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Publications (16)

cond-mat.mtrl-sci2005

Superconductivity and Cobalt Oxidation State in Metastable Na(x)CoO(2-delta)*yH2O (x ~ 1/3; y ~ 4x)

P. W. Barnes, M. Avdeev, J. D. Jorgensen +3

We report the synthesis and superconducting properties of a metastable form of the known superconductor NaxCoO2*yH2O (x ~ 1/3, y ~ 4x). Instead of using the conventional bromine-ac…

cond-mat.supr-con2004

The effect of {11}^B substitution on the superconductivity in MgCNi3

T. Klimczuk, M. Avdeev, J. D. Jorgensen +1

The crystal structure of boron doped superconducting MgC_{1-x}{11}^B_{x}Ni_{3}, studied by powder neutron diffraction, is reported. The solubility limit of boron is determined to b…

cond-mat.str-el2015

Magnetic structure and Dzyaloshinskii-Moriya interaction in the $S = 1/2$ helical-honeycomb antiferromagnet $I^\pm$ -Cu $_{2}$ V $_{2}$ O $_{7}$

G. Gitgeatpong, Y. Zhao, M. Avdeev +3

Magnetic properties of the $S = 1/2$ antiferromagnet $I^\pm$ -Cu $_{2}$ V $_{2}$ O $_{7}$ have been studied using magnetization, Quantum Monte Carlo (QMC) simulations, and neutron diffracti…

cond-mat.supr-con2002

Structure and Superconductivity in Zr-Stabilized, Nonstoichiometric Molybdenum Diboride

L. E. Muzzy, M. Avdeev, G. Lawes +5

The structure and physical properties of the Zr-stabilized, nonstoichiometric molybdenum diboride superconductor are reported. Good quality material of the diboride structure type…

cond-mat.supr-con2002

Robust paramagnetism in Bi2-xMxRu2O7 (M=Mn,Fe,Co,Ni,Cu) pyrochlore

M. K. Haas, R. J. Cava, M. Avdeev +1

We report physical property characterization of Bi2-xMxRu2O7 pyrochlores, including magnetic suseptibility, resistivity, and Seebeck coefficients. The solid solution exists up to x…

cond-mat.str-el2020

Magnetic properties and magnetic structure of the frustrated quasi-one-dimensional antiferromagnet SrCuTe $_{2}$ O $_{6}$

P. Saeaun, Y. Zhao, P. Piyawongwatthana +5

Magnetization measurements on single-crystal cubic SrCuTe $_{2}$ O $_{6}$ with an applied magnetic field of along three inequivalent high symmetry directions $[100]$ , $[110]$ , and $[111]$ …

cond-mat.str-el2017

Antiferromagnetism weakening with Y-substitution in the TbRhIn $_{5}$ intermetallic system

R. P. Amaral, R. Lora-Serrano, D. J. Garcia +8

We report measurements of the temperature dependence specific heat, magnetic susceptibility in single crystals of the series of intermetallic compounds Tb $_{1 - x}$ Y $_{x}$ RhIn $_{5}$ (nom…

cond-mat.supr-con2003

Crystal Chemistry of Carbon-Substituted MgB2

M. Avdeev, J. D. Jorgensen, R. A. Ribeiro +2

Neutron powder diffraction has been used to characterize a sample of C-substituted MgB2 synthesized from Mg and B4C (with isotopically enriched 11B). The sample is multiphase, with…

cond-mat.supr-con2003

Crystal Structure of the Sodium Cobaltate Deuterate Superconductor NaxCoO2o4xD2O (x=1/3)

J. D. Jorgensen, M. Avdeev, D. G. Hinks +2

Neutron and x-ray powder diffraction have been used to investigate the crystal structures of a sample of the newly-discovered superconducting sodium cobaltate deuterate compound wi…

cond-mat.str-el2014

FeCr $_{2}$ S $_{4}$ in magnetic fields: possible evidence for a multiferroic ground state

J. Bertinshaw, C. Ulrich, A. GÃ¼nther +11

We report on neutron diffraction, thermal expansion, magnetostriction, dielectric, and specific heat measurements on polycrystalline FeCr2S4 in external magnetic fields. The ferrim…

cond-mat.str-el2024

Magnetic structure of the noncentrosymmetric magnet Sr2MnSi2O7 through irreducible representation and magnetic space group analyses

Y. Nambu, M. Kawamata, X. Pang +6

Magnetic structures of the noncentrosymmetric magnet Sr $_{2}$ MnSi $_{2}$ O $_{7}$ were examined through neutron diffraction for powder and single-crystalline samples, as well as magnetometr…

cond-mat.supr-con2003

Retention of Two-Band Superconductivity in Highly Carbon-Doped MgB2

H. Schmidt, K. E. Gray, D. G. Hinks +4

Tunneling data on MgB_{1.8}C_{0.2} show a reduction in the energy gap of the pi-bands by a factor of two from undoped MgB2 that is consistent with the Tc reduction, but inconsisten…

cond-mat.str-el2023

Magnetic structure and Kondo lattice behavior in CeVGe $_{3}$ : an NMR and neutron scattering study

