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We report on structural, magnetic and magnetocaloric properties of MnxFe1.95-xP0.50Si0.50 (x > 1.10) compounds. With increasing the Mn:Fe ratio, a first-order magneto-elastic transition gradually changes into a first-order…

Materials Science · Physics 2012-06-01 N. H. Dung , L. Zhang , Z. Q. Ou , E. Brück

The influence of hydrostatic pressure and ab-plane strain on the magnetic structure of FeTe is investigated from first principles. The results of calculations reveal a phase transition from antiferromagnetic double-stripe ordering at…

Superconductivity · Physics 2014-02-11 A. Ciechan , M. J. Winiarski , M. Samsel-Czekała

The magnetotransport behaviour is investigated in detail across the first order magnetic phase transition from ferromagnetic to antiferromagnetic state in polycrystalline Ce(Fe$_{0.96}$Al$_{0.04}$)$_2$ sample. The study clearly brings out…

Strongly Correlated Electrons · Physics 2019-05-15 Kanwal Jeet Singh , Sujeet Chaudhary , M. K. Chattopadhyay , M. A. Manekar , S. B. Roy , P. Chaddah

We report on temperature-dependent soft X-ray absorption spectroscopy (XAS) measurements utilizing linearly polarized synchrotron radiation to probe magnetic phase transitions in iron-rich Fe1+yTe. X-ray magnetic linear dichroism (XMLD)…

We use bulk magnetic susceptibility, electronic specific heat, and neutron scattering to study structural and magnetic phase transitions in Fe$_{1+y}$Se% $_x$Te$_{1-x}$. Fe$_{1.068}$Te exhibits a first order phase transition near 67 K with…

We report synthesis of non superconducting parent compound of iron chalcogenide, i.e., FeTe single crystal by self flux method. The FeTe single crystal is crystallized in tetragonal structure with the P4/nmm space group. The detailed SEM…

Superconductivity · Physics 2016-01-18 P. K Maheshwari , Rajveer Jha , Bhasker Gahtori , V. P. S. Awana

Taking the pseudobinary C15-Laves phase compound Ce(Fe$_{0.96}$Al$_{0.04}$)$_2$ as a paradigm for studying a ferromagnetic(FM) to antiferromagnetic(AFM) phase transition, we present interesting thermomagnetic history effects in…

Strongly Correlated Electrons · Physics 2007-05-23 K. J. Singh , S. Chaudhary , M. K. Chattopadhyay , M. A. Manekar , S. B. Roy , P. Chaddah

The crystal structures, martensitic structural transitions and magnetic properties of MnCo1-xFexSi (0 <= x <= 0.50) alloys were studied by differential scanning calorimetry (DSC), x-ray powder diffraction (XRD) and magnetic measurements. In…

Materials Science · Physics 2015-04-17 J. H. Chen , Z. Y. Wei , E. K. Liu , X. Qi , W. H. Wang , G. H. Wu

The structural and magnetic properties of Y1-xErxFe2 intermetallic compounds and their hydrides and deuterides Y1-xErxFe2H(D)4.2 have been investigated using X-ray diffraction and magnetic measurements under static and pulsed magnetic field…

Materials Science · Physics 2020-07-24 V. Paul-Boncour , O. Isnard , V. Shtender , Y. Skourski , M. Guillot

Two-dimensional (2D) Fe-chalcogenides with rich structures, magnetisms and superconductivities are highly desirable to reveal the torturous transition mechanism and explore their potential applications in spintronics and nanoelectronics.…

Magnetic moments intercalated into layered transition metal dichalcogenides are an excellent system for investigating the rich physics associated with magnetic ordering in a strongly anisotropic, strong spin-orbit coupling environment. We…

Strongly Correlated Electrons · Physics 2015-04-08 Will J. Hardy , Chih-Wei Chen , A. Marcinkova , Heng Ji , Jairo Sinova , D. Natelson , E. Morosan

By calculating orbitally resolved Pauli susceptibilities within maximally localized Wannier orbital basis transformed from first principles band structures, we find that magnetism in Fe$_{1+x}$Te still has its itinerant origin even without…

Superconductivity · Physics 2013-03-21 Ming-Cui Ding , Hai-Qing Lin , Yu-Zhong Zhang

In intercalated transition metal dichalcogenide $Fe_xTaS_2$ (0.2 $\leq$ x $\leq$ 0.4) single crystals, large magnetic anisotropy is observed. Transport property measurements indicate that heavy Fe-doping leads to a large anisotropy of…

Strongly Correlated Electrons · Physics 2017-05-10 G. Wu , B. L. Kang , Y. L. Li , T. Wu , N. Z. Wang , X. G. Luo , Z. Sun , L. J. Zou , X. H. Chen

The investigation of the magnetic phase transitions in the parent compounds of Fe-based superconductors is regarded essential for an understanding of the pairing mechanism in the related superconducting compounds. Even though the chemical…

Superconductivity · Physics 2017-12-01 Jonas Warmuth , Martin Bremholm , Philip Hofmann , Jens Wiebe , Roland Wiesendanger

Using first-principles calculations, we demonstrate that the magnetic exchange interaction and the magnetocrystalline anisotropy of biatomic Fe chains grown in the trenches of the 5x1 reconstructed Ir(001) surface depend sensitively on the…

Mesoscale and Nanoscale Physics · Physics 2015-05-14 Yuriy Mokrousov , Alexander Thiess , Stefan Heinze

Neutron and X-ray diffraction, magnetic susceptibility, and specific heat measurements have been used to investigate the magnetic and structural phase transitions of the spinel system Fe1+xCr2-xO4(0.0<=x<=1.0). The temperature versus Fe…

Magnetotransport properties of the high-quality FeSe crystal, measured in a wide temperature range and in magnetic fields up to 50 T, show the symmetry of the main holelike and electronlike bands in this compound. In addition to the main…

We construct a phase diagram of the parent compound Fe1+xTe as a function of interstitial iron x in terms of the electronic, structural, and magnetic properties. For a concentration of x < 10%, Fe1+xTe undergoes a "semimetal" to metal…

Strongly Correlated Electrons · Physics 2015-06-17 E. E. Rodriguez , D. A. Sokolov , C. Stock , M. A. Green , O. Sobolev , J. A. Rodriguez-Rivera , H. Cao , A. Daoud-Aladine

This article reviews recent experimental investigations on two binary Fe-chalcogenides: FeSe and Fe$_{1+y}$Te. The main focus is on synthesis, single crystal growth, chemical composition, as well as on the effect of excess iron on…

Superconductivity · Physics 2016-06-06 Sahana Rößler , Cevriye Koz , Steffen Wirth , Ulrich Schwarz

In the present work, magnetic properties of single crystal (Fe$_{1-x}$Mn$_x$)$_2$Mo$_3$O$_8$ ($0<x<1$) have been studied by performing extensive measurements. A detailed magnetic phase diagram is built up, in which antiferromagnetic state…

Materials Science · Physics 2023-09-19 Yuting Chang , Lei Gao , Yunlong Xie , Bin You , Yong Liu , Rui Xiong , Junfeng Wang , Chengliang Lu , JunMing Liu
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