Search Results - "Garlea, V. O."

Van Hove singularity in the magnon spectrum of the antiferromagnetic quantum honeycomb lattice by Sala, G., Stone, M. B., Rai, Binod K., May, A. F., Laurell, Pontus, Garlea, V. O., Butch, N. P., Lumsden, M. D., Ehlers, G., Pokharel, G., Podlesnyak, A., Mandrus, D., Parker, D. S., Okamoto, S., Halász, Gábor B., Christianson, A. D.

“…In quantum magnets, magnetic moments fluctuate heavily and are strongly entangled with each other, a fundamental distinction from classical magnetism. Here,…”
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Intrinsic anharmonic localization in thermoelectric PbSe by Manley, M. E., Hellman, O., Shulumba, N., May, A. F., Stonaha, P. J., Lynn, J. W., Garlea, V. O., Alatas, A., Hermann, R. P., Budai, J. D., Wang, H., Sales, B. C., Minnich, A. J.

“…Lead chalcogenides have exceptional thermoelectric properties and intriguing anharmonic lattice dynamics underlying their low thermal conductivities. An ideal…”
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Coexistence and Interaction of Spinons and Magnons in an Antiferromagnet with Alternating Antiferromagnetic and Ferromagnetic Quantum Spin Chains by Zhang, H., Zhao, Z., Gautreau, D., Raczkowski, M., Saha, A., Garlea, V. O., Cao, H., Hong, T., Jeschke, H. O., Mahanti, Subhendra D., Birol, T., Assaad, F. F., Ke, X.

“…In conventional quasi-one-dimensional antiferromagnets with quantum spins, magnetic excitations are carried by either magnons or spinons in different energy…”
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Structure and Magnetic Properties of Cu3Ni2SbO6 and Cu3Co2SbO6 Delafossites with Honeycomb Lattices by Roudebush, J. H, Andersen, N. H, Ramlau, R, Garlea, V. O, Toft-Petersen, R, Norby, P, Schneider, R, Hay, J. N, Cava, R. J

“…The crystal structures of two Delafossites, Cu3Ni2SbO6 and Cu3Co2SbO6, are determined by high-resolution synchrotron powder X-ray diffraction. The Ni and Co…”
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Guidelines for communicating commensurate magnetic structures. A report of the International Union of Crystallography Commission on Magnetic Structures by Perez-Mato, J. M., Campbell, B. J., Garlea, V. O., Damay, F., Aurelio, G., Avdeev, M., Fernández-Díaz, M. T., Henriques, M. S., Khalyavin, D., Lee, S., Pomjakushin, V., Terada, N., Zaharko, O., Campo, J., Fabelo, O., Litvin, D. B., Petricek, V., Rayaprol, S., Rodriguez-Carvajal, J., Von Dreele, R.

“…A report from the International Union of Crystallography Commission on Magnetic Structures outlining the recommendations for communicating commensurate…”
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Excitations in a four-leg antiferromagnetic Heisenberg spin tube by Garlea, V O, Zheludev, A, Regnault, L-P, Chung, J-H, Qiu, Y, Boehm, M, Habicht, K, Meissner, M

“…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)…”
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Excitations from a Bose-Einstein condensate of magnons in coupled spin ladders by Garlea, V O, Zheludev, A, Masuda, T, Manaka, H, Regnault, L-P, Ressouche, E, Grenier, B, Chung, J-H, Qiu, Y, Habicht, K, Kiefer, K, Boehm, M

“…The weakly coupled quasi-one-dimensional spin ladder compound (CH3)2CHNH3CuCl3 is studied by neutron scattering in magnetic fields exceeding the critical field…”
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Combined X-ray and neutron diffraction Rietveld refinement in iron-substituted nano-hydroxyapatite by Kyriacou, A., Leventouri, Th, Chakoumakos, B. C., Garlea, V. O., dela Cruz, C. B., Rondinone, A. J., Sorge, K. D.

