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Related papers: Enhanced Valley Zeeman Splitting in Fe-Doped Monol…

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In a recent paper [B. A. Piot et al., Phys. Rev. B 72, 245325 (2005)], we have shown that the lifting of the electron spin degeneracy in the integer quantum Hall effect at high filling factors should be interpreted as a…

Mesoscale and Nanoscale Physics · Physics 2009-11-13 B. A. Piot , D. K. Maude , M. Henini , Z. R. Wasilewski , J. A. Gupta , K. J. Friedland , R. Hey , K. H. Ploog , U. Gennser , A. Cavanna , D. Mailly , R. Airey , G. Hill

Using polarization-resolved photoluminescence spectroscopy, we investigate valley degeneracy breaking by out-of-plane magnetic field in back-gated monolayer MoSe$_2$ devices. We observe a linear splitting of $-0.22…

Mesoscale and Nanoscale Physics · Physics 2015-02-03 David MacNeill , Colin Heikes , Kin Fai Mak , Zachary Anderson , Andor Kormányos , Viktor Zólyomi , Jiwoong Park , Daniel C. Ralph

Transition-metal dichalcogenides can be easily produced as atomically thin sheets, exhibiting the possibility to optically polarize and read out the valley pseudospin of extremely stable excitonic quasiparticles present in these 2D…

We show that spin-orbit splitting (SOS) in monolayers of semiconducting transition metal dichalcogenides (TMDs) is substantially enhanced by electron-electron interaction. This effect, similar to the exchange-enhancement of the electron…

Mesoscale and Nanoscale Physics · Physics 2024-10-18 Igor Rozhansky , Vladimir Fal'ko

In few-layer (FL) transition metal dichalcogenides (TMDC), the conduction bands along the Gamma-K directions shift downward energetically in the presence of interlayer interactions, forming six Q valleys related by three-fold rotational…

Mesoscale and Nanoscale Physics · Physics 2016-10-04 Zefei Wu , Shuigang Xu , Huanhuan Lu , Gui-Bin Liu , Armin Khamoshi , Tianyi Han , Yingying Wu , Jiangxiazi Lin , Gen Long , Yuheng He , Yuan Cai , Fan Zhang , Ning Wang

It is essential to explore two-dimensional (2D) material with magnetic ordering in new generation spintronic devices. Particularly, the seeking of room-temperature 2D ferromagnetic (FM) materials is a hot topic of current research. Here, we…

Mesoscale and Nanoscale Physics · Physics 2018-09-07 Chang-Wei Wu , Jun-Han Huang , Dao-Xin Yao

The thermoelectric effect in a two-dimensional (2D) massless Dirac fermion (DF) system at the quantum limit is discussed to verify the prediction of high-performance thermopower in an organic conductor \alpha-(BEDT-TTF)2I3. Because of…

Strongly Correlated Electrons · Physics 2021-10-08 Toshihito Osada

We systematically investigated the effects of charge doping and strain on monolayer Fe$_3$GaTe$_2$, and proposed three new novel two-dimensional magnetic materials: monolayer Fe$_3$GaX$_2$ (X=I, Br, Sb). We found that both strain and charge…

Materials Science · Physics 2025-09-10 Qiuhao Wang , Xinlong Yang , Fawei Zheng , Ping Zhang

We report the coexistence of the Kondo effect and spin glass behavior in Fe-doped NbS$_2$ single crystals. The Fe$_x$NbS$_2$ shows the resistance minimum and negative magnetoresistance due to the Kondo effect, and exhibits no…

Strongly Correlated Electrons · Physics 2020-01-23 H. Nobukane , Y. Tabata , T. Kurosawa , D. Sakabe , S. Tanda

We employ first-principles calculations to explore interstitial engineering as a strategy to tailor the hard magnetic properties of Fe2MnSn Heusler alloy, establishing its potential as a rare-earth-free permanent magnet. By introducing…

