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Strong commensurate antiferromagnetism proximate to superconductivity is found in some members of the kappa-(ET) family, while a spin gap (SG) is found in the theta-(ET). Both kappa- and theta-(ET) materials have frustrated triangular…

强关联电子 · 物理学 2014-07-28 R. T. Clay , S. Mazumdar

Metastable Co$_2$Ti$_3$O$_8$ was synthesized through a topochemical reaction using Li$_2$CoTi$_3$O$_8$ as the precursor, resulting in a vacancy-ordered spinel structure. Crystal structure analysis confirmed that Co ions selectively occupy…

GdCo$_5$ may be considered as two sublattices - one of Gd and one of Co - whose magnetizations are in antiparallel alignment, forming a ferrimagnet. Substitution of nickel in the cobalt sublattice of GdCo$_5$ has been investigated to gain…

We have studied the magnetic, thermal and magnetotransport properties of polycrystalline Gd5Ge3. It is found that the compound is a strong antiferromagnet and does not undergo any strong metamagnetic transition even in a field of 90 kOe.…

强关联电子 · 物理学 2012-11-13 Bibekananda Maji , K. G. Suresh , A. K. Nigam

Single-crystal synchrotron x-ray diffraction measurements in strong magnetic fields have been performed for magnetoelectric compounds GdMnO3 and TbMnO3. It has been found that the P || a ferroelectric phase induced by the application of a…

强关联电子 · 物理学 2007-05-23 T. Arima , T. Goto , Y. Yamasaki , S. Miyasaka , K. Ishii , M. Tsubota , T. Inami , Y. Murakami , Y. Tokura

The ZrSiS-class of layered materials offer interesting topological and magnetic characteristics suitable for spintronics applications. In this work, we have synthesized a polycrystalline NdBiTe using solid-state reaction technique and have…

A new type of magnetically frustrated lattice is found in the layered fluoride NaBa2Mn3F11. A kagome-type array of regular triangles composed of Mn2+ ions (spin 5/2) deforms so as to generate the next-nearest-neighbor interaction J2 between…

材料科学 · 物理学 2014-03-11 Hajime Ishikawa , Tsuyoshi Okubo , Yoshihiko Okamoto , Zenji Hiroi

In this paper, we investigate the low temperature magnetic properties of the rare-earth garnet compound Nd$_3$Ga$_5$O$_{12}$ in detail by means of magnetization, specific heat and magnetocaloric effect measurements. The magnetic thermal…

强关联电子 · 物理学 2023-03-21 N. Zhao , H. Ge , L. Zhou , Z. M. Song , J. Yang , T. T. Li , L. Wang , Y. Fu , Y. F. Zhang , J. B. Xu , S. M. Wang , J. W. Mei , X. Tong , L. S. Wu , J. M. Sheng

Frustrated lattices1-3, characterized by minor breakdown in local order in an otherwise periodic lattice, lead to simultaneous possibilities of several ground states which can trigger unique physical properties, in condensed matter systems.…

介观与纳米尺度物理 · 物理学 2014-04-07 Satyendra Prakash Pal , P. Sen

Specific heat measurements in zero magnetic field are presented on a homologous series of geometrically frustrated, antiferromagnetic, Heisenberg garnet systems. Measurements of Gd3Ga5O12, grown with isotopically pure Gd, agree well with…

Single crystals of RPtIn, $R~=$ Y, Gd - Lu were grown out of In-rich ternary solution. Powder X-ray diffraction data on all of these compounds were consistent with the hexagonal ZrNiAl-type structure (space group P $\bar{6}$ 2 m). The $R~=$…

其他凝聚态物理 · 物理学 2007-05-23 E. Morosan , S. L. Bud'ko , P. C. Canfield

New frustrated antiferromagnetic compounds CuRE2Ge2O8 (RE=Pr, Nd, Sm, Eu) have been investigated using high-resolution x-ray diffraction, magnetic and heat capacity measurements. These systems show different magnetic lattices depending on…

强关联电子 · 物理学 2017-12-27 Hwanbeom Cho , Marie Kratochvilova , Nahyun Lee , Hasung Sim , Je-Geun Park

Neutron scattering experiment on NiS2 single crystal revealed a honeycomb pattern of the intensity distribution in reciprocal lattice space (continuous-line structure along the fcc zone boundary) providing the first direct evidence for…

强关联电子 · 物理学 2007-05-23 M. Matsuura , Y. Endoh , H. Hiraka , K. Yamada , K. Hirota , A. S. Mishchenko , N. Nagaosa , I. V. Solovyev

We present a novel hydrated layered manganate MgMn$_3$O$_7$$\cdot$3H$_2$O as a maple-leaf-lattice (MLL) antiferromagnet candidate. The MLL is obtained by regularly depleting 1/7 of the lattice points from a triangular lattice so that the…

材料科学 · 物理学 2018-08-14 Yuya Haraguchi , Akira Matsuo , Koichi Kindo , Zenji Hiroi

We have searched nearly 40,000 inorganic solids in the Inorganic Crystal Structural Database to identify compounds containing a transition metal or rare earth kagom\'e sublattice, a geometrically magnetically frustrated lattice, ultimately…

材料科学 · 物理学 2021-03-11 Vanessa Meschke , Prashun Gorai , Vladan Stevanović , Eric S. Toberer

The thermal order by disorder effect in magnetic field is studied for a classical Heisenberg antiferromagnet on the kagome lattice. Using analytical arguments we predict a unique H-T phase diagram for this strongly frustrated magnet: states…

强关联电子 · 物理学 2007-05-23 M. E. Zhitomirsky

The magnetic properties of GdBaMn_{2}O_{5.0}, which exhibits charge ordering, are studied from 2 to 400 K using single crystals. In a small magnetic field applied along the easy axis, the magnetization M shows a temperature-induced reversal…

材料科学 · 物理学 2009-11-13 A. A. Taskin , Yoichi Ando

In the triangular layered magnet PdCrO2 the intralayer magnetic interactions are strong, however the lattice structure frustrates interlayer interactions. In spite of this, long-range, 120$^\circ$ antiferromagnetic order condenses at $T_N =…

Herein, we report the discovery of a novel Gd-based magnetic compound GdPt$_2$B with a chiral crystal structure. X-ray diffraction and chemical composition analyses reveal a CePt$_2$B-type crystal structure (space group: $P6_422$) for…

材料科学 · 物理学 2022-11-04 Yoshiki J. Sato , Hikari Manako , Yoshiya Homma , Dexin Li , Ryuji Okazaki , Dai Aoki

We report temperature (T) dependence (2-330 K) of DC and AC magnetization (M), isothermal remnant magnetization (M_IRM), heat capacity (C), electrical resistivity (rho), and magnetoresistance (MR) of a ternary intermetallic compound,…

强关联电子 · 物理学 2019-07-08 Ram Kumar , Jyoti Sharma , Kartik K Iyer , E. V. Sampathkumaran