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Related papers: Griffiths-like phase, spin-phonon coupling, and ex…

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The Griffiths phase-like features and the spin-phonon coupling effects observed in Tb$_2$NiMnO$_6$ are reported. The double perovskite compound crystallizes in monoclinic $P2_1/n$ space group and exhibits a magnetic phase transition at $T_c…

Strongly Correlated Electrons · Physics 2015-06-03 Harikrishnan S. Nair , Diptikanta Swain , Hariharan N. , Shilpa Adiga , Chandrabhas Narayana , Suja Elizabeth

Combining experimental investigations and first-principles DFT calculations, we report physical and magnetic properties of Gd-substituted Y$_2$CoMnO$_6$ double perovskite, which are strongly influenced by antisite-disorder-driven spin…

Materials Science · Physics 2023-02-28 Anasua Khan , Sarita Rajput , M. Anas , V. K. Malik , T. Maitra , T. K Nath , A. Taraphder

The perovskite TbFe$_{0.5}$Cr$_{0.5}$O$_3$ shows two anomalies in the magnetic susceptibility at $T_N$ = 257K and $T_{SR}$ = 190K which are respectively, the antiferromagnetic and spin reorientation transition that occur in the Fe/Cr…

In the present investigation, some novel magnetic behaviors exhibited by double perovskite (DP) Eu2CoMnO6(ECMO) has been reported. XRD analysis of ECMO showed that it has a monoclinic crystal structure (space group P 21/n). A second-order…

Materials Science · Physics 2019-09-30 Mohd Alam , Arkadeb Pal , Khyati Anand , Prajyoti Singh , Sandip Chatterjee

Double perovskite (DP) oxide material receive extensive research interest due to exciting physical properties with potential technological application. 3$d$ based DP oxides are promising for exciting physics like magnetodielectric,…

Strongly Correlated Electrons · Physics 2019-04-26 Ilyas Noor Bhatti , Rabindra Nath Mahato , Imtiaz Noor Bhatti , M. A. H. Ahsan

We have investigated the temperature-dependent Raman-active phonons and the magnetic properties of Gd(Co1/2Mn1/2)O3 perovskite ceramics in the temperature range from 40 K to 300 K. The samples crystallized in an orthorhombic distorted…

Materials Science · Physics 2015-06-17 R. X. Silva , H. Reichlova , X. Marti , D. A. B. Barbosa , M. W. Lufaso , A. P. Ayala , C. W. A. Paschoal

We present Raman spectroscopy results backed by first-principles calculations and investigate the nature of possible spin-phonon coupling (SPC) in a Gd-doped Y$_2$CoMnO$_6$ (YGCMO) double perovskite oxide. The influence of Gd substitution,…

Materials Science · Physics 2025-08-20 Anasua Khan , Debdatta Banerjee , Divya Rawat , T. K Nath , Ajay Soni , Swastika Chatterjee , A. Taraphder

The structural and magnetic properties of double perovskiteTb2CoMnO6 have been investigated. Electronic structure analysis by XPS study reveals the presence of mixed oxidation state (Mn4+/Mn3+ and Co2+/Co3+) of B-site ions. The dc and ac…

Materials Science · Physics 2019-10-31 Khyati Anand , Arkadeb Pal , Prajyoti Singh , Md. Alam , Amish G Joshi , Anita Mohan , Sandip Chatterjee

La$_{1.5}$Sr$_{0.5}$CoMn$_{0.5}$Fe$_{0.5}$O$_{6}$ (LSCMFO) compound was prepared by solid state reaction and its structural, electronic and magnetic properties were investigated. The material forms in rhombohedral $R\bar{3}c$ structure, and…

We report the experimental observation of spin reorientation in the double perovskite Ho$_2$FeCoO$_6$. The magnetic phase transitions in this compound are characterized and studied through magnetization and specific heat, and the magnetic…

The structural, electronic and magnetic properties of anti-site disordered Sm$ _{2} $NiMnO$ _{6} $ double perovskite has been studied. RE$_{2}$NiMnO$_{6}$ (RE: rare-earth) ordered double perovskite is commonly believed to show two distinct…

Materials Science · Physics 2025-07-28 S. Majumder , M. Tripathi , P. Rajput , S. N. Jha , R. J. Choudhary , D. M. Phase

We report on the observation of exchange bias and memory effect in double perovskite Sr$_2$FeCoO$_6$. Antiphase boundaries between the ferromagnetic and antiferromagnetic regions in the disordered glassy phase is assumed as responsible for…

Strongly Correlated Electrons · Physics 2015-06-11 R. Pradheesh , S. Nair Harikrishnan , V. Sankaranarayanan , K. Sethupathy

We report the comprehensive experimental results identifying the magnetic spin ordering and the magnetization dynamics of a double perovskite Pr2CoFeO6 by employing the (dc and ac) magnetization, powder neutron diffraction (NPD) and X-ray…

Double-perovskite oxides that contain both 3d and 5d transition metal elements have attracted growing interest as they provide a model system to study the interplay of strong electron interaction and large spin-orbit coupling (SOC). Here,…

Strongly Correlated Electrons · Physics 2016-09-01 W. K. Zhu , J. -C. Tung , W. Tong , L. Ling , M. Starr , J. M. Wang , W. C. Yang , Y. Losovyj , H. D. Zhou , Y. Q. Wang , P. -H. Lee , Y. -K. Wang , Chi-Ken Lu , S. X. Zhang

Electronic structure, electrical transport, dc and ac magnetization properties of the hole substituted (Sr2+) partially B-site disordered double perovskite Pr2-xSrxCoMnO6 system have been investigated. Electronic structure was probed by…

We present a comprehensive study on the magnetic structure, dynamics, and phase evolution in the single-phase double perovskite $La_2CoMnO_6$. The mixed valence state due to oxygen deficiency is verified by X-ray photoelectron spectroscopy,…

The subtle interplay between spin-orbit coupling, exchange interactions, and cation ordering can lead to exotic magnetic states in transition-metal ions. We report a comprehensive study of the Re-based (5$d^1$) ordered double perovskite…

The magnetic properties of the double perovskite oxide $Sr_{2}$FeMo$O_{6}$ are analyzed using a mixed-spin Ising model with spins $\left( \frac{1}{2},\frac{5}{2}\right) $ in the presence of a random crystal field $\Delta$ and exchange…

Statistical Mechanics · Physics 2025-03-10 Said Khaireddine , Redouane Assad , Mohammed El Falaki , Rachid Ahl Lamara , Lalla Btissam Drissi

We investigate the structural, magnetic and spin-state transitions, and magnetocaloric properties of Sr$_{2-x}$La$_x$CoNbO$_6$ ($x=$ 0--1) double perovskites. The structural transition from tetragonal to monoclinic phase at $x$ $\geqslant$…

Materials Science · Physics 2020-04-21 Ajay Kumar , R. S. Dhaka

We report the results of ac and dc magnetic susceptibility (chi), heat-capacity (C), isothermal magnetization and isothermal remanent magnetization measurements on the compound, Sr3CuRhO6, crystallizing in a K4CdCl6-derived monoclinic…

Strongly Correlated Electrons · Physics 2007-05-23 E. V. Sampathkumaran , Niharika Mohapatra , Sudhindra Rayaprol , Kartik K Iyer
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