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Related papers: CaCrO3: an anomalous antiferromagnetic metallic ox…

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The compound, Nd7Rh3, crystallizing in Th7Fe3-type hexagonal structure, was previously known to exhibit two magnetic transitions, one at 32 K and the other at 10 K (in zero magnetic field). Here, we report the existence of a field-induced…

Strongly Correlated Electrons · Physics 2009-11-11 Kausik Sengupta , E. V. Sampathkumaran

The 5d iridium-based transition metal oxides have gained broad interest because of their strong spin-orbit coupling which favors new or exotic quantum electronic states. On the other hand, they rarely exhibit more mainstream orders like…

Strongly Correlated Electrons · Physics 2022-01-26 Arun Kumar Jaiswal , Di Wang , Vanessa Wollersen , Rudolf Schneider , Matthieu Le Tacon , Dirk Fuchs

We have investigated the magnetic, dielectric and magnetodielectric (MDE) behavior of a geometrically frustrated spin-chain system, Ca3Co1.4Rh0.6O6, in the single crystalline form for different orientations. The results bring out that the…

Strongly Correlated Electrons · Physics 2015-06-22 Tathamay Basu , Kartik K. Iyer , Kiran Singh , K. Mukherjee , P. L. Paulose , E. V. Sampathkumaran

A combination of variable-temperature neutron scattering, reverse Monte Carlo analysis and direct Monte Carlo simulation is used to characterise the emergence of magnetic order in the metal--organic framework (MOF) Tb(HCOO)$_3$ over the…

Disordered Systems and Neural Networks · Physics 2016-12-21 Daniel R. Harcombe , Philip G. Welch , Pascal Manuel , Paul J. Saines , Andrew L. Goodwin

Comprehensive studies of magnetic properties of GdCr3(BO3)4 single crystal have been carried out. The integrals of intrachain and interchain exchange interactions in the chromium subsystem have been determined and the strength of Cr-Gd…

SrRuO3 is a ferromagnetic metal with several unusual physical properties such as zero thermal expansion below Tc, so-called Invar behavior. Another anomalous feature is that the a-axis lattice constant is larger than the b-axis lattice…

Strongly Correlated Electrons · Physics 2015-06-17 Sanghyun Lee , J. R. Zhang , S. Torii , Seongil Choi , Deok-Yong Cho , T. Kamiyama , Jaejun Yu , K. A. McEwen , Je-Geun Park

Epitaxial La3/4Ca1/4MnO3/MgO(100) (LCMO) thin films show unusual rhombohedral (R-3c) structure with a new perovskite superstructure due to unique ordering of La and Ca at the A-site positions. Very sharp insulator-metal and…

Strongly Correlated Electrons · Physics 2009-11-11 V. Moshnyaga , L. Sudheendra , O. I. Lebedev , K. Gehrke , O. Shapoval , A. Belenchuk , S. A. Koester , B. Damaschke , G. van Tendeloo , K. Samwer

We carried out detailed studies of the magnetic structure, magnetoelastic coupling, and thermal properties of EuCrO$_3$ nano-powders from room temperature to liquid helium temperature. Our neutron powder diffraction and X-ray powder…

Strongly Correlated Electrons · Physics 2016-04-07 M. Taheri , F. S. Razavi , Z. Yamani , R. Flacau , P. G. Reuvekamp , A. Schulz , R. K. Kremer

We present the results of magnetic measurements on Nd6Co(1.67)Si3, a compound recently reported to crystallize in a hexagonal structure (space group P6_3/m) and to undergo long range magnetic ordering below 84 K. The results reveal that the…

Strongly Correlated Electrons · Physics 2009-11-13 Niharika Mohapatra , S. Narayana Jammalamadaka , Sitikantha D. Das , E. V. Sampathkumaran

In this work, we study the effect of the magnetic dilution of Cr$^{3+}$ on the LaCrO$_3$ half doped with Al. Pure and half-doped samples were prepared by combustion method using urea as fuel. The crystal structure was investigated by X-ray…

