中文
相关论文

相关论文: Impact of the Fe Doping on Magnetism in Perovskite…

200 篇论文

The bulk samples of CuO and Fe-doped CuO were synthesized by ceramics methods. Structural and compositional analyses were performed by using X-ray diffraction, SEM, and EDAX. Through this manuscript, we are going to report the effect of…

材料科学 · 物理学 2021-12-23 Kumar Brajesh , Ritamay Bhunia , Shashikant Gupta , Rajeev Gupta , Ambesh Dixit , Ashish Garg

The structural, magnetic and transport properties of the layered RBaCo$_2$O$_{5.5}$ cobaltites are sensitive to the oxygen stoichiometry. In this present study, we report the presence of a low-temperature magnetic glassy state in…

强关联电子 · 物理学 2020-03-18 Archana Kumari , C. Dhanasekhar , A. K. Das

Fe-doped III-V ferromagnetic semiconductors (FMSs) such as (In,Fe)As, (Ga,Fe)Sb, (In,Fe)Sb, and (Al,Fe)Sb are promising materials for spintronic device applications because of the availability of both n- and p-type materials and the high…

We have studied the magnetism of the Pr3+ ions in PrFeAsO_1-xF_x (x = 0; 0.15) and its interaction with the Fe magnetic order (for x = 0). Specific heat data confirm the presence of a first excited crystal electric field (CEF) level around…

超导电性 · 物理学 2015-06-05 U. Stockert , N. Leps , L. Wang , G. Behr , S. Wurmehl , B. Büchner , R. Klingeler

We have studied the dynamic response of Fe doped manganites with ac susceptibility measurements on bulk La0.65Ca0.35Mn1-yFeyO3 with 0.01<y<0.10 as functions of temperature and dc field. It is observed that the in phase part goes through a…

强关联电子 · 物理学 2010-07-23 Wiqar Hussain Shah , S. K. Hasanain

We report the doping high concentration of tetravalent Ge4+ ions (5 mol % for x = 0.05 to 30 mol % for x = 0.30) at the Fe3+ sites of Fe2-xGexO3 system by chemical coprecipitation route. The charge state of Fe and Ge ions has been modified…

材料科学 · 物理学 2023-09-08 Divya Sherin G T , R. N Bhowmik

This work presents a systematic study of the magnetocaloric effect in the nanostructured perovskite series $La_{0.6}Sr_{0.4}Fe_{1-x}Co_{x}O_3$ (x = 0, 0.2, 0.5, 0.8, and 1.0), synthesized by a pore-wetting method using polymeric membranes…

材料科学 · 物理学 2026-05-14 Fabiana N. Morales Alvarez , Mariano Quintero , Joaquín Sacanell

CoSn is a Pauli paramagnet with relatively flat d-bands centered about 100 meV below the Fermi energy Ef. Single crystals of CoSn lightly doped with Fe, In, or Ni are investigated using x-ray and neutron scattering, magnetic susceptibility…

The structural, magnetic and transport properties have been studied of Li doped CoV2O4 and FeV2O4. Li doping increases the ferri-magnetic ordering temperature of both the samples but decreases the spin-glass transition temperature of…

The exchange stiffness of magnetic materials is one of the essential parameters governing magnetic texture and its dynamics in magnetic devices. The effect of single-element doping on exchange stiffness has been investigated for several…

材料科学 · 物理学 2024-01-17 Shiho Nakamura , Nobuyuki Umetsu , Michael Quinsat , Masaki Kado

We investigated the magnetic properties of (La$_{1-x}$Ba$_{x}$)(Zn$_{1-x}$Mn$_{x}$)AsO with $x$ varying from 0.005 to 0.05 at an external magnetic field of 1000 Oe. For doping levels of $x$ $\leq$ 0.01, the system remains paramagnetic down…

强关联电子 · 物理学 2018-12-04 Guoxiang Zhi , Kai Wang , Haojie Zhang , Cui Ding , Shengli Guo , Yilun Gu , Licheng Fu , F. L. Ning

Application of pressures or electron-doping through Co substitution into Fe sites transforms the itinerant antiferromagnet BaFe(2)As(2) into a superconductor with the Tc exceeding 20K. We carried out systematic transport measurements of…

The Ca$_2$MnReO$_6$ double perovskite is a spin-orbit-assisted Mott insulator with exotic magnetic properties, including a largely non-collinear Mn$^{2+}$ spin arrangement and nearly orthogonal coupling between such spins and the much…

We investigated Fe-substitution effects on ferromagnetic fluctuations in the superconducting overdoped and non-superconducting heavily overdoped regimes of the Bi-2201 cuprates by the magnetization and electrical-resistivity measurements.…

超导电性 · 物理学 2021-07-07 Y. Komiyama , S. Onishi , M. Harada , H. Kuwahara , H. Kuroe , K. Kurashima , T. Kawamata , Y. Koike , I. Watanabe , T. Adachi

We report the doping effects of cobalt on van der Waals (vdW) magnet Fe$_5$GeTe$_2$. A series of (Fe$_{1-x}$Co$_x$)$_5$GeTe$_2$ (0$\leq$x$\leq$0.44) single crystals have been successfully grown, their structural, magnetic and transport…

介观与纳米尺度物理 · 物理学 2020-06-05 Congkuan Tian , Feihao Pan , Sheng Xu , Kun Ai , Tian-long Xia , Peng Cheng

An investigation of La and Ca doped Sr4Ru3O10, featuring a coexistence of interlayer ferromagnetism and intralayer metamagnetism, is presented. La doping readily changes magnetism between ferromagnetism and metamagnetism by tuning the…

强关联电子 · 物理学 2009-11-11 S. Chikara , V. Durairaj , W. H. Song , Y. P. Sun , X. N. Lin , A. Douglass , G. Cao , P. Schlottmann

We performed a systematic study on the properties of CeFeAs$_{1-x}$P$_{x}$O ($0\leq x\leq 1$) by electrical resistivity, magnetization and specific heat measurements. The c-axis lattice constant decreases significantly with increasing P…

强关联电子 · 物理学 2010-04-27 Yongkang Luo , Yuke Li , Shuai Jiang , Jianhui Dai , Guanghan Cao , Zhuan Xu

The 3$d$-5$d$ based double perovskites are of current interest as they provide model system to study the interplay between electronic correlation ($U$) and spin-orbit coupling (SOC). Here we report detailed structural, magnetic and…

强关联电子 · 物理学 2017-10-30 K C Kharkwal , A K Pramanik

The study of the ordered oxygen deficient perovskite EuBaCo2-xNixO5.50 shows that the doping of cobalt sites by nickel induces a strong ferromagnetic component at low temperature in the antiferromagnetic matrix of EuBaCo2O5.50. This system…

材料科学 · 物理学 2009-11-11 B. Raveau , Ch. Simon , V. Caignaert , V. Pralong , F. X. Lefevre

When suppressing the itinerant antiferromagnetism in chromium by doping with the isostructual itinerant ferromagnet iron, a dome of spin-glass behavior emerges around a putative quantum critical point at an iron concentration $x \approx…