Search Results - "AMMERAHL, U"

Thermal conductivity of the hole-doped spin ladder system Sr14-xCaxCu24O41 by Sologubenko, AV, Gianno, K, Ott, HR, Ammerahl, U, Revcolevschi, A

“…The thermal conductivity of the spin-1/2 ladder system Sr14-xCaxCu24O41 ( x = 0, 2, and 12) has been measured both along ( kappa(c)) and perpendicular to (…”
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Structural transitions in a doped lanthanum cuprate by Baek, S.-H., Hammel, P. C., Hücker, M., Büchner, B., Ammerahl, U., Revcolevschi, A., Suh, B. J.

“…super(139) La NMR and relaxation measurements have been performed on La sub(1.8-x) Eu sub(0.2) Sr sub(x) CuO sub(4) (x = 0.13 and 0.2) single crystals. The…”
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Magnon heat transport in doped La2CuO4 by Hess, C, Büchner, B, Ammerahl, U, Colonescu, L, Heidrich-Meisner, F, Brenig, W, Revcolevschi, A

“…We present results of the thermal conductivity of La2CuO4 and La(1.8)Eu(0.2)CuO4 single crystals which represent model systems for the two-dimensional spin-1/2…”
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Magnon heat conductivity and mean free paths in two-leg spin ladders: A model-independent determination by Hess, C., Ribeiro, P., Büchner, B., ElHaes, H., Roth, G., Ammerahl, U., Revcolevschi, A.

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Nernst effect of stripe ordering La1.8−xEu0.2SrxCuO4 by Hess, C., Ahmed, E.M., Ammerahl, U., Revcolevschi, A., Büchner, B.

“… We investigate the transport properties of La 1.8−x Eu 0.2 Sr x CuO 4 ( x = 0.04, 0.08, 0.125, 0.15, 0.2) with a special focus on the Nernst effect in the…”
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Crystal growth of the spin-ladder compound (Ca, La)14Cu24O41 and observation of one-dimensional disorder by AMMERAHL, U, REVCOLEVSCHI, A

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Absence of a spin gap in the superconducting ladder compound Sr2Ca12Cu24O41 by MAYAFFRE, H, AUBAN-SENZIER, P, NARDONE, M, JEROME, D, POILBLANC, D, BOURBONNAIS, C, AMMERAHL, U, DHALENNE, G, REVCOLEVSCHI, A

“…Transport and copper-63 nuclear magnetic resonance measurements of the Knight shift and relaxation time [T.sub.1] performed on the two-leg spin ladders of…”
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Structural aspects of the spin-ladder compound Sr14Cu24O41 by ETRILLARD, J, BRADEN, M, GUKASOV, A, AMMERAHL, U, REVCOLEVSCHI, A

“…Single crystal neutron scattering measurements have been performed on the spin-ladder compound Sr14Cu24O41 at 7 K. The incommensurate composite structure has…”
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Magnetization of hole-doped CuO2 spin chains in Sr14-xCaxCu24O41 by KLINGELER, R, TRISTAN, N, BÜCHNER, B, HÜCKER, M, AMMERAHL, U, REVCOLEVSCHI, A

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Crystal growth of pure and substituted low-dimensionality cuprates CuGeO3, La2CuO4, SrCuO2, Sr2CuO3 and Sr14Cu24O41 by the floating zone and travelling solvent zone methods by Revcolevschi, A, Ammerahl, U, Dhalenne, G

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Crystal growth and characterization of the spin-ladder compound (Sr, Ca)14Cu24O41 by AMMERAHL, U, DHALENNE, G, REVCOLEVSCHI, A, BERTHON, J, MOUDDEN, H

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Magnetic Frustration Induced Formation of the Spin-Peierls Phase in CuGeO3: Experimental Evidence by Büchner, B, Ammerahl, U, Lorenz, T, Brenig, W, Dhalenne, G, Revcolevschi, A

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Magnetic excitations in two-leg spin 1/2 ladders: experiment and theory by Grüninger, M, Windt, M, Nunner, T, Knetter, C, Schmidt, K.P, Uhrig, G.S, Kopp, T, Freimuth, A, Ammerahl, U, Büchner, B, Revcolevschi, A

“…Magnetic excitations in two-leg S=1/2 ladders are studied both experimentally and theoretically. Experimentally, we report on the reflectivity, the…”
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Longitudinal-neutron-polarization-analysis study of the spin dynamics in Sr14Cu24O41 by BOULLIER, C, REGNAULT, L. P, LORENZO, J. E, RØNNOW, H. M, AMMERAHL, U, DHALENNE, G, REVCOLEVSCHI, A

“…The crystallographic structure of the cuprate Sr14Cu24O41 is a misfit stacking of layers of two distinct quantum-spin systems: linear edge-sharing CuO2 chains…”
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An NMR approach to the superconducting regime of the spin ladder compound Sr2Ca12Cu24O41 by PISKUNOV, Y, JEROME, D, AUBAN-SENZIER, P, WZIETEK, P, AMMERAHL, U, DHALENNE, G, REVCOLEVSCHI, A

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Anisotropic thermal conductivity of spin ladder cuprate Sr12Ca2Cu24O41 by Sologubenko, A.V, Giannó, K, Ott, H.R, Ammerahl, U, Revcolevschi, A, Brewer, D.F, Thomson, A.L

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Crystal growth of Na(V, Ti)2O5 by COLONESCU, L, AMMERAHL, U, GROSS, R, KIERSPEL, H, BÜCHNER, B

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Anisotropic antiferromagnetism in Ca9La5Cu24O41 by Ammerahl, U., Kerpen, C., Büchner, B., Gross, R., Revcolevschi, A.

“…Authors present specific heat measurements of a Ca9La5Cu24O41 single crystal in magnetic fields up to 14 T along the three principal crystallographic axes…”
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The interplay of charge order and magnetism in the one-dimensional quantum spin system Sr14Cu24O41 by MIENERT, D, KLAUSS, H.-H, AMATO, A, ZIMMERMANN, U, HITTI, B, KREITZMAN, S, BOSSE, A, BAABE, D, LUETKENS, H, BIRKE, M, LITTERST, F. J, BÜCHNER, B, AMMERAHL, U, REVCOLEVSCHI, A

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Optics in the ladder compounds Sr14−xCaxCu24O41 by Ruzicka, B, Degiorgi, L, Ammerahl, U, Dhalenne, G, Revcolevschi, A

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