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相关论文: Evolution of magnetism in cerium doped LaCo2P2 cry…

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We report the anisotropic magnetic properties of the ternary compound ErAl$_2$Ge$_2$. Single crystals of this compound were grown by high temperature solution growth technique,using Al:Ge eutectic composition as flux. From the powder x-ray…

强关联电子 · 物理学 2020-04-22 Moumita Nandi , A. Thamizhavel , S. K. Dhar

We review neutron scattering investigations of the crystal structures, magnetic structures, and spin dynamics of the iron-based RFe(As,P)O (R=La, Ce, Pr, Nd), (Ba,Sr,Ca)Fe2As2, and Fe1+x(Te-Se) systems. On cooling from room temperature all…

超导电性 · 物理学 2009-05-20 Jeffrey W. Lynn , Pengcheng Dai

The discovery of superconductivity in LaFeAsO introduced the ferropnictides as a major new class of superconducting compounds with critical temperatures second only to cuprates. The presence of magnetic iron makes ferropnictides radically…

超导电性 · 物理学 2016-03-22 A. L. Wysocki , K. D. Belashchenko , V. P. Antropov

We studied the in-plane angular magnetoresistance (AMR), in the normal state, of underdoped superconducting Sr1-xLaxCuO2 , which has the simplest crystal structure among cuprates. The measurements of two underdoped thin films with different…

超导电性 · 物理学 2023-04-18 V. P. Jovanović , H. Raffy , Z. Z. Li , G. Reményi , P. Monceau

The hybridization between the localized 4$f$ level ($f$) with conduction ($c$) states in $\gamma$-Ce upon cooling has been previously revealed in single crystalline thin films experimentally and theoretically, whereas its influence on the…

SrCo$_2$P$_2$ with a tetragonal structure is known to be a Stoner-enhanced Pauli paramagnetic metal being nearly ferromagnetic. Recently Schmidt et al. [Phys. Rev. B 108, 174415 (2023)] reported that a ferromagnetic ordered state is…

强关联电子 · 物理学 2024-07-30 Nao Furukawa , Qing-Ping Ding , Juan Schmidt , Sergey L. Bud'ko , Paul C. Canfield , Yuji Furukawa

The single-crystal growth, stoichiometry, and structure of Rb1-xFe2-ySe2-zSz crystals with substitution of Se by S are reported. The variation of the magnetic and thermodynamic parameters of samples was studied by differential-scanning…

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…

强关联电子 · 物理学 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

We use single-crystal neutron diffraction to determine the crystal structure symmetry and the magnetic evolution in the rhodium doped iridates $\rm Sr_2Ir_{1-x}Rh_{x}O_4$ ($0\leq x \leq 0.16$). Throughout this doping range, the crystal…

We report the single crystal growth and anisotropic magnetic properties of the tetragonal RAg$_2$Ge$_2$ (R = Pr, Nd and Sm) compounds which crystallize in the ThCr$_2$Si$_2$ type crystal structure with the space group \textit{I4/mmm}. The…

强关联电子 · 物理学 2015-05-13 Devang A. Joshi , R. Nagalakshmi , R. Kulkarni , S. K. Dhar , A. Thamizhavel

Quantum materials that feature magnetic long-range order often reveal complex phase diagrams when localized electrons become mobile. In many materials magnetism is rapidly suppressed as electronic charges dissolve into the conduction band.…

A correlation between the crystal structure and magnetic properties of system (1-x)BiFeO$_3$-(x)BaTiO$_3$ with compounds across the morphotropic phase boundary was studied using X-ray and neutron diffraction, magnetometry, and Mossbauer…

This paper aims at reporting magnetic properties of bulk polycrystalline Bi2Sr2Ca0.8Dy0.2Cu2O8-y samples textured under a magnetic field. The microstructure of these materials is highly anisotropic and exhibits particular features needed to…

超导电性 · 物理学 2009-11-07 Ph. Vanderbemden , H. Bougrine , M. Ausloos , R. Cloots

Structures and magnetic properties of Fe16-xCoxN2 are studied using adaptive genetic algorithm and first-principles calculations. We show that substituting Fe by Co in Fe16N2 with Co/Fe ratio smaller than 1 can greatly improve the magnetic…

材料科学 · 物理学 2016-12-28 Xin Zhao , Cai-Zhuang Wang , Yongxin Yao , Kai-Ming Ho

We have measured the magnetic properties of a mixed valency iron phosphate. It presents an original structure with crossed chains containing Fe II and orthogonal to the longest direction of the crystallites. Microstructural investigations…

材料科学 · 物理学 2015-05-19 Laure Adam , Alain Pautrat , Olivier Perez , Philippe Boullay

The unusual electronic and magnetic properties of the systems Ce$_3$Pd$_{20}$T$_6$ (T = Ge, Si) with two non-equivalent Ce positions are discussed. The logarithmic growth of resistance for both the systems confirms the presence of the Kondo…

强关联电子 · 物理学 2015-04-27 V. N. Nikiforov , Yu. A. Koksharov , A. V. Gribanov , M. Baran , V. Yu. Irkhin

We report room temperature ferromagnetism in Ni doped CeO2 nanoparticles using X-ray diffraction (XRD), high resolution transmission electron microscopy (HR-TEM), and dc magnetization measurements. Nanoparticles of Ce1-xNixO2 (0.0 \leq x…

介观与纳米尺度物理 · 物理学 2011-01-31 Shalendra Kumar , Young. Joo. Kim , B. H. Koo , C. G. Lee

We have investigated the magnetism and the superconductivity of an electron-doped Pr$_{1-x}$LaCe$_{x}$CuO$_{4}$ (PLCCO) using single crystal and powder samples by means of zero-field muon spin rotation/relaxation (ZF-$\mu$SR) and magnetic…

超导电性 · 物理学 2009-11-07 M. Fujita , T. Kubo , S. Kuroshima , T. Uefuji , K. Kawashima , K. Yamada , I. Watanabe , K. Nagamine

In the iron pnictides, the strong sensitivity of the iron magnetic moment to the arsenic position suggests a significant relationship between phonons and magnetism. We measured the phonon dispersion of several branches in the high…

Neutron diffraction measurements on a high quality single crystal of CeAu2Ge2 reveal two new magnetic structures that coexist with commensurate long range antiferromagnetic order below the Neel temperature T_N ~ 14 K. The new magnetic…

强关联电子 · 物理学 2012-09-03 D. K. Singh , A. Thamizhavel , J. W. Lynn , S. K. Dhar , T. Hermann