Search Results - "Garlea, V. O"
-
1
Van Hove singularity in the magnon spectrum of the antiferromagnetic quantum honeycomb lattice
Published in Nature communications (08-01-2021)“…In quantum magnets, magnetic moments fluctuate heavily and are strongly entangled with each other, a fundamental distinction from classical magnetism. Here,…”
Get full text
Journal Article -
2
Intrinsic anharmonic localization in thermoelectric PbSe
Published in Nature communications (26-04-2019)“…Lead chalcogenides have exceptional thermoelectric properties and intriguing anharmonic lattice dynamics underlying their low thermal conductivities. An ideal…”
Get full text
Journal Article -
3
Coexistence and Interaction of Spinons and Magnons in an Antiferromagnet with Alternating Antiferromagnetic and Ferromagnetic Quantum Spin Chains
Published in Physical review letters (17-07-2020)“…In conventional quasi-one-dimensional antiferromagnets with quantum spins, magnetic excitations are carried by either magnons or spinons in different energy…”
Get full text
Journal Article -
4
Structure and Magnetic Properties of Cu3Ni2SbO6 and Cu3Co2SbO6 Delafossites with Honeycomb Lattices
Published in Inorganic chemistry (20-05-2013)“…The crystal structures of two Delafossites, Cu3Ni2SbO6 and Cu3Co2SbO6, are determined by high-resolution synchrotron powder X-ray diffraction. The Ni and Co…”
Get full text
Journal Article -
5
Guidelines for communicating commensurate magnetic structures. A report of the International Union of Crystallography Commission on Magnetic Structures
Published in Acta crystallographica Section B, Structural science, crystal engineering and materials (01-08-2024)“…A report from the International Union of Crystallography Commission on Magnetic Structures outlining the recommendations for communicating commensurate…”
Get full text
Journal Article -
6
Excitations in a four-leg antiferromagnetic Heisenberg spin tube
Published in Physical review letters (25-01-2008)“…Inelastic neutron scattering is used to investigate magnetic excitations in the quasi-one-dimensional quantum spin-liquid system Cu(2)Cl(4).D(8)C(4)SO(2)…”
Get full text
Journal Article -
7
Excitations from a Bose-Einstein condensate of magnons in coupled spin ladders
Published in Physical review letters (20-04-2007)“…The weakly coupled quasi-one-dimensional spin ladder compound (CH3)2CHNH3CuCl3 is studied by neutron scattering in magnetic fields exceeding the critical field…”
Get full text
Journal Article -
8
Combined X-ray and neutron diffraction Rietveld refinement in iron-substituted nano-hydroxyapatite
Published in Journal of materials science (01-05-2013)“…Simultaneous Rietveld refinements of X-ray and neutron powder diffraction patterns were applied to study the effect of Fe substitution on the crystal structure…”
Get full text
Journal Article -
9
Magnetically driven metal-insulator transition in NaOsO3
Published in Physical review letters (22-06-2012)“…The metal-insulator transition (MIT) is one of the most dramatic manifestations of electron correlations in materials. Various mechanisms producing MITs have…”
Get full text
Journal Article -
10
Magnetic and orbital ordering in the spinel MnV2O4
Published in Physical review letters (15-02-2008)“…Neutron inelastic scattering and diffraction techniques have been used to study the MnV2O4 spinel system. Our measurements show the existence of two…”
Get full text
Journal Article -
11
The high-resolution powder diffractometer at the high flux isotope reactor
Published in Applied physics. A, Materials science & processing (01-06-2010)“…Neutron powder diffraction is increasingly recognized as one of the most powerful techniques for studying the structural and magnetic properties of advanced…”
Get full text
Journal Article -
12
Neutron diffraction studies of the magnetoelastic compounds Tb5SixGe4-x (x=2.2 and 2.5)
Published in Physical review. B, Condensed matter and materials physics (01-09-2005)Get full text
Journal Article -
13
Characterization of a grain size refinement process in cast uranium
Published in Materials science & engineering. A, Structural materials : properties, microstructure and processing (01-01-2013)“…The refinement of coarse grains in cast uranium can lead to wrought-like properties. In this study, a β-quenched process is coupled with a shock-loading…”
Get full text
Journal Article -
14
Spin reorientation and magnetoelastic coupling in Tb6Fe1−xCoxBi2 (x=0, 0.125, 0.25, and 0.375) alloy system
Published in Journal of alloys and compounds (05-12-2014)“…•Atomic and magnetic structures were determined using neutron diffraction.•Parent compound develops a mixed phase of P−62m and P1m1 below 60K.•Doped compounds…”
Get full text
Journal Article -
15
Extended universal finite-T renormalization of excitations in a class of one-dimensional quantum magnets
Published in Physical review letters (18-04-2008)“…Temperature dependencies of gap energies and magnon lifetimes are measured in the quasi-one-dimensional S=1/2 gapped quantum magnets (CH3)(2)CHNH(3)CuCL(3)…”
Get full text
Journal Article -
16
Probing spin frustration in high-symmetry magnetic nanomolecules by inelastic neutron scattering
Published in Physical review. B, Condensed matter and materials physics (01-01-2006)“…Low temperature inelastic neutron scattering studies have been performed to characterize the low energy magnetic excitation spectrum of the magnetic…”
Get full text
Journal Article -
17
Compositional variation of the phonon dispersion curves of bcc Fe-Ga alloys
Published in Physical review. B, Condensed matter and materials physics (01-11-2005)“…Inelastic neutron scattering techniques have been used to measure the phonon dispersion curves of bcc Fe1?xGax x=10.8, 13.3, 16.0, 22.5 alloys as a function of…”
Get full text
Journal Article -
18
Spin correlations in the frustrated ferro-antiferromagnet SrZnVO(PO4)2 near saturation
Published 27-04-2022“…Single crystal elastic and inelastic neutron scattering experiments are performed on the frustrated ferro-antiferromagnet SrZnVO(PO4)2 in high magnetic fields…”
Get full text
Journal Article -
19
Lattice dynamics of Ni–Mn–Al Heusler alloys
Published in Materials science & engineering. A, Structural materials : properties, microstructure and processing (25-05-2008)“…We have studied the lattice dynamics of a Ni 54Mn 23Al 23 (at.%) Heusler single-crystalline alloy by means of neutron scattering and ultrasonic techniques…”
Get full text
Journal Article -
20
Lattice dynamics and phonon softening in Ni − Mn − Al Heusler alloys
Published in Physical review. B, Condensed matter and materials physics (01-02-2006)Get full text
Journal Article