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相关论文: Large Magnetic-Field-Induced Strain at the Magneti…

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Ferromagnetic Ni2MnGa-based alloys play an important role in technological fields, such as smart actuators, magnetic refrigeration and robotics. The possibility of obtaining large non-contact deformation induced by an external perturbation…

Sintered samples of a spinel oxide LiFeCr4O8, where Cr3+ and Fe3+ ions have localized moments, were found to show a large magnetic-field-induced volume increase approaching 500 ppm by applying a magnetic field of 9 T. This large volume…

材料科学 · 物理学 2022-01-31 Yoshihiko Okamoto , Tomoya Kanematsu , Yuki Kubota , Takeshi Yajima , Koshi Takenaka

Sintered samples of Cr3Te4 and Cr2Te3 are found to show large strains accompanied by large volume changes under a magnetic field. In Cr3Te4, volume increases of deltaV/V = 500-1170 ppm by applying a magnetic field of 9 T are observed over…

57Fe Mossbauer spectroscopy was used to perform a microscopic study on the extremely pressure and strain sensitive compound, CaFe2As2, with different degrees of strain introduced by grinding and annealing. At the base temperature, in the…

材料科学 · 物理学 2015-08-13 Xiaoming Ma , Sheng Ran , Paul C. Canfield , Sergey L. Bud'ko

We investigate the effects of strain on antiferromagntic (AFM) single crystal thin films of La$_{1-x}$Sr$_{x}$MnO$_{3}$ (x = 0.6). Nominally unstrained samples have strong magnetoresistance with anisotropic magnetoresistances (AMR) of up to…

强关联电子 · 物理学 2014-09-01 A. T. Wong , C. Beekman , H. Guo , W. Siemons , Z. Gai , E. Arenholz , Y. Takamura , T. Z. Ward

We present the results of electrical resistivity, ac specific heat, magnetic susceptibility, X-ray absorption spectroscopy (XAS) and X-ray magnetic circular dichroism (XMCD) of the ternary iron arsenide EuFe2As2 single crystal under…

Thermal expansion, magnetostriction and magnetization measurements under magnetic field and hydrostatic pressure were performed on a $\mathrm{UAu_{2}Si_{2}}$ single crystal. They revealed a large anisotropy of magnetoelastic properties…

In order to gain insights into the origin of colossal magneto-resistance (CMR) in manganese oxides, we performed a ^{139}La NMR study in the double-layered compound La_{1.2}Sr_{1.8}Mn_2O_7. We find that above the Curie temperature T_C=126…

强关联电子 · 物理学 2009-11-11 Y. Shiotani , J. L. Sarrao , Guo-qing Zheng

The metamagnetic transition between the antiferromagnetic and paramagnetic state in UIrGe has been studied at various temperatures by magnetization, heat capacity and magnetocaloric-effect measurements on a single crystal in static and…

The ground state of the stacked triangular antiferromagnet CsFeBr$_3$ is a spin singlet due to the large single ion anisotropy $D(S^z)^2$. The field-induced magnetic ordering in this compound was investigated by the magnetic susceptibility,…

强关联电子 · 物理学 2009-11-07 Y. Tanaka , H. Tanaka , T. Ono , A. Oosawa , K. Morishita , K. Iio , T. Kato , H. Aruga Katori , M. Bartashevich , T. Goto

The temperature evolution of the crystal and magnetic structures of ferroelectric sulfide AgCrS2 have been investigated by means of neutron scattering. AgCrS2 undergoes at TN = 41.6 K a first-order phase transition, from a paramagnetic…

A study of the antiferromagnet CeRh$_2$Si$_2$ by torque, magnetostriction, and transport in pulsed magnetic fields up to 50 Tesla and by thermal expansion in static fields up to 13 Tesla is presented. The magnetic field-temperature phase…

强关联电子 · 物理学 2010-03-16 W. Knafo , D. Aoki , D. Vignolles , B. Vignolle , Y. Klein , C. Jaudet , A. Villaume , C. Proust , J. Flouquet

Quantum fluctuations in the effective spin one-half layered structure triangular-lattice quantum Heisenberg antiferromagnet Ba$_3$CoSb$_2$O$_9$ lift the classical degeneracy of the antiferromagnetic ground state in magnetic field, producing…

强关联电子 · 物理学 2021-06-02 N. A. Fortune , Q. Huang , T. Hong , J. Ma , E. S. Choi , S. T. Hannahs , Z. Y. Zhao , X. F. Sun , Y. Takano , H. D. Zhou

The high magnetic field behaviour of the triangular lattice antiferromagnet CuFeO_2 is studied using single crystal neutron diffraction measurements in a field of up to 14.5 T and also by magnetisation measurements in a field of up to 12 T.…

强关联电子 · 物理学 2009-10-31 O. A. Petrenko , G. Balakrishnan , M. R. Lees , D. McK Paul , A. Hoser

We report low-temperature $^{115}$In nuclear magnetic resonance (NMR) study of the prototypical heavy-fermion compound CeIrIn$_5$ in high magnetic fields applied close to the crystallographic $c$ axis. For this orientation, a field-induced…

强关联电子 · 物理学 2026-04-30 Y. Tokunaga , M. -T. Suzuki , S. Krämer , H. Sakai , S. Kambe , H. Harima , D. Aoki , M. Horvatić , I. Sheikin

Low temperature ac magnetic susceptibility measurements of the coexistent antiferromagnetic superconductor YbPd2Sn have been made in hydrostatic pressures < 74 kbar in moissanite anvil cells. The superconducting transition temperature is…

CuCrO2 offers insights into the different types of spiral magnetic orderings that can form spontaneously due to frustration in triangular-lattice antiferromagnets. We explore the magnetic phase diagram up to 65 T along all the principle…

材料科学 · 物理学 2015-06-18 Eundeok Mun , M. Frontzek , A. Podlesnyak , G. Ehlers , S. Barilo , S. V. Shiryaev , Vivien S. Zapf

The nature of the magnetic transition of the half-filled triangular antiferromagnet Ag$_{2}$NiO$_2$ with $T_{\rm N}$=56K was studied with positive muon-spin-rotation and relaxation ($\mu^+$SR) spectroscopy. Zero field $\mu^+$SR measurements…

强关联电子 · 物理学 2007-05-23 J. Sugiyama , Y. Ikedo , K. Mukai , J. H. Brewer , E. J. Ansaldo , G. D. Morris , K. H. Chow , H. Yoshida , Z. Hiroi

We report the high-field induced magnetic phases and phase diagram of a high quality \urxrs~single crystal prepared using a modified Czochralski method. Our study, that combines high-field magnetization and electrical resistivity…

强关联电子 · 物理学 2019-01-08 K. Prokes , T. Förster , Y. -K. Huang , J. A. Mydosh

We investigate magnetic ordering in metallic Ba[Fe(1-x)Mn(x)](2)As(2) and discuss the unusual magnetic phase, which was recently discovered for Mn concentrations x > 10%. We argue that it can be understood as a Griffiths-type phase that…

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