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We studied magnetic states and phase transitions in the van der Waals antiferromagnet VBr3 by specific heat and magnetization measurements of single crystals in high magnetic fields and by ab initio density functional theory calculations…

We report the doping dependence of the order of the ferromagnetic metal to paramagnetic insulator phase transition in La1-xCaxMnO3. At x = 0.33, magnetization and specific heat data show a first order transition, with an entropy change (2.3…

Strongly Correlated Electrons · Physics 2009-11-07 D. Kim , B. Revaz , B. L. Zink , F. Hellman , J. J. Rhyne , J. F. Mitchell

Magnetic and heat capacity measurements have been carried out on the polycrystalline sample of DyNi which crystallizes in the orthorhombic FeB structure (space group Pnma). This compound is ferromagnetic with a Curie temperature of 59 K.…

Strongly Correlated Electrons · Physics 2009-11-11 S. K. Tripathy , K. G. Suresh , R. Nirmala , A. K. Nigam , S. K. Malik

Magnetic properties of a polycrystalline alloy Ni$_{2.19}$Mn$_{0.81}$Ga, which undergoes a first-order magnetostructural phase transition from cubic paramagnetic to tetragonal ferromagnetic phase, are studied. Hysteretic behavior of…

The superconducting current has been observed in mesa-heterostructures Nb/Au/Sr2IrO4/YBa2Cu3Ox with Sr2IrO4 interlayer thickness d=5 and 7 nm and in-plane sizes L=10-50 mcm. A strontium iridate, Sr2IrO4, is known as a canted…

We report the structural and magnetic ground state properties of the monoclinic compound barium iridium oxide Ba$_4$Ir$_3$O$_{10}$ using a combination of resonant x-ray scattering, magnetometry, and thermodynamic techniques. Magnetic…

We present resistivity, specific heat and magnetization measurements in high quality single crystals of HoBi, with a residual resistivity ratio of 126. We find, from the temperature and field dependence of the magnetization, an…

Materials Science · Physics 2013-09-05 A. Fente , H. Suderow , S. Vieira , N. M. Nemes , M. García-Hernández , S. L. Bud'ko , P. C. Canfield

We demonstrate that we can determine the antiferromagnetic anisotropies and the bulk Dzyaloshinskii-Moriya fields of the insulating iron oxide hematite, {\alpha}-Fe2O3, using a surface sensitive spin-Hall magnetoresistance (SMR) technique.…

Transmittance of the colossal magnetoresistive compound Nd_0.5Sr_0.5MnO_3 showing metal-insulator phase transition has been studied by means of the submm- and mm-wavelength band spectroscopy. An unusually high transparency of the material…

Condensed Matter · Physics 2016-08-31 S. Zvyagin , A. Angerhofer , K. V. Kamenev , L. -C. Brunel , G. Balakrishnan , D. McK. Paul

The quark-hadron transition that happens in ultra-relativistic heavy-ion collisions is expected to be influenced by the effects of rotation and magnetic field, both present due to the geometry of a generic non-head-on impact. We augment the…

High Energy Physics - Phenomenology · Physics 2023-10-12 Gaurav Mukherjee , D. Dutta , D. K. Mishra

We investigate the effect of Ni doping on the Fe-site in single crystals of the magnetic superconductor RbEuFe$_4$As$_4$ for doping concentrations of up to 4%. A clear suppression in the superconducting transition temperature is observed in…

Superconductivity · Physics 2020-02-19 K. Willa , M. P. Smylie , Y. Simsek , J. -K. Bao , D. Y. Chung , M. G. Kanatzidis , W. -K. Kwok , U. Welp

Measurements of magnetic susceptibility, heat capacity and thermal expansion are reported for single crystalline CuSb$_{2}$O$_{6}$ in the temperature range $5<T<350$ K. The magnetic susceptibility exhibits a broad peak centered near 60 K…

Strongly Correlated Electrons · Physics 2015-06-16 A. Rebello , M. G. Smith , J. J. Neumeier , B. D. White , Yi-Kuo Yu

The effect of magnetic field on the static and dynamic spin correlations in the non-centrosymmetric heavy-fermion superconductor CePt$_3$Si was investigated by neutron scattering. The application of a magnetic field B increases the…

Strongly Correlated Electrons · Physics 2016-08-11 K. Kaneko , O. Stockert , B. Fåk , S. Raymond , M. Skoulatos , T. Takeuchi , Y. Ōnuki

La0.4Pr0.3Ca0.1Sr0.2MnO3 has been investigated as a potential candidate for room temperature magnetic refrigeration. Results from X-ray powder diffraction reveal an orthorhombic structure with Pnma space group. The electronic and chemical…

Materials Science · Physics 2020-11-13 Sagar Ghorai , Ridha Skini , Daniel Hedlund , Petter Strom , Peter Svedlindh

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

We explore the magnetically-ordered ground state of the isovalently-substituted Mott-insulator Y$_{1-x}$La$_{x}$TiO$_{3}$ for $x$ $\leq$ 0.3 via single crystal growth, magnetometry, neutron diffraction, x-ray magnetic circular dichroism…

Several heavy fermion materials, including UPt$_3$, exhibit a rapid but gradual rise in the magnetization at a critical field, without an apparent phase transition at any temperature $T>0$, with the possibility of a first order transition…

Strongly Correlated Electrons · Physics 2024-12-04 Trevor D. Ford , K. Matsumoto , B. S. Shivaram

We report the determination of the magnetic phase diagram of the heavy fermion metal YbRh\textsubscript{2}Si\textsubscript{2} in magnetic fields up to 70\,mT applied perpendicular to the crystallographic c-axis. By a combination of heat…

Strongly Correlated Electrons · Physics 2025-05-14 Jan Knapp , Lev V. Levitin , Jan Nyeki , Brian Cowan , John Saunders , Manuel Brando , Christoph Geibel , Cornelius Krellner , Kristin Kliemt

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

We present a detailed investigation of the physical properties of Ce$_2 $Sb and Ce$_2 $Bi single crystals, which undergo antiferromagnetic transitions at around 8.2 and 10 K respectively. When magnetic fields are applied parallel to the $c$…

Strongly Correlated Electrons · Physics 2019-02-21 F. Wu , C. Y. Guo , Y. Chen , H. Su , A. Wang , M. Smidman , H. Q. Yuan