“…Simultaneous Rietveld refinements of X-ray and neutron powder diffraction patterns were applied to study the effect of Fe substitution on the crystal structure…”
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Magnetically driven metal-insulator transition in NaOsO3 by Calder, S, Garlea, V O, McMorrow, D F, Lumsden, M D, Stone, M B, Lang, J C, Kim, J-W, Schlueter, J A, Shi, Y G, Yamaura, K, Sun, Y S, Tsujimoto, Y, Christianson, A D

“…The metal-insulator transition (MIT) is one of the most dramatic manifestations of electron correlations in materials. Various mechanisms producing MITs have…”
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Magnetic and orbital ordering in the spinel MnV2O4 by Garlea, V O, Jin, R, Mandrus, D, Roessli, B, Huang, Q, Miller, M, Schultz, A J, Nagler, S E

“…Neutron inelastic scattering and diffraction techniques have been used to study the MnV2O4 spinel system. Our measurements show the existence of two…”
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The high-resolution powder diffractometer at the high flux isotope reactor by Garlea, V. O., Chakoumakos, B. C., Moore, S. A., Taylor, G. B., Chae, T., Maples, R. G., Riedel, R. A., Lynn, G. W., Selby, D. L.

“…Neutron powder diffraction is increasingly recognized as one of the most powerful techniques for studying the structural and magnetic properties of advanced…”
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Neutron diffraction studies of the magnetoelastic compounds Tb5SixGe4-x (x=2.2 and 2.5) by GARLEA, V. O, ZARESTKY, J. L, JONES, C. Y, LIN, L.-L, SCHLAGEL, D. L, LOGRASSO, T. A, TSOKOL, A. O, PECHARSKY, V. K, GSCHNEIDNER, K. A, STASSIS, C

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Characterization of a grain size refinement process in cast uranium by Garlea, E., Bridges, R.L., Garlea, V.O., Carpenter, D.A., Hemphill, M.A., Morrell, J.S.

“…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…”
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Spin reorientation and magnetoelastic coupling in Tb6Fe1−xCoxBi2 (x=0, 0.125, 0.25, and 0.375) alloy system by Koehler, M.R., Garlea, V.O., McGuire, M.A., Jia, L., Keppens, V.

“…•Atomic and magnetic structures were determined using neutron diffraction.•Parent compound develops a mixed phase of P−62m and P1m1 below 60K.•Doped compounds…”
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Extended universal finite-T renormalization of excitations in a class of one-dimensional quantum magnets by Zheludev, A, Garlea, V O, Regnault, L-P, Manaka, H, Tsvelik, A, Chung, J-H

“…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)…”
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Probing spin frustration in high-symmetry magnetic nanomolecules by inelastic neutron scattering by Garlea, V. O., Nagler, S. E., Zarestky, J. L., Stassis, C., Vaknin, D., Kögerler, P., McMorrow, D. F., Niedermayer, C., Tennant, D. A., Lake, B., Qiu, Y., Exler, M., Schnack, J., Luban, M.

“…Low temperature inelastic neutron scattering studies have been performed to characterize the low energy magnetic excitation spectrum of the magnetic…”
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Compositional variation of the phonon dispersion curves of bcc Fe-Ga alloys by ZARESTKY, J. L, GARLEA, V. O, LOGRASSO, T. A, SCHLAGEL, D. L, STASSIS, C

“…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…”
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Spin correlations in the frustrated ferro-antiferromagnet SrZnVO(PO4)2 near saturation by Landolt, F, Povarov, K, Yan, Z, Gvasaliya, S, Ressouche, E, Raymond, S, Garlea, V. O, Zheludev, A

“…Single crystal elastic and inelastic neutron scattering experiments are performed on the frustrated ferro-antiferromagnet SrZnVO(PO4)2 in high magnetic fields…”
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Lattice dynamics of Ni–Mn–Al Heusler alloys by Moya, X., Mañosa, Ll, Planes, A., Krenke, T., Acet, M., Wassermann, E.F., Morin, M., Garlea, V.O., Lograsso, T.A., Zarestky, J.L.

“…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…”
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Lattice dynamics and phonon softening in Ni − Mn − Al Heusler alloys by Moya, Xavier, Mañosa, Lluís, Planes, Antoni, Krenke, Thorsten, Acet, Mehmet, Garlea, V. O., Lograsso, T. A., Schlagel, D. L., Zarestky, J. L.

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