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Related papers: Orbitally driven spin reorientation in Mn doped YB…

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Incommensurate (IC) charge-order (CO) and spin density wave (SDW) order in electron doped SrMn1-xWxO3-{\delta} (x= 0.08 to 0.1875) have been studied using neutron diffraction.The study highlights the drastic effect of electron doping on the…

Materials Science · Physics 2019-07-04 Poonam Yadav , Shivani Sharma , Aga Shahee , Ivan da Silva , Vaclav Petricek , N P Lalla

"Magnetic ferroelectric" has been found in a wide range of spiral magnets. However, these materials all suffer from low critical temperatures, which are usually below 40 K, due to strong spin frustration. Recently, CuO has been found to be…

Materials Science · Physics 2012-05-08 Guangxi Jin , Kun Cao , Guang-Can Guo , Lixin He

Hybrid or metal organic framework (MOF) perovskites of general composition, ABX$_3$, are known to show interesting properties which can lead to variety of technological applications. Our first principles study shows they are also potential…

Materials Science · Physics 2016-09-06 Hrishit Banerjee , Sudip Chakraborty , Tanusri Saha-Dasgupta

Versatile features of impurity doping effects on perovskite manganites, $R_{0.6}$Sr$_{0.4}$MnO$_{3}$, have been investigated with varying the doing species as well as the $R$-dependent one-electron bandwidth. In ferromagnetic-metallic…

Strongly Correlated Electrons · Physics 2009-11-13 H. Sakai , K. Ito , T. Nishiyama , X. Z. Yu , Y. Matsui , S. Miyasaka , Y. Tokura

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…

Materials Science · Physics 2022-07-11 Jiyu Shen , Jiajun Mo , Zeyi Lu , Huilin Huang , Chenying Gong , Yi Long , Arramel , Yanfang Xia , Min Liu , Jizhou Jiang

We investigate how doping-induced small polarons impact the low-temperature multipolar orders of the $5d^2$ double perovskite Ba$_2$CaOsO$_6$. By computing intersite exchange interactions between 5d$^1$ localized hole polarons and 5d$^2$…

Strongly Correlated Electrons · Physics 2026-03-20 Dario Fiore Mosca , Lorenzo Celiberti , Leonid V. Pourovskii , Cesare Franchini

The cause for the preferred spin orientation in magnetic systems containing spin-1/2 transition-metal ions was explored by studying the origin of the easy-plane anisotropy of the spin-1/2 Cu2+ ions in CuCl2.2H2O, LiCuVO4, CuCl2 and CuBr2 on…

Strongly Correlated Electrons · Physics 2015-06-22 Jia Liu , Hyun-Joo Koo , Hongjun Xiang , Reinhard K. Kremer , Myung-Hwan Whangbo

We have carried out a systematic study on the effect of Cu doping on nuclear, magnetic, and dielectric properties in Mn$_{1-x}$Cu$_{x}$WO$_4$ for ${0}\leq{x}\leq{0.19}$ by a synergic use of different techniques, viz, heat capacity,…

Strongly Correlated Electrons · Physics 2015-08-31 C. M. N. Kumar , Y. Xiao , P. Lunkenheimer , A. Loidl , M. Ohl

We have performed extensive zero field muSR experiments on pure YBa2Cu3O6+y and diluted Y-rare-earth substituted Y0.92Eu0.08Ba2Cu3O6+y and Y0.925Nd0.075Ba2Cu3O6+y at light hole-doping. A common magnetic behavior is detected for all the…

Superconductivity · Physics 2010-03-11 F. Coneri , S. Sanna , K. Zheng , J. Lord , R. De Renzi

Polarization induced spin switching of atoms in magnetic materials opens for possibilities to design and develop advanced spintronic devices, in particular, storage devices where the magnetic state can be controlled by an electric field. We…

Materials Science · Physics 2018-10-09 Indukuru Ramesh Reddy , Peter M. Oppeneer , Kartick Tarafder

A comparative study of the effect of Fe and Ni doping on the bismuth based perovskite La0.6Bi0.4MnO3.1, a projected spintronics magnetic semiconductor has been carried out. The doped systems show an expressive change in magnetic ordering…

Materials Science · Physics 2015-05-27 Asish K. Kundu , Md. Motin Seikh , Akhilesh Srivastava , S. Mahajan , R. Chatterjee , V. Pralong , B. Raveau

Motivated by the recent neutron diffraction experiment on $YVO_3$, we consider a microscopic model where each $V^{3+}$ ion is occupied by two 3d electrons of parallel spins with two fold degenerate orbital configurations. The mean field…

Strongly Correlated Electrons · Physics 2007-05-23 Theja N. De Silva , Anuvrat Joshi , Michael Ma , Fu Chun Zhang

In this paper we examine the role of crystal chemistry factors in creating conditions for formation of magnetoelectric ordering in BiFeO3. It is generally accepted that the main reason of the ferroelectric distortion in BiFeO3 is concerned…

Materials Science · Physics 2011-06-03 L. M. Volkova , D. V. Marinin

Here, the first-principles predictions on the structural stability, magnetic behavior and electronic structure of B-site ordered double perovskite Nd$_{2}$FeCrO$_{6}$ have been reported. Initially, the ground state of the parent single…

Materials Science · Physics 2022-01-10 M. D. I. Bhuyan , Rana Hossain , Ferdous Ara , M. A. Basith

The mechanisms of magnetic and orbital interactions due to double exchange (DE) and superexchange (SE) in transition metal oxides with degenerate e_g orbitals are presented. Specifically, we study the effective spin-orbital models derived…

Strongly Correlated Electrons · Physics 2009-10-31 A. M. Oles , M. Cuoco , N. B. Perkins

We investigate the electronic structure and magnetic properties of a $J_\text{eff} = 1/2$ iridate Ca$_4$IrO$_6$ and the implications of doping electrons and holes using ab initio density functional theory. Our calculations considering…

Strongly Correlated Electrons · Physics 2022-09-02 Avishek Singh , Jayita Chakraborty , Nirmal Ganguli

Zero-field muon-spin-relaxation measurements have been carried out in order to investigate the Zn- and Ni-substitution effects on the Cu-spin dynamics in the electron-doped Pr_0.86_LaCe_0.14_Cu_1-y_(Zn, Ni)_y_O_4+\alpa-\delta_ with y = 0,…

Superconductivity · Physics 2009-11-10 Risdiana , T. Adachi , Y. Koike , I. Watanabe , K. Nagamine

The structural, phonon, magnetic, dielectric, and magneto dielectric responses of the pure bulk Brownmillerite compound Ca2FeCoO5 are reported. This compound showed giant magneto dielectric response (10%-24%) induced by strong spin-lattice…

Materials Science · Physics 2019-02-06 Gaurav Sharma , Shekhar Tyagi , V. R. Reddy , A. M. Awasthi , R. J. Choudhary , A. K. Sinha , Vasant Sathe

Spin crossover plays a central role in the structural instability, net magnetic moment modification, metallization, and even in superconductivity in corresponding materials. Most reports on the pressure-induced spin crossover with a large…

We use neutron scattering to study the influence of a magnetic field on spin structures of Nd$_2$CuO$_4$. On cooling from room temperature, Nd$_2$CuO$_4$ goes through a series of antiferromagnetic (AF) phase transitions with different…

Superconductivity · Physics 2009-11-10 Shiliang Li , Stephen D. Wilson , David Mandrus , Bairu Zhao , Y. Onose , Y. Tokura , Pengcheng Dai
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