Materials Science · Physics 2015-02-23 Romualdo S. Silva , Petrucio Barrozo , N. O. Moreno , J. Albino Aguiar

LiCrO2 is a 2D triangular antiferromagnet, isostructural with the common battery material LiCoO2 and a well-known Jahn-Teller antiferromagnet NaNiO2. As opposed to the latter, LiCrO2 exibits antiferromagnetic exchange in Cr planes, which…

Materials Science · Physics 2015-06-25 I. I. Mazin

Long-range magnetic orders in atomically thin ferromagnetic CrI3 give rise to new fascinating physics and application perspectives. The physical properties of two-dimensional (2D) ferromagnetism CrI3 are significantly influenced by…

Materials Science · Physics 2019-11-13 Kai Guo , Bowen Deng , Zhongtai Shi , Yue Li , Xin Wang , Lei Bi , Li Zhang , Haipeng Lu , Peiheng Zhou , Linbo Zhang , Yingchun Cheng , Bo Peng

The structural properties of BiMn$O_3$ were determined from neutron powder diffraction data as a function of temperature and magnetic field. The structure at all temperatures was found to be centrosymmetric with space group $C2/c$, which is…

Strongly Correlated Electrons · Physics 2009-11-13 E. Montanari , G. Calestani , L. Righi , E. Gilioli , F. Bolzoni , K. S. Knight , P. G. Radaelli

The recently discovered multiferroic material CdCr2S4 shows a coexistence of ferromagnetism and relaxor ferroelectricity together with a colossal magnetocapacitive effect. The complex dielectric permittivity of this compound and of the…

Strongly Correlated Electrons · Physics 2009-11-11 J. Hemberger , P. Lunkenheimer , R. Fichtl , S. Weber , V. Tsurkan , A. Loidl

Disorder in magnetic systems typically suppresses long-range order, promoting short-range states such as spin glasses and magnetic clusters. This is particularly prominent in high-entropy materials, characterized by the random distributions…

Using ultrafast optical spectroscopy, we show that polaronic behavior associated with interfacial antiferromagnetic order is likely the origin of tunable magnetotransport upon switching the ferroelectric polarity in a…

Strongly Correlated Electrons · Physics 2014-04-04 Y. M. Sheu , S. A. Trugman , L. Yan , J. Qi , Q. X. Jia , A. J. Taylor , R. P. Prasankumar

We report on the magnetic structure and ordering of hexagonal LuFeO3 films grown by molecular-beam epitaxy (MBE) on YSZ (111) and Al2O3 (0001) substrates. Using a set of complementary probes including neutron diffraction, we find that the…

At crystalline interfaces where a valence mismatch exists, electronic and structural interactions may occur to relieve the polar mismatch leading to the stabilization of non-bulklike phases. We show that spontaneous reconstructions at polar…

Strongly Correlated Electrons · Physics 2019-06-04 Sanaz Koohfar , Alexandru Bogdan Georgescu , Aubrey Penn , James M. LeBeau , Elke Arenholz , Divine Philip Kumah

The compound, Ca3CoRhO6, containing magnetic Co-Rh chains intervened by Ca ions, has been known to be one of the few exhibiting partially disordered antiferromagnetic structure (PDA) due to geometrical frustration. Here, we report the…

Strongly Correlated Electrons · Physics 2009-11-13 Niharika Mohapatra , E. V. Sampathkumaran

CaCo$_{2}$As$_{2}$, a ThCr$_{2}$Si$_{2}$-structure compound, undergoes an antiferromagnetic transition at \emph{T$_{N}$}=76K with the magnetic moments being aligned parallel to the \emph{c} axis. Electronic transport measurement reveals…

Strongly Correlated Electrons · Physics 2015-06-04 B. Cheng , B. F. Hu , R. H. Yuan , T. Dong , A. F. Fang , Z. G. Chen , G. Xu , Y. G. Shi , P. Zheng , J. L. Luo , N. L. Wang