Magnetic excitations in SrCu2O3: a Raman scattering study (2008)
Gössling, A., Kuhlmann, U., Thomsen, C., Löffert, A., Gross, C., Assmus, W.
We investigated temperature dependent Raman spectra of the one-dimensional spin-ladder compound SrCu2O3. At low temperatures a two-magnon peak is identified at 3160+/-10 cm^(-1) and its temperature...
Effects of Two Energy Scales in Weakly Dimerized Antiferromagnetic Quantum Spin Chains (2007)
Brühl, A., Wolf, B., Pashchenko, V., Anton, M., Gross, C., Assmus, W., ...
By means of thermal expansion and specific heat measurements on the high-pressure phase of (VO)$_2$P$_2$O$_7$, the effects of two energy scales of the weakly dimerized antiferromagnetic $S$ = 1/2...
Spin-modulated quasi-1D antiferromagnet LiCuVO_4 (2007)
Buettgen, N., Svistov, L. E., Prozorova, L. A., Prokofiev, A., Assmus, W.
We report on magnetic resonance studies within the magnetically ordered phase of the quasi-1D antiferromagnet LiCuVO_4. Our studies reveal a spin reorientational transition at a magnetic field H_c1 ~...
The Samson phase, β-Mg2Al3, revisited (2007)
Feuerbacher, M., Thomas, C., Makongo, J. P. A., Hoffmann, S., Carrillo-Cabrera, W., Cardoso, R., ...
Nitrogen-doped zirconia single crystals (2006)
Rödel, T.C., Wang, Di, Su, Dang Sheng, Lerch, Martin, Prokofiev, A., Luther, K.D., ...
Quantum helimagnetism of the frustrated spin-1/2 chain LiCuVO4 (2005)
Enderle,M., Mukherjee,C., Fåk,B., Kremer,R. K., Broto,J. M., Rosner,H., ...
Raman Response of Magnetic Excitations in Cuprate Ladders and Planes (2005)
Schmidt, K. P., Gössling, A., Kuhlmann, U., Thomsen, C., Löffert, A., Gross, C., ...
An unified picture for the Raman response of magnetic excitations in cuprate spin-ladder compounds is obtained by comparing calculated two-triplon Raman line-shapes with those of the prototypical...
Doping Effects on the Charge-Density-Wave Dynamics in Blue Bronze (2005)
Yue, S., Kuntscher, C. A., Dressel, M., Van Smaalen, S., Ritter, F., Assmus, W.
The temperature dependences of the dc resistivity and the nonlinear transport properties in pure, Rb-doped, and W-doped blue bronze K$_{0.3}$MoO$_{3}$ single crystals are presented. In comparison...
Quantum helimagnetism of the frustrated spin-1/2 chain LiCuVO4 (2005)
Enderle, M., Mukherjee, C., Fak, B., K. Kremer, R., Rosner, H., ...
Quantum helimagnetism of the frustrated spin-1/2 chain LiCuVO4 (2005)
Enderle, M., Mukherjee, C., Fåk, B., Kremer, R. K., Broto, J. M., Rosner, H., ...
Quantum helimagnetism of the frustrated spin-1/2 chain LiCuVO4 (2005)
Enderle, M., Mukherjee, C., Fåk, B., Kremer, R. K., Broto, J. M., Rosner, H., ...
High-temperature behavior of vanadyl pyrophosphate (VO)2P2O7 (2005)
Van Smaalen, S., Dinnebier, R. E., Hanson, J., Gollwitzer, J., Büllesfeld, F., Prokofiev, A., ...
Quantum helimagnetism of the frustrated spin-(1)/(2) chain LiCuVO4 (2005)
Enderle, M., Mukherjee, C., Fak, B., Kremer, R. K., Broto, J. M., Rosner, H., ...
Inelastic neutron scattering, susceptibility, and high-field magnetization identify LiCuVO4 as a nearest-neighbour ferromagnetic, next-nearest-neighbour frustrated, quasi-one-dimensional helimagnet,...
The local atomic quasicrystal structure of the icosahedral Mg25Y11Zn64 alloy (2004)
Bruehne, S., Uhrig, E., Gross, C., Assmus, W., Masadeh, A. S., Billinge, S. J. L.
A local and medium range atomic structure model for the face centred icosahedral (fci) Mg25Y11Zn64 alloy has been established in a sphere of r = 27 A. The model was refined by least squares...
Gibson, B., Kremer, R. K., Prokofiev, A., Assmus, W., Ouladdiaf, B.
