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Related papers: Multiple spin-flop phase diagram of BaCu2Si2O7

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A spin model of LiCu2O2 compound with ground state of ellipsoidal helical structure has been adopted. Taking into account the interchain coupling and exchange anisotropy, we focus on the magnetoelectric properties in a rotating magnetic…

Materials Science · Physics 2015-06-18 Yan Qi , An Du

The magnetic structure of Ba_2CuGe_2O_7 is investigated by neutron diffraction in magnetic fields applied along several directions in the $(a,b)$ plane of the crystal. In relatively weak fields, $H\lesssim 0.5$~T, the propagation vector of…

Condensed Matter · Physics 2009-10-30 A. Zheludev , S. Maslov , G. Shirane , Y. Sasago , N. Koide , K. Uchinokura , D. A. Tennant , S. E. Nagler

Vortex phase diagram under tilted fields from the $c$ axis in Bi${}_2$Sr${}_2$CaCu${}_2$O${}_{8+y}$ is studied by local magnetization hysteresis measurements using Hall probes. When the field is applied at large angles from the $c$ axis, an…

Superconductivity · Physics 2009-10-31 S. Ooi , T. Shibauchi , K. Itaka , N. Okuda , T. Tamegai

By combining neutron scattering and magnetization measurements down to 80 mK, we determine the $(H,T)$ phase diagram of the Nd$_2$(Zr$_{1-x}$Ti$_x$)$_2$O$_7$ pyrochlore magnet compounds. In those samples, Zr is partially substituted by Ti,…

Strongly Correlated Electrons · Physics 2021-07-07 M. Léger , E. Lhotel , E. Ressouche , K. Beauvois , F. Damay , C. Paulsen , A. Al-Mawla , E. Suard , M. Ciomaga Hatnean , G. Balakrishnan , S. Petit

We have studied the magnetic ordering in Na doped BaFe$_2$As$_2$ by unpolarized and polarized neutron diffraction using single crystals. Unlike previously studied FeAs-based compounds that magnetically order, Ba$_{1-x}$Na$_x$Fe$_2$As$_2$…

Superconductivity · Physics 2015-06-22 F. Wasser , A. Schneidewind , Y. Sidis , S. Aswartham , S. Wurmehl , B. Buchner , M. Braden

We report the results of a systematic investigation of the phase diagram of the iron-based superconductor, Ba1-xKxFe2As2, from x = 0 to x = 1.0 using high resolution neutron and x-ray diffraction and magnetization measurements. The…

Two-dimensional (2D) magnetic materials have attracted considerable interest owing to their potential applications in spintronics and fundamental investigations into low-dimensional magnetism. Cr2Te3, a quasi 2D non van der Waals magnet,…

Materials Science · Physics 2025-03-27 Long Zhang , Zhongzhu Jiang , Yugang Zhang , Jing Zhang , Aifeng Wang , Mingquan He , Yuping Sun , Xuan Luo , Yisheng Chai

We studied the field-induced magnetic structures of the Tb2Ti2O7 pyrochlore by single-crystal neutron diffraction with a magnetic field applied along a [110] axis, focusing on the influence of a small misalignment. Both induced magnetic…

Strongly Correlated Electrons · Physics 2010-11-10 A. P. Sazonov , A. Gukasov , I. Mirebeau , H. Cao , P. Bonville , B. Grenier , G. Dhalenne

The magnetic susceptibility of the gapped quantum spin liquid compound (C$_4$H$_{12}$N$_2$)Cu$_2$Cl$_6$ and its chemically disordered derivatives (C$_4$H$_{12}$N$_2$)Cu$_2$(Cl$_{1-x}$Br$_{x}$)$_6$ are systematically studied in magnetic…

Strongly Correlated Electrons · Physics 2015-06-16 D. Hüvonen , G. Ballon , A. Zheludev

We have performed a detailed transverse magnetization study of the pyrochlore antiferromagnet Gd2Ti2O7. A transverse magnetization of about 10^{-3}M_{sat} is observed in the low-temperature ordered phases. These measurements result in the…