Materials Science · Physics 2025-07-03 Junaid Jami , Rohit Pathak , N. Venkataramani , K. G. Suresh , Amrita Bhattacharya

We present a systematic 57Fe-Moessbauer study on highly diluted Fe centers in Li2(Li1-xFex)N single-crystals as a function of temperature and magnetic field applied transverse and longitudinal with respect to the single-ion anisotropy axis.…

Strongly Correlated Electrons · Physics 2020-08-26 S. A. Braeuninger , A. Jesche , S. Kamusella , F. Seewald , M. Fix , R. Sarkar , A. A. Zvyagin , H. -H. Klauss

We present muon spin rotation ($\mu$SR) and susceptibility measurements on single crystals of isoelectronically doped URu$_{2-x}$T$_x$Si$_2$ (T = Fe, Os) for doping levels up to 50\%. Zero Field (ZF) $\mu$SR measurements show long-lived…

Strongly Correlated Electrons · Physics 2016-02-02 M. N. Wilson , T. J. Williams , Y. -P. Cai , A. M. Hallas , T. Medina , T. J. Munsie , S. C. Cheung , B. A. Frandsen , L. Liu , Y. J. Uemura , G. M. Luke

Dilute magnetic semiconductors (DMS) are nonmagnetic semiconductors doped with magnetic transition metals. The recently discovered DMS material (Ba$_{1-x}$K$_{x}$)(Zn$_{1-y}$Mn$_{y}$)$_{2}$As$_{2}$ offers a unique and versatile control of…

Materials Science · Physics 2018-03-28 M. A. Surmach , B. J. Chen Z. Deng , C. Q. Jin , J. K. Glasbrenner , I. I. Mazin , A. Ivanov , D. S. Inosov

The magnetic compensation and magnetostriction properties in Fe doped CoCr2O4 samples have been investigated. Structural and magnetic measurements imply that the doped Fe3+ ions initially occupy the B1(Cr) sites when x<0.1, and then mainly…

Materials Science · Physics 2012-11-30 Hongguo Zhang , Wenghong Wang , Enke Liu , Xiaodan Tang , Guijiang Li , Hongwei Zhang , Guangheng Wu

Recently, altermagnets demonstrate numerous newfangle physical phenomena due to their inherent antiferromagnetic coupling and spontaneous spin splitting, that are anticipated to enable innovative spintronic devices. However, the rare…

Materials Science · Physics 2025-04-28 Xin Hu , Weihang Zhao , Wenjun Xia , Hanbo Sun , Chao Wu , Yin-Zhong Wu , Ping Li

Fe-doped ZnO nanocrystals are successfully synthesized and structurally characterized by using x-ray diffraction and transmission electron microscopy. Magnetization measurements on the same system reveal a ferromagnetic to paramagnetic…

We have computed optical Zeeman spectra of magnetic white dwarfs for field strengths between 10 and 200MG and effective temperatures between 8000 and 40000K. They form a database containing 20628 sets of flux and circular polarization…

Astrophysics · Physics 2007-05-23 F. Euchner , S. Jordan , K. Beuermann , B. T. Gaensicke , F. V. Hessmann

In monolayer Transition Metal Dichalcogenides (TMDs) the valence and conduction bands are spin split because of the strong spin-orbit interaction. In tungsten-based TMDs the spin-ordering of the conduction band is such that the so-called…

In this work the magnetic oscillations (MO) in pristine silicene at $T=0$ K are studied. Considering a constant electron density we obtain analytical expressions for the ground state internal energy and magnetization, under a perpendicular…

Materials Science · Physics 2018-06-06 Federico Escudero , Juan Sebastián Ardenghi , Paula Jasen

We investigate the magnetic-field-induced splitting of biexcitons in monolayer WS$_2$ using polarization-resolved photoluminescence spectroscopy in out-of-plane magnetic fields up to 30 T. The observed $g$ factor of the biexciton amounts to…

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