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The ABO3 type charge-ordered antiferromagnetic Nd0.50Ca0.50MnO3 (NCMO) manganite is doped at A-site by 3 % of Ba2+ for Ca2+. The resulting system, Nd0.50Ca0.47Ba0.03MnO3 (NCBMO), is studied for the effects of Ba doping on the magnetic and…

Strongly Correlated Electrons · Physics 2007-05-23 Krushna R. Mavani , P. L. Paulose

Magnetoelastic and magnetoelectric coupling in the artificial multiferroic heterostructures facilitate valuable features for device applications such as magnetic field sensors and electric write magnetic-read memory devices. In a…

Given the paucity of single phase multiferroic materials (with large ferromagnetic moment), composite systems seem an attractive solution in the quest to realize magnetoelectric cou-pling between ferromagnetic and ferroelectric order…

Mesoscale and Nanoscale Physics · Physics 2014-09-15 P. Jain , Q. Wang , M. Roldan , A. Glavic , V. Lauter , C. Urban , Z. Bi , T. Ahmed , J. Zhu , M. Varela , Q. Jia , M. R. Fitzsimmons

In hybrid improper ferroelectric systems, polarization arises from the onset of successive nonpolar lattice modes. In this work, measurements and modeling were performed to determine the spatial symmetries of the phases involved in the…

Materials Science · Physics 2019-07-03 S. Liu , H. Zhang , S. Ghose , M. Balasubramanian , Zhenxian Liu , S. G. Wang , Y-S. Chen , B. Gao , J. Kim , S. -W. Cheong , T. A. Tyson

We report observation of magneto-electric and magneto-dielectric couplings in ceramic Co3TeO6. Temperature dependent DC magnetization and dielectric constant measurements together indicate coupling between magnetic order and electronic…

Materials Science · Physics 2013-09-26 Harishchandra Singh , Haranath Ghosh , A. K. Sinha , M. N. Singh , G. Sharma , S. Patnaik , S. K. Deb

It is essential to explore two-dimensional (2D) material with magnetic ordering in new generation spintronic devices. Particularly, the seeking of room-temperature 2D ferromagnetic (FM) materials is a hot topic of current research. Here, we…

Mesoscale and Nanoscale Physics · Physics 2018-09-07 Chang-Wei Wu , Jun-Han Huang , Dao-Xin Yao

Co/BaTiO$_3$(001) is one of the most interesting multiferroic heterostructures as it combines different ferroic phases, setting this way the fundamentals for innovative technical applications. Various theoretical approaches have been…

Materials Science · Physics 2016-09-21 St. Borek , J. Braun , J. Minar , D. Kutnyakhov , H. -J. Elmers , G. Schönhense , H. Ebert

We have studied selected rare earth doped and transition metal doped CeFe2 compounds by examining their structural, magnetic and magneto-thermal properties. With substitution of Ce by 5 and 10% Gd and 10% Ho, the Curie temperature can be…

Strongly Correlated Electrons · Physics 2015-05-19 Arabinda Haldar , K. G. Suresh , A. K. Nigam

From an experimental point of view, room temperature ferroelectricity in BiFeO3 is raising many questions. Electric measurements made a long time ago on solid-solutions of BiFeO3 with Pb(Ti,Zr)O3 indicate that a spontaneous electric…

Multiferroic BaMnF$_4$ powder were prepared by hydrothermal method. Hysteretic field dependent magnetization curve at 5 K confirms the weak ferromagnetism aroused from the canted antiferromagnetic spins by magnetoelectric coupling. The…

Materials Science · Physics 2015-12-18 Shuang Zhou , Ji Wang , Xiaofeng Chang , Shuangbao Wang , Bin Qian , Zhida Han , Qingyu Xu , Jun Du , Peng Wang , Shuai Dong

We present a systematic study of the magnetic properties of L1$_0$ binary alloys FeNi, CoNi, MnAl and MnGa via two different density functional theory approaches. Our calculations show large magnetocrystalline anisotropies in the order…

Materials Science · Physics 2015-02-23 Alexander Edström , Jonathan Chico , Adam Jakobsson , Anders Bergman , Jan Rusz

Strong spin-lattice coupling and prominent frustration effects observed in the 50$\%$ Fe-doped frustrated hexagonal ($h$)LuMnO$_3$ are reported. A N\'{e}el transition at $T_{\mathrm N} \approx$ 112~K and a possible spin re-orientation…

Strongly Correlated Electrons · Physics 2015-12-24 Harikrishnan S. Nair , Zhendong Fu , C. M. N. Kumar , V. Y. Pomjakushin , Yinguo Xiao , Tapan Chatterji , André M. Strydom

Abundant phenomena in CoCr2-xMnxO4 (x = 0 ~ 2) samples such as magnetic compensation, magnetostriction and exchange bias effect have been observed and investigated in this work. A structure transition from cubic to tetragonal symmetry has…

Materials Science · Physics 2013-10-21 H. G. Zhang , W. H. Wang , E. K. Liu , X. D. Tang , G. J. Li , J. L. Chen , H. W. Zhang , G. H. Wu

The multicaloric effect, which represents the reversible entropy change that occurs when both external magnetic and electric fields are applied, is an interesting phenomenon characteristic to multiferroics. Targeting the multicaloric effect…

Mn$_3$GaC undergoes a ferromagnetic to antiferromagnetic, volume discontinuous cubic-cubic phase transition as a function of temperature, pressure and magnetic field. Through a series of temperature dependent x-ray absorption fine structure…

Materials Science · Physics 2017-10-11 E. T. Dias , K. R. Priolkar , R. Ranjan , A. K. Nigam , S. Emura

We report the synthesis and properties of two new insulating phases of SrFeO3-d with introduction of oxygen deficiencies in metallic SrFeO3 ; one with 0.15 < d < 0.19 (sample A)and the other above d = 0.19 (sample B). Sample A shows large…

Materials Science · Physics 2009-11-11 S. Srinath , M. Mahesh Kumar , M. L. Post , H. Srikanth

Frequency dependence of magnetoelectric (ME) coupling is investigated in trilayers of ferromagnetic alloy and piezoelectric lead zirconate titanate (PZT). The ferromagnetic phases studied include permendur, a soft magnet with high…

Materials Science · Physics 2007-05-23 U. Laletsin , N. Paddubnaya , G. Srinivasan , M. I. Bichurin

Two magnetic ordering transitions are found in InMnO3, the paramagnetic to antiferromagnetic transition near ~118 K and a lower possible spin rotation transition near ~42 K. Multiple length scale structural measurements reveal enhanced…

Materials Science · Physics 2015-06-22 T. Yu , T. A. Tyson , P. Gao , T. Wu , X. Hong , S. Ghose , Y. -S. Chen

The effects of Cu-doping on the structural, magnetic, and transport properties of La0.7Sr0.3Mn1-xCuxO3 (0 < x < 0.20) have been studied using neutron diffraction, magnetization and magnetoresistance (MR) measurements. All samples show the…

Materials Science · Physics 2009-11-11 M. S. Kim , J. B. Yang , Q. Cai , X. D. Zhou , W. J. James , W. B. Yelon , P. E. Parris , D. Buddhikot , S. K. Malik

We measure the full elastic tensors of Mn$_3$Ge and Mn$_3$Sn as a function of temperature through their respective antiferromagnetic phase transitions. Large discontinuities in the bulk moduli at the N\'eel transitions indicate strong…

Strongly Correlated Electrons · Physics 2024-10-11 Florian Theuss , Sayak Ghosh , Taishi Chen , Oleg Tchernyshyov , Satoru Nakatsuji , B. J. Ramshaw
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