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We investigate the magnetic structure of Mn3-xFexSn2 using neutron powder diffraction experiments and electronic structure calculations. These alloys crystallize in the orthorhombic Ni3Sn2 type of structure (Pnma) and comprise two…

Materials Science · Physics 2013-09-03 Q. Recour , V. Ban , Z. Gercsi , T. Mazet , M. Francois , B. Malaman

We report here the magneto-transport properties of the newly synthesized Heusler compound Cr2NiGa which crystallizes in a disordered cubic B2 structure belonging to Pm-3m space group. The sample is found to be paramagnetic down to 2 K with…

Strongly Correlated Electrons · Physics 2017-01-04 S. Pramanick , P. Dutta , S. Chatterjee , S. Giri , S. Majumdar

CrCl3 is a layered insulator that undergoes a crystallographic phase transition below room temperature and orders antiferromagnetically at low temperature. Weak van der Waals bonding between the layers and ferromagnetic in-plane magnetic…

Results of structural neutron diffraction study, magnetization and ESR measure-ments are presented for insulating Nd0.75Ba0.25MnO3, Tc = 129 K. The crystal structure is refined in the range 4.2-300 K. The compound is found to exhibit the…

Strongly Correlated Electrons · Physics 2009-11-11 V. A. Ryzhov , A. V. Lazuta , O. P. Smirnov , I. A. Kiselev , Yu. P. Chernenkov , S. A. Borisov , I. O. Troaynchuk , D. D. Khalyavin

We performed susceptibility, magnetization, specific heat, and single crystal neutron diffraction measurements on single crystalline BaMn$_2$Si$_2$O$_7$. Based on the results, we revisited its spin structure with a more accurate solution…

Strongly Correlated Electrons · Physics 2019-07-31 G. H. Wang , C. Y. Xu , H. B. Cao , T. Hong , Q. Huang , Q. Y. Ren , J. Q. Xu , H. D. Zhou , W. D. Luo , D. Qian , J. Ma

CoSe$_2$O$_5$ has a crystal structure consisting of zig-zag chains of edge shared CoO$_6$ octahedra running along the c axis, with the chains separated by Se$_2$O$_5^{2-}$ units. Magnetic susceptibility measurements indicate a transition at…

Materials Science · Physics 2012-02-02 Brent C. Melot , Brian Paden , Ram Seshadri , Ambesh Dixit , Gavin Lawes , Emmanuelle Suard

Identifying and characterizing systems with coupled and competing interactions is central to the development of physical models that can accurately describe and predict emergent behavior in condensed matter systems. This work demonstrates…

Strongly Correlated Electrons · Physics 2016-10-19 Andrew F. May , Stuart Calder , David S. Parker , Brian C. Sales , Michael A. McGuire

The Ce(1-x)LaxCrGe3 (x = 0, 0.19, 0.43, 0.58 and 1) intermetallic compound system has been investigated by magnetization measurements and neutron scattering techniques to determine the effect of La-doping on the magnetic ordering and…

Neutron diffraction experiments of TmFeO$_3$ single crystals were performed in the external magnetic fields. The field along $c$-axis increases temperature of spin-reorientation transition $T_{SR}$ from phase ${\Gamma}4$ to ${\Gamma}2$.…

We have synthesized single crystals of Na$_3$Co$_2$SbO$_6$ and characterized the structure and magnetic order by measuring anisotropic magnetic properties, heat capacity, x-ray and neutron single crystal diffraction. Magnetic properties and…

Strongly Correlated Electrons · Physics 2019-07-17 J. -Q. Yan , S. Okamoto , Y. Wu , Q. Zheng , H. D. Zhou , H. B. Cao , M. A. McGuire

We measure the transport properties of mechanically strained single crystals of BaFe$_{2}$(As$_{1-x}$P$_{x}$)$_{2}$ over a wide range of $x$. The N\'eel transition is extremely sensitive to stress and this sensitivity increases as optimal…

Superconductivity · Physics 2015-06-05 H-. H. Kuo , James G. Analytis , J. -H. Chu , R. M. Fernandes , J. Schmalian , I. R. Fisher

We report the magnetization, specific heat and transport measurements of high quality Na$_{0.85}$CoO$_2$ single crystals in applied magnetic fields up to 14T. In high temperatures, the system is in a paramagnetic phase. It undergoes a…

Superconductivity · Physics 2009-11-10 J. L. Luo , N. L. Wang , G. T. Liu , D. Wu , X. N. Jing , F. Hu , T. Xiang

The magnetic order of the localized Eu$^{2+}$ spins in optimally-doped Eu(Fe$_{1-x}$Ir$_{x}$)$_{2}$As$_{2}$ ($\mathit{x}$ = 0.12) with superconducting transition temperature $\mathit{T_{SC}}$ = 22 K was investigated by single-crystal…

Superconductivity · Physics 2015-02-20 W. T. Jin , Wei Li , Y. Su , S. Nandi , Y. Xiao , W. H. Jiao , M. Meven , A. P. Sazonov , E. Feng , Yan Chen , C. S. Ting , G. H. Cao , Th. Brückel

We have performed field-swept 59Co NMR measurements on the 'exotic' spin-chain material, Ca3Co2O6, crystallizing in K4CdCl6-type rhombohedral structure, believed to exhibit two magnetic transition temperatures (around 24 and 12 K). This is…

Strongly Correlated Electrons · Physics 2009-11-10 E. V. Sampathkumaran , N. Fujiwara , S. Rayaprol , P. K. Madhu , Y. Uwatoko

The magnetostructural coupling between the structural and the magnetic transition plays a crucial role in magnetoresponsive effects in a martensitic-transition system. A combination of various magnetoresponsive effects based on this…

We present neutron diffraction, muon spin rotation and pulsed-field magnetometry measurements on the Heisenberg quantum chiral chain [Cu(pym)(H2O)4]SiF6.H2O, which displays a four-fold-periodic rotation of the local environment around the…

Strong electron correlations underlie a plethora of electronic and magnetic components and devices and are often used to identify and probe novel ground states in quantum materials. Herein we report a magnetic phase crossover in EuMn2P2, an…

Millimeter sized ThCr$_2$Si$_2$-type CeNi$_2$As$_2$ single crystal was synthesized by NaAs flux method and its physical properties were investigated by magnetization, transport and specific heat measurements. In contrast to the previously…

Strongly Correlated Electrons · Physics 2013-01-01 Yongkang Luo , Jinke Bao , Chenyi Shen , Jieke Han , Xiaojun Yang , Chen Lv , Yuke Li , Wenhe Jiao , Bingqi Si , Chunmu Feng , Jianhui Dai , Guanghan Cao , Zhu-an Xu

MnSiN$_2$ is a transition metal nitride with Mn and Si ions displaying an ordered distribution on the cation sites of a distorted wurtzite-derived structure. The Mn$^{2+}$ ions reside on a 3D diamond-like covalent network with strong…

Neutron diffraction and 7Li-NMR have been applied to determine the multiferroic system LiCu2O2, which has four chains (ribbon chains) of edge-sharing CuO4 square planes in a unit cell. We have confirmed that there are successive magnetic…

Materials Science · Physics 2015-05-13 Yoshiaki Kobayashi , Kenji Sato , Yukio Yasui , Taketo Moyoshi , Masatoshi Sato , Kazuhisa Kakurai