M. Lang , D. Arčon

The $H$--$T$ phase diagram of UTe$_2$ for magnetic field along the hard $b$ axis contains an unresolved internal boundary near $\mu_0H \sim 14$--15~T, previously inferred from ac susceptibility and transport experiments but lacking…

We employ the dynamical mean field approximation to perform a systematic study of magnetism in Ga_{1-x}Mn_xAs. Our model incorporates the effects of the strong spin-orbit coupling on the J=3/2 GaAs valence bands and of the exchange…

强关联电子 · 物理学 2007-05-23 K. Aryanpour , J. Moreno , M. Jarrell , R. S. Fishman

The nature of the Griffiths phase in three-dimensional Ising random magnet Ni_{p}Mg_{1-p}(OH)_{2} (p = 0.10, 0.25, 0.315, 0.50, 0.80, and 1) is studied from the measurements of absorption (the out-of phase in AC magnetic susceptibility) in…

无序系统与神经网络 · 物理学 2009-10-16 Masatsugu Suzuki , Itsuko S. Suzuki

We study numerically the paramagnetic phase of the spin-1/2 random transverse-field Ising chain, using a mapping to non-interacting fermions. We extend our earlier work, Phys. Rev. 53, 8486 (1996), to finite temperatures and to dynamical…

无序系统与神经网络 · 物理学 2009-10-30 A. P. Young

Magnetization, x-ray diffraction and specific-heat measurements reveal that SmCoAsO undergoes three magnetic phase transitions. A ferromagnetic transition attributed to the Co ions, emerges at TC=57 K with a small saturation moment of…

超导电性 · 物理学 2015-05-18 V. P. S. Awana , I. Nowik , Anand Pal , K. Yamaura , E. Takayama-Muromachi , I. Felner

We investigate the physical properties of high-quality single crystals CeGaGe and PrGaGe using magnetization, heat capacity, and magnetotransport measurements. Gallium-indium binary flux was used to grow these single crystals that…

强关联电子 · 物理学 2024-01-30 Daloo Ram , Sudip Malick , Zakir Hossain , Dariusz Kaczorowski

We have studied the anti-ferromagnetic Kitaev model on a honeycomb lattice under the Zeeman field, using an extensive Majorana mean-field analysis. When the magnetic field is along a specific Cartesian axis, we find that the emergent fields…

强关联电子 · 物理学 2026-03-04 Sheikh Moonsun Pervez

We report the observation of multiple magnetic transitions in single crystals of EuPtAs using magnetization, transport, and thermodynamic measurements. EuPtAs crystallizes in the noncentrosymmetric tetragonal LaPtSi-type structure (space…

材料科学 · 物理学 2021-12-01 W. Xie , S. S. Luo , H. Su , X. Y. Zheng , Z. Y. Nie , M. Smidman , T. Takabatake , H. Q. Yuan

In this paper we investigate the magnetic properties of heavy fermions in the antiferromagnetic and dense Kondo phases in the framework of the Kondo necklace model. We use a mean field renormalization group approach to obtain a temperature…

强关联电子 · 物理学 2009-11-07 Tatiana G. Rappoport , M. A. Continentino

Kitaev magnets have emerged as pivotal systems for investigating frustrated magnetism, providing a unique platform to explore quantum phases governed by the interplay between bond-dependent anisotropy and external magnetic fields. However,…

强关联电子 · 物理学 2026-01-13 Shuai Liu , Hao Wu , Jinbin Li , Xiaoqun Wang , Qiang Luo

Studied 100-atm O2-annealed RuSr2Gd1.5Ce0.5Cu2O10 (Ru-1222) compound crystallized in a tetragonal I4/mmm space group crystal structure. Thermo-gravemetric (TG) analysis of the compound showed the release of oxygen and breaking to metallic…

超导电性 · 物理学 2009-11-07 V. P. S. Awana , E. Takayama-Muromachi , M. Karppinen , H. Yamauchi

We present a comprehensive study aimed at elucidating the complex magnetic correlations in Co$_2$TiSi$_{0.5}$Al$_{0.5}$ Heusler alloy having the partial B2-type structure amid L2$_1$ cubic main phase. The thermo-magnetization measurements…

强关联电子 · 物理学 2024-08-26 Priyanka Yadav , Brajesh K. Mani , Rajendra S. Dhaka

The ferromagnetic phase transition in LaMnO3.14 is investigated by measuring the dc magnetization as a function of magnetic field and temperature. Modified Arrott plot and Kouvel Fisher analysis yield estimates for the critical exponents…

统计力学 · 物理学 2009-10-31 R. S. Freitas , C. Haetinger , P. Pureur , J. A. Alonso , L. Ghivelder

We propose an analytical approach to SU(2) Yang-Mills thermodynamics. The existence of a macroscopic and rigid adjoint Higgs field, generated by dilute trivial-holonomy calorons at large temperature $T$ (electric phase), implies a twofold…

高能物理 - 唯象学 · 物理学 2017-08-23 Ralf Hofmann
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