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We prepared a powder sample of edwardsite Cd2Cu3(SO4)2(OH)6 4H2O, which is a new candidate compound for the spin-1/2 kagome antiferromagnet, and studied its magnetic properties by magnetic susceptibility and heat capacity measurements.…

Materials Science · Physics 2015-06-15 Hajime Ishikawa , Yoshihiko Okamoto , Zenji Hiroi

Pyrochlores offer an ideal playground to investigate the magnetic ground state of frustrated magnetic systems. In this class of materials, competition between various magnetic interactions remains frustrated and prevents an ordered magnetic…

Strongly Correlated Electrons · Physics 2022-10-06 Karan Singh , Dheeraj Ranaut , G. Sharma , K. Mukherjee

We report detailed magnetization measurements on the perovskite oxide NdNiO$_3$. This system has a first order metal-insulator (M-I) transition at about 200 K which is associated with charge ordering. There is also a concurrent paramagnetic…

Strongly Correlated Electrons · Physics 2016-01-11 Devendra Kumar , K. P. Rajeev , J. A. Alonso , M. J. Martinez-Lope

The rare earth magnetic order in pure and doped Er$_{(1-x)}$Ho$_{x}$Ni$_2$B$_2$C (x~=~0,~0.25,~0.50,~0.75,~1) single crystal samples was investigated using magnetization and neutron diffraction measurements. Superconducting quaternary…

Resonant x-ray scattering at the Dy $M_5$ and Ni $L_3$ absorption edges was used to probe the temperature and magnetic field dependence of magnetic order in epitaxial LaNiO$_3$-DyScO$_3$ superlattices. For superlattices with 2 unit cell…

Strongly Correlated Electrons · Physics 2017-06-07 M. Bluschke , A. Frano , E. Schierle , M. Minola , M. Hepting , G. Christiani , G. Logvenov , E. Weschke , E. Benckiser , B. Keimer

Photo-Thermoelectric (PTE) response is usually one of the main working mechanisms for photodetectors. However, as another fast and easier way to measure thermoelectric characteristics of materials, it can also reveal important physics such…

Strongly Correlated Electrons · Physics 2023-05-17 Qiang Chen , Jialin Li , Huanfeng Zhu , Tian Zhang , Wei Tang , Hui Xing , Jin Peng , Zhiqiang Mao , Linjun Li

We report the magnetic properties of the double perovskites SrLaCuSbO$_6$ (SLCSO) and SrLaCuNbO$_6$ (SLCNO). The temperature dependence of the magnetic susceptibilities of both compounds shows a broad maximum characteristic of an…

Strongly Correlated Electrons · Physics 2022-03-02 Masari Watanabe , Nobuyuki Kurita , Hidekazu Tanaka , Wataru Ueno , Kazuki Matsui , Takayuki Goto , Masato Hagihala

Double perovskites like Sr$_2$FeMoO$_6$ are materials with half-metallic ground states and ferrimagnetic T$_{\rm{c}}$'s well above room temperature. This paper is the second of our comprehensive theory for half metallic double perovskites.…

Strongly Correlated Electrons · Physics 2013-04-08 Onur Erten , O. Nganba Meetei , Anamitra Mukherjee , Mohit Randeria , Nandini Trivedi , Patrick Woodward

Double perovskite-based magnets wherein frustration and competition between emergent degrees of freedom are at play can lead to novel electronic and magnetic phenomena. Herein, we report the electronic structure and magnetic properties of…

We report on the increase in the spin reorientation temperature in HoFe0.5Cr0.5O3 compound by isovalent substitution Cr3+ at the Fe-site and the magnetocapacitance in the HoFeO3 compound. Spin reorientation transition is evident around 50 K…

Materials Science · Physics 2016-08-24 Ganesh Kotnana , S. Narayana Jammalamadaka

We present detailed magnetization and magneto-transport studies on the title compound SmCoAsO. In a recent paper we reported [1] the complex magnetism of this compound. SmCoAsO undergoes successive paramagnetic (PM) - ferro-magnetic (FM) -…

