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Related papers: Ferromagnetism in Mn-doped Sb2Te

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The discovery of superconductivity in copper oxide compounds has attracted considerable attention over the past three decades. The high transition temperature in these compounds, exhibiting proximity to an antiferromagnetic order in their…

In a recent letter, it has been predicted within first principle studies that Mn-doped ZrO2 compounds could be good candidate for spintronics application because expected to exhibit ferromagnetism far beyond room temperature. Our purpose is…

Materials Science · Physics 2013-02-21 S. K. Srivastava , P. Lejay , B. Barbara , O. Boisron , S. Pailhès , G. Bouzerar

We use the Kondo lattice model to investigate the possibility of ferromagnetism and half-metallicity in local moment systems. Using the spectral density approach and making use of the fact that the spontaneous magnetization of local moment…

Materials Science · Physics 2015-05-28 L. Haritha , G. Gangadhar Reddy , A. Ramakanth

Weak ferromagnetism in Fe1-xCoxSb2 is studied by magnetization and Mossbauer measurements. A small spontaneous magnetic moment of the order of 10^-3 uB appears along the b-axis for 0.2<= x <= 0.4. Based on the structural analysis, we argue…

Strongly Correlated Electrons · Physics 2009-11-13 Rongwei Hu , R. P. Hermann , F. Grandjean , Y. Lee , J. B. Warren , V. F. Mitrovic , C. Petrovic

We report our study of the evolution of superconductivity and the phase diagram of the ternary Fe(Se1-xTex)0.82 (0<=x<=1.0) system. We discovered a new superconducting phase with Tc,max = 14 K in the 0.3 < x < 1.0 range. This…

Superconductivity · Physics 2008-12-04 M. H. Fang , H. M. Pham , B. Qian , T. J. Liu , E. K. Vehstedt , Y. Liu , L. Spinu , Z. Q. Mao

Superlattices composed of ferromagnetic Pr0.85Ca0.15MnO3 and ferroelectric Ba0.6Sr0.4TiO3 layers were fabricated on (100) SrTiO3 substrates by a pulsed-laser deposition method. The capacitance and resistive parts of the samples were…

Materials Science · Physics 2009-11-10 P. Murugavel , D. Saurel , W. Prellier , Ch. Simon , B. Raveau

We investigate the magnetic and transport properties of the $La_{1-x}Sr_{x}MnO_{3}$ (LSMO)/$Pr_{1-x}Ca_{x}MnO_{3}$ (PCMO) like ferromagnetic/antiferromagnetic superlattices in three dimensions using a two orbitals double exchange model…

Strongly Correlated Electrons · Physics 2024-06-03 Sandip Halder , Snehal Mandal , Kalpataru Pradhan

We carry out a first-principles investigation on magnetism, electronic structure, magneto-optical effects and topological property of newly grown cubic double perovskite Ba2NiOsO6 and its (111) (Ba2NiOsO6)/(BaTiO3)10 superlattice, based on…

Strongly Correlated Electrons · Physics 2019-10-02 Hai-Shuang Lu , Guang-Yu Guo

Bulk samples of La2.3-xYxCa0.7Mn2O7, x=0,0.3,0.5, with layered perovskite structure have been synthesized and investigated with respect to their electrical, electronic and magnetic properties. It is found that La1.8Y0.5Ca0.7Mn2O7 has…

Materials Science · Physics 2009-10-31 P. Raychaudhuri , C. Mitra , A. Paramekanti , R. Pinto , A. K. Nigam , S. K. Dhar

We report here enhancement of ferromagnetism in pure ZnO upon thermal annealing with the ferromagnetic transition temperature Tc above room temperature. We observe a finite coercive field upto 300K and a finite thermoremanent magnetization…

Materials Science · Physics 2007-09-25 S. Banerjee , M. Mandal , N. Gayathri , M. Sardar

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

We have found high ferromagnetic transition temperature in Mn delta-doped GaAs-based heterostructures grown on GaAs(001) substrates by molecular beam epitaxy. A 0.3 ML Mn d-doped GaAs samples showed high resistivity at low temperature and…

Materials Science · Physics 2013-05-29 Ahsan M. Nazmul , S. Sugahara , M. Tanaka

2H-NbSe2 is one of the most widely researched transition metal dichalcogenide (TMD) superconductors, which undergoes charge-density wave (CDW) transition at TCDW about 33 K and superconducting transition at Tc of 7.3 K. To explore the…

Superconductivity · Physics 2019-07-04 Dong Yan , Yishi Lin , Guohua Wang , Zhen Zhu , Shu Wang , Lei Shi , Yuan He , Man-Rong Li , Hao Zheng , Jie Ma , Jinfeng Jia , Yihua Wang , Huixia Luo

We report the temperature ($T$) dependence of ferromagnetic Bragg peak intensities and dc magnetization of the superconducting ferromagnet UGe2 under pressure ($P$). We have found that the low-$T$ behavior of the uniform magnetization can…

Strongly Correlated Electrons · Physics 2009-11-11 N. Aso , G. Motoyama , Y. Uwatoko , S. Ban , S. Nakamura , T. Nishioka , Y. Homma , Y. Shiokawa , K. Hirota , N. K. Sato

We present experimental evidence for small-moment magnetism below the ferromagnetic transition temperature (T_c3 = 183 K) in the quasi-one-dimensional metal BaIrO_3. Further, we identify rearrangement of the local magnetic moment…

Strongly Correlated Electrons · Physics 2009-11-11 M. L. Brooks , S. J. Blundell , T. Lancaster , W. Hayes , F. L. Pratt , P. P. C. Frampton , P. D. Battle

The realization of semiconductors that are ferromagnetic above room temperature will potentially lead to a new generation of spintronic devices with revolutionary electrical and optical properties. Transition temperatures in doped ZnO are…

Strongly Correlated Electrons · Physics 2009-11-11 XH Xu , AJ Behan , M Ziese , HJ Blythe , JR Neal , A Mokhtari , MR Ibrahim , AM Fox , GA Gehring

Materials with exceptional magnetism and superconductivity usually conceive emergent physical phenomena. Here, we investigate the physical properties of the (Eu,La)FeAs2 system with double magnetic sublattices. The parent EuFeAs2 shows…

Superconductivity · Physics 2021-07-09 Jia Yu , Congcong Le , Zhiwei Li , Lisi Li , Tong Liu , Zengjia Liu , Bo Zhang , Bing Shen , Binbin Ruan , ZhiAn Ren , Meng Wang

We report on the hitherto unknown compound CeZn2-dGe2 (d approx 0.41). We find this compound to crystallize in a defect version of the well-known CaBe2Ge2 structure type. The phase forms in a Zn/In flux and with Zn-deficiency on one of its…

Strongly Correlated Electrons · Physics 2022-03-14 Robin Lefèvre , Fabian O von Rohr

Neutron and x-ray diffraction studies show that the simultaneous first-order transition to an orthorhombic and antiferromagnetic (AFM) ordered state in BaFe2As2 splits into two transitions with Co doping. For Ba(Fe0.953Co0.047)2As2, a…

The magnetic properties of a series of YBa2Cu3O7-x/La2/3Ca1/3MnO3 (YBCO/LC1/3MO) superlattices grown by dc sputtering at high oxygen pressures (3.5 mbar) show the expected ferromagnetic behaviour. However, field cooled hysteresis loops at…

Materials Science · Physics 2009-11-10 N. Haberkorn , J. Guimpel , M. Sirena , L. B. Steren , W. Saldarriaga , E. Baca , M. E. Gómez