Strongly Correlated Electrons · Physics 2009-11-11 V. N. Glazkov , C. Marin , J. -P. Sanchez

Spin-1/2 orthogonal-dimer chain composed of regularly alternating Ising and Heisenberg dimers is exactly solved in a presence of the magnetic field by the transfer-matrix method. It is shown that the ground-state phase diagram involves in…

Statistical Mechanics · Physics 2020-09-04 L. Gálisová , J. Strečka , T. Verkholyak , S. Havadej

We have investigated the magnetic phase diagram of a fully oxygenated detwinned YBa2Cu3O7 single crystal by means of a combination of a low-temperature thermal analysis (DTA) technique with a simultaneous application of a small oscillating…

Superconductivity · Physics 2011-11-07 M. Reibelt

Estimating the intrachain and interchain exchange constants in BaCu2X2O7 (X=Ge,Si) by means of density-functional calculations within the local spin-density approximation (LSDA) we find the Ge compound to be a more ideal realization of a…

Strongly Correlated Electrons · Physics 2007-05-23 Sylvain Bertaina , Roland Hayn

The $c$-axis resistivity measurements in YBa_2Cu_4O_8 from Hussey et al. for magnetic field orientations along the c-axis as well as within the ab-plane are analyzed and interpreted using the scaling theory for static and dynamic classical…

Superconductivity · Physics 2009-10-31 T. Schneider , J. M. Singer

The high-field magnetic properties and magnetic order of the gem mineral green dioptase Cu$_6[$Si$_6$O$_{18}]\cdot 6$H$_2$O have been studied by means of single-crystal neutron diffraction in magnetic fields up to $21~$T and magnetization…

The layered compound KCu$_3$As$_2$O$_7$(OD)$_3$, comprising distorted kagome planes of $S=1/2$ Cu$^{2+}$ ions, is a recent addition to the family of type-II multiferroics. Previous zero field neutron diffraction work has found two helically…

We report the observation of magnetic superstructure in a magnetization plateau state of SrCu2(BO3)2, a frustrated quasi-two-dimensional quantum spin system. The Cu and B nuclear magnetic resonance (NMR) spectra at 35 mllikelvin indicate an…

Strongly Correlated Electrons · Physics 2009-11-07 K. Kodama , M. Takigawa , M. Horvatic , C. Berthier , H. Kageyama , Y. Ueda , S. Miyahara , F. Becca , F. Mila

The crystal structure of Cs$_2$CuBr$_4$ is the same as that of Cs$_2$CuCl$_4$, which has been characterized as a spin-1/2 quasi-two-dimensional frustrated system. The magnetic properties of Cs$_2$CuBr$_4$ were investigated by magnetization…

Strongly Correlated Electrons · Physics 2009-11-07 H. Tanaka , T. Ono , H. A. Katori , H. Mitamura , F. Ishikawa , T. Goto

We present measurements of the magnetoresistivity RHOxx of URu2Si2 single crystals in high magnetic fields up to 60 T and at temperatures from 1.4 K to 40 K. Different orientations of the magnetic field have been investigated permitting to…

Strongly Correlated Electrons · Physics 2013-02-14 Gernot W. Scheerer , William Knafo , Dai Aoki , Jacques Flouquet

In order to study the phase diagram from a microscopic viewpoint, we have measured wTF- and ZF-$\mu^+$SR spectra for the Sr$_{1-x}$Ca$_x$Co$_2$P$_2$ powder samples with $x=0$, 0.2, 0.4, 0.5, 0.6, 0.8, and 1. Due to a characteristic time…

Strongly Correlated Electrons · Physics 2015-06-22 J. Sugiyama , H. Nozaki , I. Umegaki , M. Harada , Y. Higuchi , E. J. Ansaldo , J. H. Brewer , M. Imai , C. Michioka , K. Yoshimura , M Månsson
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