Superconductivity · Physics 2015-05-28 V. P. S. Awana , Anand Pal , Bhasker Gahtori , H. Kishan

We discuss the magnetic properties of a Sm$_{2}$Mo$_{2}$O$_{7}$ single crystal as investigated by means of different experimental techniques. In the literature, a conventional itinerant ferromagnetic state is reported for the Mo$^{4+}$…

Strongly Correlated Electrons · Physics 2014-08-13 G. Prando , P. Carretta , A. U. B. Wolter , R. Saint-Martin , A. Revcolevschi , B. Büchner

We investigated the magnetic phase diagram of single crystals of SrNdFeO$_{4}$ by measuring the magnetic properties, the specific heat and the dielectric permittivity. The system has two magnetically active ions, Fe$^{3+}$ and Nd$^{3+}$.…

Materials Science · Physics 2015-06-05 J. M. Hwang , E. S. Choi , H. D. Zhou , Y. Xin , J. Lu , P. Schlottmann

A two-sublattice spin-fermion model of ferrimagnetic spinel, with spin-$1/2$ itinerant electrons at the sublattice $A$ site and spin-$s$ localized electrons at the sublattice $B$ site is considered. The exchange between itinerant and…

Strongly Correlated Electrons · Physics 2015-06-23 Naoum Karchev

We report investigations of the structural, magnetic, electrical transport and thermal properties of five compositions of the metallic perovskite GdRh$_3$C$_{1-x}$B$_x$ ($0.00 \le x \le 1.00$). Our results show that all the five…

Strongly Correlated Electrons · Physics 2020-09-09 Abhishek Pandey , A. K. Singh , Shovan Dan , K. Ghosh , I. Das , S. Tripathi , U. Kumar , R. Ranganathan , D. C. Johnston , Chandan Mazumdar

Single phase polycrystalline sample of perovskite Sr2TiMnO6 (STMO) has been successfully synthesized via solid state reaction route. Its detailed structural and physical properties have been studied using x-ray diffraction, transmission…

Materials Science · Physics 2016-09-06 Shivani Sharma , R. Rawat , N. P. Lalla

The mixed-valent multiferroic compound CaMn7O12 is studied for its magnetic and electric properties. The compound undergoes magnetic ordering below 90 K with a helimagnetic structure followed by a low temperature magnetic anomaly observed…

Strongly Correlated Electrons · Physics 2013-07-23 J. Sannigrahi , S. Chattopadhyay , D. Dutta , S. Giri , S. Majumdar

The interplay between competing degrees of freedom can stabilize non-trivial magnetic states in correlated electron materials. Frustration-induced strong quantum fluctuations can evade long-range magnetic ordering leading to exotic quantum…

Strongly Correlated Electrons · Physics 2023-10-12 B. Sana , M. Barik , M. Pregelj , U. Jena , M. Baenitz , J. Sichelschmidt , K. Sethupathi , P. Khuntia

The magnetic state of the single-component molecular compound, [Cu(tmdt)$_{2}$], is investigated by means of $^{1}$H-NMR. An abrupt spectral broadening below 13 K and a sharp peak in nuclear spin-lattice relaxation rate, $T_{1}^{-1}$, at 13…

Strongly Correlated Electrons · Physics 2012-05-31 Rina Takagi , Kazuya Miyagawa , Kazushi Kanoda , Biao Zhou , Akiko Kobayashi , Hayao Kobayashi

We have studied the atomic ordering of B-site transition metals and magnetic properties in the pulsed-laser deposited films of La2CrFeO6 (LCFO) and La2VMnO6 (LVMO), whose bulk materials are known to be single perovskites with random…

Materials Science · Physics 2015-06-12 Akira Ohtomo , Suvankar Chakraverty , Hisanori Mashiko , Takayoshi Oshima , Masashi Kawasaki