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Related papers: (Sr,Na)(Zn,Mn)2As2: A new diluted ferromagnetic se…

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In this research paper, we investigated the structural, electronic, and magnetic features of titanium atom substituting calciumatom in rock salt structure of CaS to explore the new dilute magnetic semiconductor compounds. The calculations…

Materials Science · Physics 2022-02-16 Meryem Ziati , Hamid Ez-Zahraouy

A new scenario of the mechanism of intriguing ferromagnetic properties in Mn-doped magnetic semiconductor (Ga,Mn)As is examined in detail. We find that magnetic features seen in zero-field cooled and field cooled magnetizations are not…

Materials Science · Physics 2009-11-11 K. Hamaya , T. Koike , T. Taniyama , T. Fujii , Y. Kitamoto , Y. Yamazaki

A new layered iron-oxychalcogenide Na2Fe2OSe2 has been synthesized and structurally characterized by powder X-ray diffraction. The structure is formed by alternate stacking of the newly discovered [Fe2OSe2] blocks and double layers of Na.…

Strongly Correlated Electrons · Physics 2013-05-29 J. B. He , D. M. Wang , H. L. Shi , H. X. Yang , J. Q. Li , G. F. Chen

After more than a decade of intensive research in the field of diluted magnetic semiconductors (DMS), the nature and origin of ferromagnetism, especially in III-V compounds is still controversial. Many questions and open issues are under…

Disordered Systems and Neural Networks · Physics 2015-11-09 Georges Bouzerar , Richard Bouzerar

A review is given of advances in the field of carrier-controlled ferromagnetism in Mn-based diluted magnetic semiconductors and their nanostructures. Experimental results for III-V materials, where the Mn atoms introduce both spins and…

Materials Science · Physics 2015-06-24 Tomasz Dietl

Large single crystals of the new compound SrMn$_2$V$_2$O$_8$ have been grown by the floating-zone method. This transition-metal based oxide is isostructural to SrNi$_2$V$_2$O$_8$, described by the tetragonal space group $I4_1cd$. Magnetic…

Strongly Correlated Electrons · Physics 2011-07-28 Sandra K. Niesen , Oliver Heyer , Thomas Lorenz , Martin Valldor

We report magnetization, electron spin resonance (ESR), and muon spin relaxation ($\mu $SR) measurements on single crystals of the $S=1/2$ (Cu$% ^{+2}$) kagom\'{e} compound Cu(1,3-benzendicarboxylate). The $\mu $SR is carried to…

Strongly Correlated Electrons · Physics 2015-06-18 Oren Ofer , Lital Marcipar , V. Ravi Chandra , Snir Gazit , Daniel Podolsky , Daniel P. Arovas , Amit Keren

We will examine the possible link between spin fluctuations and the superconducting mechanism in the iron-based high temperature superconductor Ba(Fe,Co)2As2 based on NMR and high pressure transport measurements.

Superconductivity · Physics 2015-05-14 K. Ahilan , F. L. Ning , T. Imai , A. S. Sefat , M. A. McGuire , B. C. Sales , D. Mandrus , P. Cheng , B. Shen , H. H. Wen

The recently discovered (Ba,Sr)Ni$_2$As$_2$ family provides an ideal platform for investigating the interaction between electronic nematicity and superconductivity. Here we report the muon spin relaxation ($\mu$SR) measurements on…

Superconductivity · Physics 2024-01-10 Kaiwen Chen , Zihao Zhu , Yaofeng Xie , Adrian D. Hillier , James S. Lord , Pengcheng Dai , Lei Shu

We have investigated electronic structures of a room temperature diluted magnetic semiconductor : Co-doped anatase $\rm TiO_{2}$. We have obtained the half-metallic ground state in the local-spin-density approximation(LSDA) but the…

Materials Science · Physics 2009-11-07 Min Sik Park , S. K. Kwon , B. I. Min

The recent development of MBE techniques for growth of III-V ferromagnetic semiconductors has created materials with exceptional promise in spintronics, i.e. electronics that exploit carrier spin polarization. Among the most carefully…

Materials Science · Physics 2015-06-25 A. H. MacDonald , P. Schiffer , N. Samarth

Eu-based compounds often exhibit unusual magnetism, which is critical for nontrivial topological properties seen in materials such as EuCd2As2. We investigate the structure and physical properties of EuZn2As2 through measurements of the…

Materials Science · Physics 2022-02-15 Joanna Blawat , Madalynn Marshall , John Singleton , Erxi Feng , Huibo Cao , Weiwei Xie , Rongying Jin

The ferrimagnetic insulator Mn3Si2Te6, which features a Curie temperature Tc at 78 K and a delicate yet consequential magnetic frustration, exhibits colossal magnetoresistance (CMR) when the magnetic field is applied along the magnetic hard…

Strongly Correlated Electrons · Physics 2022-11-02 Feng Ye , Masaaki Matsuda , Zachary Morgan , Todd Sherline , Yifei Ni , Hengdi Zhao , G. Cao

Co3Sn2S2 has been reported to be a Weyl semimetal with broken time-reversal symmetry with c axis ferromagnetism (FM) below a Curie temperature of 177 K. Despite the large interest in Co3Sn2S2, the magnetic structure is still under debate…

Recent experimental work on Mn2RuxGa demonstrates its potential as a compensated ferrimagnetic half-metal (CFHM).Here we present a set of high-throughput ab initio density functional theory calculations and detailed experimental…

Dielectric and magnetic properties have been studied for poly-crystalline samples of quasi-one-dimensional frustrated spin-1/2 system Rb$_{2}$(Cu$_{1-x}$M$_{x}$)$_{2}$Mo$_{3}$O$_{12}$(M=Ni and Zn) which does not exhibit a three-dimensional…

Strongly Correlated Electrons · Physics 2015-06-12 Yukio Yasui , Yudai Yanagisawa , Ryuji Okazaki , Ichiro Terasaki

The magnetization dynamics in diluted magnetic semiconductor heterostructures based on (Zn,Mn)Se and (Cd,Mn)Te has been studied experimentally by optical methods and simulated numerically. In the samples with nonhomogeneous magnetic ion…

Mesoscale and Nanoscale Physics · Physics 2015-05-19 A. A. Maksimov , D. R. Yakovlev , J. Debus , I. I. Tartakovskii , A. Waag , G. Karczewski , T. Wojtowicz , J. Kossut , M. Bayer

Co$_2$FeSi crystallizes in the ordered L2$_1$ structure as proved by X-ray diffraction and M\"o\ss bauer spectroscopy. The magnetic moment of Co$_2$FeSi was measured to be about $6\mu_B$ at 5K. Magnetic circular dichroism spectra excited by…

We report the single-crystal growth and characterization of a new hexagonal phase, Cu$_{0.82}$Mn$_{1.18}$As, in the Cu-Mn-As system. This compound contains the same square-pyramidal MnAs$_5$ units as the tetragonal and orthorhombic…

We present muon spin rotation and relaxation ($\mu$SR) results for chalcogenide spinels CuCr$_2$X$_4$ with X= S and Se. Both compounds are known as ferromagnetic metals with high Curie temperatures. Our $\mu$SR and magnetization data show…

Strongly Correlated Electrons · Physics 2024-08-27 Elaheh Sadrollahi , F. Jochen Litterst , Lilian Prodan , Vladimir Tsurkan , Alois Loidl
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