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Related papers: Magnetic Properties of Epitaxially-grown $SrRuO_3$…

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We report on magnetic and electrical transport properties of Sb2-xCrxTe3 single crystals with 0 <= x <= 0.095 over temperatures from 2 K to 300 K. A ferromagnetic state develops in these crystals at low temperatures with Curie temperatures…

Materials Science · Physics 2009-11-10 J. S. Dyck , C. Drasar , P. Lostak , C. Uher

We report direct imaging of boundary magnetization associated with antiferromagnetic domains in magnetoelectric epitaxial Cr2O3 thin films using diamond nitrogen vacancy microscopy. We found a correlation between magnetic domain size and…

We report the structural and physical properties of epitaxial Bi2FeCrO6 thin films on epitaxial SrRuO3 grown on (100)-oriented SrTiO3 substrates by pulsed laser ablation. The 300 nm thick films exhibit both ferroelectricity and magnetism at…

We have discovered that samples of a new material produced by special processing of crystals of Sr2RuO4 (which is known to be a triplet superconductor with Tc values ~1.0-1.5K) exhibit signatures of superconductivity (zero DC resistance and…

The results of ac and dc magnetic susceptibility isothermal magnetization and heat-capacity measurements as a function of temperature (T) are reported for Sr3NiRhO6 and Sr3NiPtO6 containing magnetic chains arranged in a triangular fashion…

Strongly Correlated Electrons · Physics 2009-11-13 Niharika Mohapatra , Kartik K Iyer , Sudhindra Rayaprol , E. V. Sampathkumaran

To develop silicon-based spintronic devices, we have explored high-quality ferromagnetic Fe$_{3}$Si/silicon (Si) structures. Using low-temperature molecular beam epitaxy at 130 $^circ$C, we realize epitaxial growth of ferromagnetic…

Materials Science · Physics 2009-11-13 K. Hamaya , K. Ueda , Y. Kishi , Y. Ando , T. Sadoh , M. Miyao

We present electric and magnetic properties of 0.8Pb(Fe1/2Nb1/2)O3-0.2Pb(Mg1/2W1/2)O3 films epitaxially grown on (001) SrTiO3 substrates using pulsed laser deposition. A narrow deposition window around 710 oC and 0.2 mbar has been…

In transition metal oxides, quantum confinement arising from a large surface to volume ratio often gives rise to novel physico-chemical properties at nanoscale. Their size dependent properties have potential applications in diverse areas,…

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

Nd_0.67Sr_0.33MnO_3 nanoparticles with the grain size of about 30 nm are prepared by sol-gel method.These nanopowders are annealed at four different temperatures viz. 800 oC, 900 oC, 1000 oC and 1100 oC to study the effect of particle size…

Strongly Correlated Electrons · Physics 2007-05-23 S. S. Rao , Subhasis Sarangi , G. Venkataiah , Venu Gopala Reddy , S. V. Bhat

IV-VI diluted magnetic semiconductor Ge1-xCrxTe layers up to x=0.1 were grown on SrF2 substrates by molecular beam epitaxy. In site reflection high-energy electron diffraction shows a streaky pattern with sixfold symmetry in the plane for…

Materials Science · Physics 2016-03-01 Y. Fukuma , H. Asada , S. Senba , T. Koyanagi

We present experimental evidence for small-moment magnetism below the ferromagnetic transition temperature (T_c3 = 183 K) in the quasi-one-dimensional metal BaIrO_3. Further, we identify rearrangement of the local magnetic moment…

Strongly Correlated Electrons · Physics 2009-11-11 M. L. Brooks , S. J. Blundell , T. Lancaster , W. Hayes , F. L. Pratt , P. P. C. Frampton , P. D. Battle

We show that by capping Co nanoparticles with small amounts of Pt strong changes of the magnetic properties can be induced. The Co nanoparticles have a mean diameter of 2.7 nm. From magnetometry measurements we find that for zero and for…

Mesoscale and Nanoscale Physics · Physics 2015-05-27 A. Ebbing , O. Hellwig , L. Agudo , G. Eggeler , O. Petracic

Two-dimensional (2D) materials with intrinsic ferromagnetism provide unique opportunity to engineer new functionalities in nano-spintronics. One such material is CrI$_3$, showing long-range magnetic order in monolayer with the Curie…

Strongly Correlated Electrons · Physics 2019-09-20 Yu Liu , Lijun Wu , Xiao Tong , Jun Li , Jing Tao , Yimei Zhu , C. Petrovic

Resistivity, thermoelectric power, heat capacity and magnetization for samples of RuSr_2(Gd_{1.5}Ce_{0.5})Cu_{2}O_{10-\delta} were investigated in the temperature range 1.8-300 K with a magnetic field up to 8 T. The resistive transitions to…

Structural, electrical and magnetic measurements of 115 single crystals of PrIn$_5$ are reported. It has a tetragonal structure and has slightly lower cell volume than its isomorphic counter part CeCoIn_5. The resistivity saturates for…

Strongly Correlated Electrons · Physics 2009-05-29 Abebe Kebede , Terrel Dial

The magnetoresistance as a function of temperature and field for atomically flat interfaces between 8 unit cells of LaAlO3 and SrTiO3 is reported. Anomalous anisotropic behavior of the magnetoresistance is observed below 30 K for…

Strongly Correlated Electrons · Physics 2011-01-11 M. Sachs , D. Rakhmilevitch , M. Ben Shalom , S. Shefler , A. Palevski , Y. Dagan

We have synthesized single crystals of Na_2IrO_3 and studied their structure, transport, magnetic, and thermal properties using powder x-ray diffraction (PXRD), electrical resistivity, isothermal magnetization M versus magnetic field H,…

Strongly Correlated Electrons · Physics 2010-06-03 Yogesh Singh , P. Gegenwart

The dependence of the Curie temperature Tc on nearly hydrostatic pressure has been determined to 17.2 GPa for the weak itinerant ferromagnetic SrRuO3 in both polycrystalline and single-crystalline form. Tc is found to decrease under…

Strongly Correlated Electrons · Physics 2009-11-11 J. J. Hamlin , S. Deemyad , J. S. Schilling , M. K. Jacobsen , R. S. Kumar , A. L. Cornelius , G. Cao , J. J. Neumeier

The magnetic susceptibility of self-organized two-dimensional Co nanodots on Au(111) has been measured as a function of their size in the 2-7~nm diameter range. We show that the activation energy for the thermal reversal displays a power…

Mesoscale and Nanoscale Physics · Physics 2024-02-08 S. Rohart , P. Campiglio , V. Repain , Y. Nahas , C. Chacon , Y. Girard , J. Lagoute , A. Thiaville , S. Rousset