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The large, so-called colossal, magnetoresistivity of doped manganese oxides based on LaMnO3 has attracted considerable attention, but only one unusual feature of the ferromagnetic transition in these compounds. We examine in this paper the…

Strongly Correlated Electrons · Physics 2009-11-10 M. B. Salamon , S. H. Chun

Here We present the structural studies on MnTi1-xRuxO3(x=0, 0.2) compounds. The role of Ti ions in the magnetism of MnTiO3 was unclear so here this issue has been tried to address in this manuscript. The magnetic susceptibility data shows…

Strongly Correlated Electrons · Physics 2016-05-19 R. K. Maurya

We report on structural, magnetic, electrical, and thermodynamic properties of Gd-doped LaMnO3 single crystals for Gd doping levels 0 <= x <= 1. At room temperature, for all doping levels the orthorhombic O' phase is indicative for a strong…

Strongly Correlated Electrons · Physics 2009-11-10 J. Hemberger , S. Lobina , H. -A. Krug von Nidda , N. Tristan , V. Yu. Ivanov , A. A. Mukhin , A. M. Balbashov , A. Loidl

We report a detailed single crystal investigation of a magnetoelectric ferrimagnet Cu2OSeO3 using dc magnetization and ac susceptibility along the three principal directions [100], [110] and [111]. We have observed that in small magnetic…

Materials Science · Physics 2012-05-24 I. Živković , D. Pajić , T. Ivek , H. Berger

The crystallographic and magnetic properties of the cleavable 4d3 transition metal compound a-MoCl3 are reported, with a focus on the behavior above room temperature. Crystals were grown by chemical vapor transport and characterized using…

We report on the synthesis and characterization of BiFe0.5Mn0.5O3, a potential type-I multiferroic compound displaying temperature induced magnetization reversal. Bulk samples were obtained by means of solid state reaction carried out under…

We report here a comprehensive study on structural, magnetic, caloric and electronic properties of the monoclinic phase of double perovskite compound Tm2CoMnO6 (TCMO) in its polycrysttaline format. Magnetic measurements confirm the presence…

Materials Science · Physics 2023-07-13 A. Banerjee , Gangadhar Das , V. Rajaji , S. Majumdar , P. K. Chakrabarti

Evolution of magnetism in single crystals of the van der Waals compound VI3 in external pressure up to 7.3 GPa studied by measuring magnetization and ac magnetic susceptibility is reported. Four magnetic phase transitions, at T1 = 54.5 K,…

Complex magneto structural behaviour of rare rich intermetallic Tb$_3$Co is reported in this study. Below the 84K (T$_N$), it undergoes a first order magnetic transition 72K confirmed from specific heat and magnetization measurements.…

Materials Science · Physics 2019-08-23 Srikanta Goswami , P. D. Babu , R. Rawat

Homogeneous single phase GdCrO3 nanoparticles are synthesized by a modified-hydrothermal synthesis. The sample shows a compensation temperature at 128 K, below which the DC magnetization becomes negative and positive at low temperatures due…

Mesoscale and Nanoscale Physics · Physics 2014-02-19 Y. Sundarayya , S. Srinath

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

The magnetic susceptibility between 1.5 and 800 K, the infrared reflectivity at room temperature and the temperature dependence of the dielectric constant at mm-wavelengths are reported for single crystalline BiFeO3. A well developed…

Strongly Correlated Electrons · Physics 2010-07-22 Jun Lu , M Schmidt , P Lunkenheimer , A Pimenov , A A Mukhin , V D Travkin , A Loidl

We report a detailed investigation of magnetic relaxation and memory effects in La$_{0.9}$Sr$_{0.1}$CoO$_3$ single crystal from dc magnetization measurements. The analysis of magnetic relaxation at different temperatures and magnetic fields…

Strongly Correlated Electrons · Physics 2015-06-19 N. Khan , P. Mandal , D. Prabhakaran

Magnetic properties of high-quality Al-free nonsuperconducting GdBa_2Cu_3O_{6+y} single crystals grown by flux method have been studied. The magnetic anisotropy below the N\'eel temperature T_N~2.3K corresponds to the direction of Gd^{3+}…

Materials Science · Physics 2016-08-31 V. N. Narozhnyi , D. Eckert , G. Fuchs , V. Nekvasil , K. -H. Müller

A thermodynamic and transport study of Sr4Ru3O10 as a function of temperature and magnetic field is presented. The central results include a growing specific heat C with increasing field B, a magnetic contribution to C/T at low temperatures…

Strongly Correlated Electrons · Physics 2009-11-13 G. Cao , S. Chikara , J. W. Brill , Schlottmann

Magnetic dc susceptibility between 1.5 and 800 K, ac susceptibility and magnetization, thermodynamic properties, temperature dependence of radio and audio-wave dielectric constants and conductivity, contact-free dielectric constants at…

Materials Science · Physics 2010-07-22 Jun Lu , A. Günther , F. Schrettle , F. Mayr , S. Krohns , P. Lunkenheimer , A. Pimenov , V. D. Travkin , A. A. Mukhin , A. Loidl

We study structural, magnetic and magneto-thermal properties of GdRhIn compound. The room temperature X-ray diffraction measurements show hexagonal crystal structure. Temperature and field dependence of magnetization suggest two magnetic…

Materials Science · Physics 2024-09-04 Ravinder Kumar , Arrab Ali Maz , Satyendra Kumar Mishra , Sachin Gupta

We report here enhancement of ferromagnetism in pure ZnO upon thermal annealing with the ferromagnetic transition temperature Tc above room temperature. We observe a finite coercive field upto 300K and a finite thermoremanent magnetization…

Materials Science · Physics 2007-09-25 S. Banerjee , M. Mandal , N. Gayathri , M. Sardar

The correlation between static magnetoelectric coupling and magnetic structure was investigated in $TbMn_{0.98}Fe_{0.02}O_{3}$ with magnetic field up to 8 T and down to 2 K. Single-crystal neutron diffraction experiments reveal a…

We study the low-temperature heat transport, as well as the magnetization and the specific heat, of TmMnO_3 single crystals to probe the transitions of magnetic structure induced by magnetic field. It is found that the low-T thermal…

Strongly Correlated Electrons · Physics 2012-11-19 X. M. Wang , Z. Y. Zhao , C. Fan , X. G. Liu , Q. J. Li , F. B. Zhang , L. M. Chen , X. Zhao , X. F. Sun