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We performed a systematic study of the temperature- and field-dependence of magnetization and resistivity of Gd2PdSi3, which is a centrosymmetric skyrmion crystal. While the magnetization behavior is consistent with the reported phase…

强关联电子 · 物理学 2020-11-19 Han Zhang , Qing Huang , Lin Hao , Junyi Yang , Kyle Noordhoek , Shashi Pandey , Haidong Zhou , Jian Liu

The magnetic and electronic nature of the gamma-Al2O3/SrTiO3 spinel/perovskite interface is explored by means of x-ray absorption spectroscopy. Polarized x-ray techniques combined with atomic multiplet calculations reveal localized magnetic…

Two-dimensional (2D) materials with intrinsic ferromagnetism provide unique opportunity to engineer new functionalities in nano-spintronics. One such material is CrI$_3$, showing long-range magnetic order in monolayer with the Curie…

强关联电子 · 物理学 2019-09-20 Yu Liu , Lijun Wu , Xiao Tong , Jun Li , Jing Tao , Yimei Zhu , C. Petrovic

A correlation between the crystal structure and magnetic properties of system (1-x)BiFeO$_3$-(x)BaTiO$_3$ with compounds across the morphotropic phase boundary was studied using X-ray and neutron diffraction, magnetometry, and Mossbauer…

The influence of an external static magnetic field (up to 480 mT)on the structural properties of EuTiO$_3$ (ETO) polycrystalline samples was examined by powder XRD at the Elettra synchrotron facilities in the temperature range 100-300K.…

材料科学 · 物理学 2021-12-15 P. Pappas , M. Calamiotou , M. Polentarutti , G Bais , A. Bussmann-Holder , E. Liarokapis

Magnetoelasticity plays a crucial role in numerous magnetic phenomena, including magnetocalorics, magnon excitation via acoustic waves, and ultrafast demagnetization/Einstein-de Haas effect. Despite a long-standing discussion on…

We have grown a YCrO$_3$ single crystal by the floating-zone method and studied its temperature-dependent crystalline structure and magnetization by X-ray powder diffraction and PPMS DynaCool measurements. All diffraction patterns were well…

强关联电子 · 物理学 2024-03-08 Qian Zhao , Yinghao Zhu , Si Wu , Junchao Xia , Pengfei Zhou , Kaitong Sun , Hai-Feng Li

Small angle neutron scattering experiments were performed on a bulk single crystal of chiral-lattice multiferroic insulator Cu$_2$OSeO$_3$. In the absence of an external magnetic field, helical spin order with magnetic modulation vector $q…

强关联电子 · 物理学 2012-06-25 S. Seki , J. -H. Kim , D. S. Inosov , R. Georgii , B. Keimer , S. Ishiwata , Y. Tokura

We investigate the instability toward a skyrmion crystal under an in-plane magnetic field in centrosymmetric tetragonal magnets. By performing the simulated annealing for a spin model on the square lattice, we find that the interplay among…

强关联电子 · 物理学 2024-12-06 Satoru Hayami

Magnetization and susceptibility studies on single crystals of the pyrochlore Ho$_{2}$Ti$_{2}$O$_{7}$ are reported for the first time. Magnetization isotherms are shown to be qualitatively similar to that predicted by the nearest neighbor…

无序系统与神经网络 · 物理学 2009-11-07 A. L. Cornelius , J. S. Gardner

Single crystals of Nd$_2$O$_3$ were grown and characterized using neutron scattering and thermodynamic measurements. Nd$_2$O$_3$ has long-range antiferromagnetic order below $T_{\rm N}$ = 0.55 K and specific heat measurements have…

强关联电子 · 物理学 2020-08-25 Binod K. Rai , A. D. Christianson , G. Sala , M. B. Stone , Y. Liu , A. F. May

Understanding spin control mechanisms is an important part of condensed matter physics and the theoretical basis for designing spintronic devices. In this letter, based on four-sublattices molecular field theory, we propose that the…

材料科学 · 物理学 2022-07-11 Jiyu Shen , Jiajun Mo , Zeyi Lu , Huilin Huang , Chenying Gong , Yi Long , Arramel , Yanfang Xia , Min Liu , Jizhou Jiang

LiOsO$_3$ is the first experimentally confirmed polar metal with ferroelectric-like distortion. One puzzling experimental fact is its paramagnetic state down to very low temperature with negligible magnetic moment, which is anomalous…

材料科学 · 物理学 2018-11-20 Y. Zhang , J. J. Gong , C. F. Li , L. Lin , Z. B. Yan , Shuai Dong , J. -M. Liu

In this work we study the interplay between the crystal structure and magnetism of the pyroarsenate \alpha-Cu_2As_2O_7 by means of magnetization, heat capacity, electron spin resonance and nuclear magnetic resonance measurements as well as…

Synthesis, thermodynamic properties, and microscopic magnetic model of ilinskite-type KCu$_{5}$O$_2$(SeO$_3$)$_2$Cl$_3$ built by corner-sharing Cu$_4$ tetrahedra are reported, and relevant magnetostructural correlations are discussed.…

The single ion properties of the zig-zag chain compound SrTm$_2$O$_4$ have been investigated using heat capacity, magnetic susceptibility, magnetization, inelastic neutron scattering, and polarized muon spectroscopy. Two crystal field…

The orbital and spin moment of the Co2+ ion in CoO has been calculated within the quasi-atomic approach with taking into account the intra-atomic spin-orbit coupling. The orbital moment of 1.38 \mu_{B} amounts at 0 K, in the…

强关联电子 · 物理学 2007-05-23 R. J. Radwanski , Z. Ropka

In this chapter we review the quantitative and qualitative aspects of describing the properties of magnetic solids on the basis of electronic Hamiltonian. We show that a spin Hamiltonian approach becomes consistent with an electronic…

强关联电子 · 物理学 2016-06-17 Myung-Hwan Whangbo , Hongjun Xiang

Due to a ferromagnetic in-chain coupling between Co$^{3+}$ ions at trigonal sites, chains Co$_2$O$_6$ are considered as large rigid spin moments. The antiferromagnetic Ising model on the triangular lattice is applied to describe an…

强关联电子 · 物理学 2009-11-11 Yuri B. Kudasov

We investigate theoretically and experimentally the static magnetic properties of single crystals of the molecular-based Single-Chain Magnet (SCM) of formula [Dy(hfac)$_{3}$NIT(C$_{6}$H$_{4}$OPh)]$_{\infty}$ comprising alternating Dy$^{3+}$…

材料科学 · 物理学 2011-01-17 K. Bernot , J. Luzon , A. Caneschi , D. Gatteschi , R. Sessoli , L. Bogani , A. Vindigni , A. Rettori , M. G. Pini