CuSb2O6 crystallizes with a monoclinically distorted variant of the trirutile structure type with Cu2+ ions arranged in square planar nets being structurally well separated from each other by Sb-O...
Incommensurate Antiferromagnetic Order in the S=1/2 Quantum Chain Compound LiCuVO4 (2004)
Gibson, B. J., Kremer, R. K., Prokofiev, A. V., Assmus, W., McIntyre, G. J.
Bruehne, S., Uhrig, E., Gross, C., Assmus, W.
We present a new complementary strategy to quasicrystalline structure determination: The local atomic structure of simple icosahedral (si) Ho11Mg15Zn74 [a(6D)=5.144(3)A] in a sphere of up to r=17A...
Medium range real atomic structure of face centred icosahedral Ho9Mg26Zn65 (2003)
Bruehne, S., Sterzel, R., Uhrig, E., Gross, C., Assmus, W.
A new approach to solve quasicrystalline atomic structures in 3-dimensional (3D) real space is presented: The atomic pair distribution function (PDF) of face centred icosahedral Ho9Mg26Zn65 [a(6D) =...
Crystal growth and characterization of the magnetic properties of CuSb2O6 (2003)
Prokofiev, A. V., Ritter, F., Assmus, W., Gibson, B. J., Kremer, R. K.
CuSb2O6 crystallizes in a monoclinically distorted trirutile structure. Although the crystal structure indicates a nearly square planar Cu2+ lattice, the spin system is quasi-one- dimensional (spin...
Polar phonons in the antiferromagnetic S=1/2 spin-chain system CuSb2O6 (2003)
Torgashev, V. I., Shirokov, V. B., Prokhorov, A. S., Gorshunov, B., Haas, P., Dressel, M., ...
Anisotropic Exchange in LiCuVO$_4$ probed by ESR (2002)
Svistov, L. E., Eremin, M. V., Eremina, R. M., Loidl, A., Kataev, V., ...
We investigated the paramagnetic resonance in single crystals of LiCuVO$_4$ with special attention to the angular variation of the absorption spectrum. To explain the large resonance linewidth of the...
A new well-ordered simple isosahedral quasicrystalline phase in the Zn-Mg-Er-system (2002)
Sterzel, R., Gross, C., Kounis, A., Fuess, H., Reutzel, S., Holland-Moritz, D., ...
Elastic properties of ferromagnetic EuB6 (2001)
Zherlitsyn,S., Wolf,B., Lüthi,B., Lang,M., Hinze,P., Uhrig,E., ...
Elastic properties of ferromagnetic EuB6 (2001)
Zherlitsyn, S., Wolf, B., Lüthi, B., Lang, M., Hinze, P., Uhrig, E., ...
Gerhold, S., Nücker, N., Kuntscher, C.A., Schuppler, S., Stadler, S., Idzerda, Y.U., ...
Physical Review B, 63(2001) S.073103
Messung der unbesetzten elektronischen Struktur an (VO)§2P§2O§7. (2000)
Gerhold, S., Nücker, N., Kuntscher, C.A., Pellegrin, E., Schuppler, S., Stadler, S., ...
Frühjahrstagung des Arbeitskreises Festkörperphysik bei der DPG, Regensburg, 26.-31.März 2000
Grove, M., Lemmens, P., Güntherodt, G., Sales, B. C., Büllesfeld, F., Assmus, W.
Single crystals of the spin-gap system $\rm (VO)_2P_2O_7$ have been investigated by means of Raman scattering. At temperatures below T=75 K~$\approx 2\Delta_{01}({\bf k}=0)$, with $\Delta_{01}$ the...
Evidence for an antiferromagnetic quantum critical point near stoichiometric CeCu2Si2 (1999)
Gegenwart,P., Lang,M., Link,A., Sparn,G., Geibel,C., Steglich,F., ...
Evidence for an antiferromagnetic quantum critical point near stoichiometric CeCu2Si2 (1999)
Gegenwart, P., Lang, M., Link, A., Sparn, G., Geibel, C., Steglich, F., ...
Breakup of Heavy Fermions on the Brink of "Phase A" in CeCu2Si2 (1998)
Gegenwart,P., Langhammer,C., Geibel,C., Helfrich,R., Lang,M., Sparn,G., ...
Breakup of Heavy Fermions on the Brink of "Phase A" in CeCu2Si2 (1998)
Gegenwart, P., Langhammer, C., Geibel, C., Helfrich, R., Lang, M., Sparn, G., ...
