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We have investigated magnetization(M), magnetocaloric effect(MCE) and magnetothermopower(MTEP) in polycrystalline Pr0.6Sr0.4MnO3, which shows a second-order paramagnetic to ferromagnetic transition near room temperature (TC = 305 K).…

Strongly Correlated Electrons · Physics 2012-10-19 D. V. Maheshwar Repaka , T. S. Tripathi , M. Aparnadevi , R. Mahendiran

In order to further investigate the magnetic state of the RAgAl series, the magnetization measurements on the TbAgAl compound from this series have been extended to higher fields of 12 Tesla in the temperature range 2K-300K. The electrical…

Strongly Correlated Electrons · Physics 2025-12-30 Ashwin Mohan , Radha S

The experimental results of studying the resistivity and magnetic susceptibility are presented for the single crystal La(1-x)Sr(x)MnO(3) (x=0.15;0.175) and CaMnO(3-d). We revealed the temperature dependence of the magnetic component of…

Strongly Correlated Electrons · Physics 2007-05-23 E. A. Neifeld , V. E. Arkhipov , N. A. Ugryumova , A. V. Korolyov , Ya. M. Mukovsky

Magnetic reconnection is the most likely mechanism responsible for the high temperature events that are observed in strongly magnetized locations around the temperature minimum in the low solar chromosphere. This work improves upon our…

Solar and Stellar Astrophysics · Physics 2018-10-26 Lei Ni , Vyacheslav S. Lukin , Nicholas A. Murphy , Jun Lin

Neutron powder diffraction studies of the crystal and magnetic structures of the magnetocaloric compound Mn1.1Fe0.9(P0.8Ge0.2) have been carried out as a function of temperature, applied magnetic field, and pressure. The data reveal that…

Materials Science · Physics 2009-11-30 D. M. Liu , Q. Huang , M. Yue , J. W. Lynn , L. J. Liu , Y. Chen , Z. H. Wu , J. X. Zhang

We investigate the effect of a non-zero magnetic field on the chiral condensate using a holographic QCD approach. We extend the model proposed by Iatrakis, Kiritsis and Paredes in arXiv:1010.1364 that realises chiral symmetry breaking…

High Energy Physics - Theory · Physics 2020-12-02 Alfonso Ballon-Bayona , Jonathan P. Shock , Dimitrios Zoakos

In a recent paper (Michalopolou A., Syskakis E. and Papastaikoudis C., 2001 J. Phys.: Cond. Mat. 13, 11615) the authors reported on the measurements of electrical resistivity and specific heat at zero magnetic field carried out on…

Disordered Systems and Neural Networks · Physics 2009-11-07 E. Rozenberg , M. Auslender

We have studied the effect of electric field on transport properties of the prototypical phase separated manganite La5/8-yPryCa3/8MnO3 with y=0.34. Our results show that the suggested image in which the charge ordered state is melted by the…

Strongly Correlated Electrons · Physics 2015-06-25 J. Sacanell , A. G. Leyva , P. Levy

It is shown that the double exchange Hamiltonian, with weak antiferromagnetic interactions, has a rich variety of first order transitions between phases with different electronic densities and/or magnetizations. For band fillings in the…

Strongly Correlated Electrons · Physics 2009-10-31 J. L. Alonso , L. A. Fernandez , F. Guinea , V. Laliena , V. Martin-Mayor

Owing to their exceptional chemical and electronic tunability, metal-organic frameworks can be designed to develop magnetic ground states making a range of applications feasible, from magnetic gas separation to the implementation of…

We report the occurrence of both \emph{ab} and \emph{bc} cycloidal ordering of Mn-spins at different temperatures and their possible coexistence at low temperatures in the polycrystalline mixed rare-earth compounds,…

Materials Science · Physics 2015-08-18 Chandan De , A. Sundaresan

We study the spin polarised tunnelling mechanism through magnetisation and magnetoresistance in the granular polycrystalline colossal magnetoresistive manganite, La0.55Ho0.15Sr0.3MnO3. This system has a ferromagnetic transition temperature…

Strongly Correlated Electrons · Physics 2019-08-17 P. Raychaudhuri , A. K. Nigam , R. Pinto , Sujeet Chaudhary , S. B. Roy

The magnetic properties of the quasi-two-dimensional van der Waals magnet Fe$_{5-\delta}$GeTe$_2$ (F5GT), which has a high ferromagnetic ordering temperature $T_{\text{C}}$ $\sim$ 315 K, remains to be better understood. It has been…

Strongly Correlated Electrons · Physics 2023-04-26 Xiang Chen , Wei Tian , Yu He , Hongrui Zhang , Tyler L. Werner , Saul Lapidus , Jacob P. C. Ruff , Ramamoorthy Ramesh , Robert J. Birgeneau

The dynamics of the low energy excitations in a ferromagnet is studied in case a temperature gradient is coupled to the local magnetization. Due to the different time scales of changing temperature and magnetization it is argued that only…

Mesoscale and Nanoscale Physics · Physics 2011-12-26 Thomas Bose , Steffen Trimper

The time dependent response of the magnetic and transport properties of Fe-doped phase separated (PS) manganite La$_{0.5}$Ca$_{0.5}$MnO$_{3}$ is reported. The nontrivial coexistence of ferromagnetic (FM) and non FM regions induces a slow…

Strongly Correlated Electrons · Physics 2016-08-31 P. Levy , F. Parisi , L. Granja , E. Indelicato , G. Polla

The structural relaxation, potential energy states, and mechanical properties of a model glass subjected to thermal cycling are investigated using molecular dynamics simulations. We study a non-additive binary mixture which is annealed with…

Soft Condensed Matter · Physics 2018-12-05 Nikolai V. Priezjev

We measured the chemical and magnetic depth profiles of a single crystalline (La$_{1-x}$Pr$_x$)$_{1-y}$Ca$_y$MnO$_{3-{\delta}}$ (x = 0.52\pm0.05, y = 0.23\pm0.04, {\delta} = 0.14\pm0.10) film grown on a NdGaO3 substrate using x-ray…

Materials Science · Physics 2014-11-18 Surendra Singh , M. R. Fitzsimmons , T. Lookman , J. D. Thompson , H. Jeen , A. Biswas , M. A. Roldan , M. Varela

The effects of sintering temperature (Ts) and chemical substitution on the structural and magnetic properties of manganite compounds La1-xSrxMn1-yFeyO3 (0.025 <= x <= 0.7; y= 0.01,0.15) are explored in a search to optimize their…

Materials Science · Physics 2024-04-30 N. Brahiti , M. Balli , M. Abbasi Eskandari , A. El Boukili , P. Fournier

A tight binding parametrization of local spin density functional band theory is combined with a dynamical mean field treatment of correlations to obtain a theory of the magnetic transition temperature, optical conductivity and T=0 spinwave…

Strongly Correlated Electrons · Physics 2009-11-07 B. Michaelis , A. J. Millis

We experimentally demonstrate the existence of magnetic coupling between two ferromagnets separated by a thin Pt layer. The coupling remains ferromagnetic regardless of the Pt thickness, and exhibits a significant dependence on temperature.…

Materials Science · Physics 2015-06-11 W. L. Lim , N. Ebrahim-Zadeh , H. G. E. Hentschel , S. Urazhdin
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