Search Results - "B, Damaschke"

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    Magnetic-Field-Induced Suppression of Jahn-Teller Phonon Bands in (La 0.6 Pr 0.4 ) 0.7 Ca 0.3 MnO 3 : the Mechanism of Colossal Magnetoresistance shown by Raman Spectroscopy by Merten, S, Shapoval, O, Damaschke, B, Samwer, K, Moshnyaga, V

    Published in Scientific reports (01-12-2019)
    “…A long-standing issue in the physics of the colossal magnetoresistance is the role of electron-phonon coupling, which manifests itself as Jahn-Teller polarons…”
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    Journal Article
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    Magnetic-Field-Induced Suppression of Jahn-Teller Phonon Bands in (La0.6Pr0.4)0.7Ca0.3MnO3: the Mechanism of Colossal Magnetoresistance shown by Raman Spectroscopy by Merten, S., Shapoval, O., Damaschke, B., Samwer, K., Moshnyaga, V.

    Published in Scientific reports (20-02-2019)
    “…A long-standing issue in the physics of the colossal magnetoresistance is the role of electron-phonon coupling, which manifests itself as Jahn-Teller polarons…”
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    Journal Article
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    Examining the influence of turbulence on viscosity measurements of molten germanium under reduced gravity by Bracker, G. P., Luo, Y., Damaschke, B., Samwer, K., Hyers, R. W.

    Published in NPJ microgravity (24-11-2022)
    “…The thermophysical properties of liquid germanium were recently measured both in parabolic flight experiments and on the ISS in the ISS-EML facility. The…”
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    Journal Article
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    Intrinsic antiferromagnetic coupling underlies colossal magnetoresistance effect: Role of correlated polarons by Moshnyaga, V., Belenchuk, A., Hühn, S., Kalkert, C., Jungbauer, M., Lebedev, O. I., Merten, S., Choi, K.-Y., Lemmens, P., Damaschke, B., Samwer, K.

    “…A commonly believed picture of colossal magnetoresistance (CMR) effect is related to a first-order phase transition and electronic phase separation with…”
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    Journal Article
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    Dynamic singularity in multicomponent glass-forming metallic liquids by Chathoth, S M, Damaschke, B, Koza, M M, Samwer, K

    Published in Physical review letters (18-07-2008)
    “…In the liquid state, glass-forming Ni59.5Nb40.5 and Ni60Nb34.8Sn5.2 alloys exhibit an extraordinarily high packing fraction. The self-correlation functions…”
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    Journal Article
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    Structural phase transition at the percolation threshold in epitaxial (La 0.7 Ca 0.3 MnO 3 ) 1- x :(MgO) x nanocomposite films by Moshnyaga, V, Damaschke, B, Shapoval, O, Belenchuk, A, Faupel, J, Lebedev, O. I, Verbeeck, J, van Tendeloo, G, Mücksch, M, Tsurkan, V, Tidecks, R, Samwer, K

    Published in Nature materials (01-04-2003)
    “…'Colossal magnetoresistance' in perovskite manganites such as La0.7Ca0.3MnO3 (LCMO), is caused by the interplay of ferro-paramagnetic, metal-insulator and…”
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    Journal Article
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    Thermophysical properties of Si, Ge, and Si-Ge alloy melts measured under microgravity by Chathoth, S. M., Damaschke, B., Samwer, K., Schneider, S.

    Published in Applied physics letters (18-08-2008)
    “…We have investigated density, thermal expansion, and surface tension of Si, Ge, and Si-Ge alloys in the melt and undercooled state under microgravity…”
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    Journal Article
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    Intrinsic inhomogeneities in manganite thin films investigated with scanning tunneling spectroscopy by Becker, T, Streng, C, Luo, Y, Moshnyaga, V, Damaschke, B, Shannon, N, Samwer, K

    Published in Physical review letters (02-12-2002)
    “…Thin films of La0.7Sr0.3MnO3 on MgO show a metal insulator transition and colossal magnetoresistance. The shape of this transition can be explained by…”
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    Journal Article
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    Influence of structural changes on diffusion in liquid germanium by Chathoth, S. M., Damaschke, B., Unruh, T., Samwer, K.

    Published in Applied physics letters (01-06-2009)
    “…Liquid germanium exhibits a change in the bonding character from being more covalent to more metallic while heating. We used quasielastic neutron scattering to…”
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    Journal Article
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    Measurement of nanohardness and nanoelasticity of thin gold films with scanning force microscope by Kracke, B., Damaschke, B.

    Published in Applied physics letters (17-07-2000)
    “…With a scanning force microscope operating in ultrahigh vacuum, we measured local mechanical properties of single crystalline gold islands. The elastic moduli…”
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    Journal Article
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    A-site ordering versus electronic inhomogeneity in colossally magnetoresistive manganite films by Moshnyaga, V, Sudheendra, L, Lebedev, O I, Köster, S A, Gehrke, K, Shapoval, O, Belenchuk, A, Damaschke, B, van Tendeloo, G, Samwer, K

    Published in Physical review letters (08-09-2006)
    “…Epitaxial La(3/4)Ca(1/4)MnO3/MgO(100) (LCMO) thin film shows an unusual rhombohedral (R-3c) structure with a new perovskite superstructure at room temperature…”
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    Journal Article
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    Thermal expansion measurements of glass-forming alloys in the melt and the undercooled state under microgravity conditions by Damaschke, B., Samwer, K.

    Published in Applied physics letters (11-10-1999)
    “…We present measurements of the thermal expansion of the glass forming alloys Zr57Cu15.4Ni12.6Nb5Al10, Zr65Cu17.5Al7.5Ni10, Zr11Cu47Ti34Ni8, Zr60Cu18Al10Ni9Co3,…”
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    Journal Article
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    Giant changes in atomic dynamics on microalloying metallic melt by Chathoth, S. M., Damaschke, B., Embs, J. P., Samwer, K.

    Published in Applied physics letters (09-11-2009)
    “…We report unexpectedly strong variations in the relaxational dynamics in a glass-forming metallic melt while microalloying. Analysis of quasielastic neutron…”
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    Journal Article
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    Modification of thin gold films with a scanning force microscope by Schumacher, H.W., Kracke, B., Damaschke, B.

    Published in Thin solid films (15-08-1995)
    “…Thin gold films grown on mica were investigated with the scanning force microscope. By rising the set-point force of the microscope working in the…”
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    Journal Article Conference Proceeding
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    Dynamics in Cu 46 Zr 42 Al 7 Y 5 melts: Interplay between packing densityand viscosity by Chathoth, S. M., Damaschke, B., Embs, J. P., Samwer, K.

    Published in Applied physics letters (22-05-2009)
    “…We have investigated microscopic dynamics in the bulk glass-forming Cu 46 Zr 42 Al 7 Y 5 melts using quasielastic neutron scattering (QENS). Self-correlation…”
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    Journal Article
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