Prokofiev, A. V., Büllesfeld, F., Assmus, W., Schwenk, H., Wichert, D., Löw, U., ...
Experimental results on magnetic resonance (ESR) and magnetic susceptibility are given for single crystalline (VO)$_2$P$_2$O$_{7}$. The crystal growth procedure is briefly discussed. The...
Are heavy-fermion metals Fermi liquids? (1997)
Steglich,F., Gegenwart,P., Helfrich,R., Langhammer,C., Hellmann,P., Donnevert,L., ...
Are heavy-fermion metals Fermi liquids? (1997)
Steglich, F., Gegenwart, P., Helfrich, R., Langhammer, C., Hellmann, P., Donnevert, L., ...
A structure anomaly in YBCO and PrBCO polycrystals (1996)
The elaborated and well characterised YBa2Cu3O7−x and PrBa2Cu3O7−x polycrystals were studied by means of differential scanning calorimetry and thermogravimetry in different atmospheres....
An unknown phase transition in YBCO and PBCO cuprates (1996)
By means of differential scanning calorimetry, thermogravimetry, and high-temperature x-ray diffraction in different atmospheres, an opposite thermal dynamic change in superconducting and...
Tetragonal to orthorhombic transition in Bi2Sr2CaCu2Ox (1995)
Zhan, H, Feng, Q, Ritter, F, Sun, W, Frieling, T, ...
Tetragonal to orthorhombic transition in Bi2Sr2CaCu2Ox (1995)
Zhan, H, Feng, Q, Ritter, F, Sun, W, Frieling, T, ...
Modler, R., Lang, M., Geibel, C., Schank, C., Müller-Reisener, R., Hellmann, P., ...
Proc.of the Conf.on Strongly Correlated Electron Systems, Amsterdam, NL, August 15-18, 1994
Tetragonal to orthorhombic transition in Bi2Sr2CaCu2Ox (1995)
Zhan, H, Feng, Q, Ritter, F, Sun, W, Frieling, T, ...
Andreev reflections on heavy-fermion superconductors (1994)
Wilde, Y. De, Heil, J., Jansen, A.G.M., Wyder, P., Deltour, R., Assmus, W., ...
Konkurrierende Phasen in CeCu§2Si§2. (1994)
Modler, R., Lang, M., Assmus, W., Sun, W., Bruls, G., Wolf, B., ...
Frühjahrstagung des Arbeitskreises Festkörperphysik bei der DPG, gemeinsame Tagung mit der Österreichischen Physikalischen Gesellschaft -Fachausschuss Festkörperphysik-, Nederlandse Natuurkundige...
Unusual B-T phase diagram of the heavy-fermion superconductor CeCu§2Si§2. (1994)
Bruls, G., Wolf, B., Finsterbusch, D., Thalmeier, P., Kouroudis, I., Sun, W., ...
Physical Review Letters, 72(1994) S.1754-57
Tunneling spectroscopy of high-Tc superconductors. (1993)
Becherer, T., Huth, M., Adrian, H., Kowalewski, J., Assmus, W., Wolf, T.
Proc.of the 4th Internat.Conf.on the Physics of Transition Metals (ICPTM-4), Darmstadt, July 20-24, 1992
Becherer, Th., Kowalewski, J., Wolf, T., Huth, M., Adrian, H., Assmus, W.
Fruehjahrstagung des Arbeitskreises Festkoerperphysik bei der DPG, gemeinsame Tagung mit der Oesterreichischen Physikalischen Gesellschaft -Fachausschuss Festkoerperphysik-, Nederlandse Natuurkundige...
Sparn, G., Baenitz, M., Horn, S., Steglich, F., Assmus, W., Wolf, T., ...
Proc.of the Internat.Conf.on Materials and Mechanisms of Superconductivity High-Temperature Superconductors (M2S-HTSC), Stanford, Calif., July 23 - 28, 1989 Part I
Sparn, G., Baenitz, M., Steglich, F., Assmus, W., Wolf, T., Zhao, Z.X.
Fruehjahrstagung DPG, Festkoerperphysik, Duenne Schichten, Dynamik und Statistische Physik, Halbleiterphysik, Magnetismus, Metallphysik, Oberflaechenphysik, Tiefe Temperaturen, Vakuumtechnik,...
Dielectric function of YBa§2Cu§3O§7§-§d§e§l§t§a between 50 meV and 50 eV. (1990)
Romberg, H., Nuecker, N., Fink, J., Wolf, T., Xi, X.X., Koch, B., ...