C. Chaffey, H. C. Wu, Hanshang Jin +9

We present nuclear magnetic resonance (NMR), neutron diffraction, magnetization, and transport measurements on a single crystal and powder of CeVGe $_{3}$ . This material exhibits heav…

cond-mat.str-el2019

Controlling the stoichiometry of the triangular lattice antiferromagnet Li $_{1 + x}$ Zn $_{2 - y}$ Mo $_{3}$ O $_{8}$

K. E. Sandvik, D. Okuyama, K. Nawa +2

The control of the stoichiometry of Li $_{1 + x}$ Zn $_{2 - y}$ Mo $_{3}$ O $_{8}$ was achieved by the solid-state-reaction. We found that the best sample that has the chemical composition Li$_{0…

cond-mat.supr-con2005

Thermal Expansion and Compressibility in Superconducting NaxCoO2o4xD2O (x?1/3): Evidence for Pressure-Induced Charge Redistribution

J. D. Jorgensen, M. Avdeev, D. G. Hinks +2

We have performed thermal expansion and compressibility measurements on the recently discovered superconducting material NaxCoO2*4xD2O (x=1/3) using neutron powder diffraction over…

cond-mat.mtrl-sci2017

Sodium layer chiral distribution and spin structure of Na $_{2}$ Ni $_{2}$ TeO $_{6}$ with a honeycomb network

Sunil K. Karna, Y. Zhao, R. Sankar +7

The nature of Na ion distribution, diffusion path, and the spin structure of $P 2$ -type Na $_{2}$ Ni $_{2}$ TeO $_{6}$ with a Ni honeycomb network has been explored. The nuclear density distri…

Publications (16)

Superconductivity and Cobalt Oxidation State in Metastable Na(x)CoO(2-delta)*yH2O (x ~ 1/3; y ~ 4x)

The effect of {11}^B substitution on the superconductivity in MgCNi3

Magnetic structure and Dzyaloshinskii-Moriya interaction in the S=1/2 helical-honeycomb antiferromagnet I^±-Cu2​V2​O7​

Structure and Superconductivity in Zr-Stabilized, Nonstoichiometric Molybdenum Diboride

Robust paramagnetism in Bi2-xMxRu2O7 (M=Mn,Fe,Co,Ni,Cu) pyrochlore

Magnetic properties and magnetic structure of the frustrated quasi-one-dimensional antiferromagnet SrCuTe2​O6​

Antiferromagnetism weakening with Y-substitution in the TbRhIn5​ intermetallic system

Crystal Chemistry of Carbon-Substituted MgB2

Crystal Structure of the Sodium Cobaltate Deuterate Superconductor NaxCoO2o4xD2O (x=1/3)

FeCr2​S4​ in magnetic fields: possible evidence for a multiferroic ground state

Magnetic structure of the noncentrosymmetric magnet Sr2MnSi2O7 through irreducible representation and magnetic space group analyses

Retention of Two-Band Superconductivity in Highly Carbon-Doped MgB2

Magnetic structure and Kondo lattice behavior in CeVGe3​: an NMR and neutron scattering study

Controlling the stoichiometry of the triangular lattice antiferromagnet Li1+x​Zn2−y​Mo3​O8​

Thermal Expansion and Compressibility in Superconducting NaxCoO2o4xD2O (x?1/3): Evidence for Pressure-Induced Charge Redistribution

Sodium layer chiral distribution and spin structure of Na2​Ni2​TeO6​ with a honeycomb network

Magnetic structure and Dzyaloshinskii-Moriya interaction in the $S = 1/2$ helical-honeycomb antiferromagnet $I^\pm$ -Cu $_{2}$ V $_{2}$ O $_{7}$

Magnetic properties and magnetic structure of the frustrated quasi-one-dimensional antiferromagnet SrCuTe $_{2}$ O $_{6}$

Antiferromagnetism weakening with Y-substitution in the TbRhIn $_{5}$ intermetallic system

FeCr $_{2}$ S $_{4}$ in magnetic fields: possible evidence for a multiferroic ground state

Magnetic structure and Kondo lattice behavior in CeVGe $_{3}$ : an NMR and neutron scattering study

Controlling the stoichiometry of the triangular lattice antiferromagnet Li $_{1 + x}$ Zn $_{2 - y}$ Mo $_{3}$ O $_{8}$

Sodium layer chiral distribution and spin structure of Na $_{2}$ Ni $_{2}$ TeO $_{6}$ with a honeycomb network