Zeitschrift fuer Physik B, 78(1990) S.367-80
X-ray, neutron and electron diffraction studies on YBa§2Cu§3O§7§-§x (x=0...1). (1988)
Roth, G., Heger, G., Renker, B., Pannetier, J., Caignaert, V., Hervieu, M., ...
Symp.High Temperature Superconductors, Structure and Microstructure, Bad Nauheim, April 21-22, 1988
Geserich, H.P., Scheiber, G., Geerk, J., Li, H.C., Linker, G., Assmus, W., ...
Europhysics Letters, 6(1988) S.277-82
Optical spectra of YBa§2Cu§3O§7§-§d§e§l§t§a between 0.15 and 6 eV. (1988)
Geserich, H.P., Koch, B., Scheiber, G., Geerk, J., Li, H.C., Linker, G., ...
Proc.of the Internat.Conf.on High-Temperature Superconductors and Materials and Mechanisms of Superconductivity, Interlaken, CH, February 29 - March 4, 1988
Copper deficiency in YBa§2Cu§3O§7§-§d§e§l§t§a. (1988)
Roth, G., Heger, G., Schweiss, P., Renker, B., Assmus, W., Kowalewski, J., ...
Physica C, 152(1988) S.329-34
Observation of phonon anomalies in the intermediate-valence compound CePd§3. (1988)
Severing, A., Reichardt, W., Holland-Moritz, E., Wohlleben, D., Assmus, W.
Physical Review B, 38(1988) S.1773-78
Pressure induced phonon frequency shifts in mixed valent CeSn§3. (1985)
Blaschko, O., Krexner, G., Pintschovius, L., Assmus, W., Ernst, G.
Solid State Communications, 51(1984) S.971-73
Normal-state and superconducting properties of HfV§2. (1985)
Luethi, B., Herrmann, M., Assmus, W., Schmidt, H., Rietschel, H., Wuehl, H., ...
Zeitschrift fuer Physik B, 60(1985) S.387-92
Phonon dispersion curves of CeSn§3 in the vicinity of the R-point. (1983)
Pintschovius, L., Holland-Moritz, E., Wohlleben, D., Staehr, S., Liebertz, J., Assmus, W., ...
Solid State Communications, 47(1983) S.663-64
LaAg§xIn§1§-§x II. Phonon dispersion, elastic constants and structural instability. (1980)
Knorr, K., Renker, B., Assmus, W., Luethi, B., Takke, R., Lauter, H.J.
Zeitschrift fuer Physik B - Condensed Matter, 39(1980) S.151-58
Maetz, J., Muellner, M., Jex, H., Assmus, W., Takke, R.
Zeitschrift fuer Physik B, 37(1980) S.39-45
Akustische Phononen in LaAg(sub 1-x)In(sub x). (1979)
Knorr, K., Renker, B., Luethi, B., Assmus, W., Takke, R.
Fruehjahrstagung DPG, Festkoerperphysik, Muenster, 12.-17.Maerz 1979. Verhandlungen der Deutschen Physikalischen Gesellschaft, R.6, Bd 14(1979) S.248
Investigations on the dynamics and structure of solids. (1979)
Assmus, W., Burkin, J., Buschow, K.H.J., Christensen, A.N., Currat, R., Estel, J., ...
In: Progress Report. Teilinstitut Nukleare Festkoerperphysik des Instituts fuer Angewandte Kernphysik. 1.6.1978 - 31.5.1979
LUMINESCENCE AND TRAPPING CENTRES IN PURE AND Cd DOPED SILVER CHLORIDE CRYSTALS (1976)
Polzin, W., Assmus, W., Granzer, F.
Luminescence spectra and glow curves of differently treated pure and Cd doped AgCl crystals at different temperatures were compared with ESR measurements to determine the nature of the luminescence...
LUMINESCENCE AND TRAPPING CENTRES IN PURE AND Cd DOPED SILVER CHLORIDE CRYSTALS (1976)
Polzin, W., Assmus, W., Granzer, F.
Luminescence spectra and glow curves of differently treated pure and Cd doped AgCl crystals at different temperatures were compared with ESR measurements to determine the nature of the luminescence...
LUMINESCENCE AND TRAPPING CENTRES IN PURE AND Cd DOPED SILVER CHLORIDE CRYSTALS (1976)
Polzin, W., Assmus, W., Granzer, F.
Luminescence spectra and glow curves of differently treated pure and Cd doped AgCl crystals at different temperatures were compared with ESR measurements to determine the nature of the luminescence...