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17 Result(s)

within J Richter Remove this filter Characterization and Evaluation of Materials Remove this filter

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  1. No Access

    Article

    Additive Manufacturing of Co-Ni-Ga High-Temperature Shape Memory Alloy: Processability and Phase Transformation Behavior

    Co-Ni-Ga high-temperature shape memory alloy is additively processed by selective laser melting for the first time. Reversible martensitic transformation of the as-built material is proven by differential scan...

    C. Lauhoff, A. Fischer, C. Sobrero, A. Liehr… in Metallurgical and Materials Transactions A (2020)

  2. No Access

    Article

    Patterned laser annealing of silicon oxide films

    UV-absorbing silicon monoxide (SiO x , x≈1) thin films on fused silica substrates are irradiated by an ArF excimer laser (wavelength 193 nm) in the sub-ablation threshold regime....

    J. Richter, J. Meinertz, J. Ihlemann in Applied Physics A (2011)

  3. Article

    Open Access

    Ablation of silicon suboxide thin layers

    We investigate the ablation of SiO x thin films on fused silica substrates using single-pulse exposures at 193 nm and 248 nm. Two ablation modes are considered: front side (the ...

    M. Jahn, J. Richter, R. Weichenhain-Schriever, J. Meinertz… in Applied Physics A (2010)

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  4. No Access

    Article

    Low-temperature resistance of DNA-templated nanowires

    We present low-temperature measurements of the electrical conductivity of metallic nanowires assembled on single DNA molecules by chemical deposition of a thin continuous palladium film. The investigated nanow...

    J. Richter, M. Mertig, W. Pompe, H. Vinzelberg in Applied Physics A (2002)

  5. No Access

    Article

    Nanoprocessing of metastable nm-period multilayers

    A.A. Gorbunov, J. Richter, W. Pompe in Applied Physics A (1998)

  6. No Access

    Article

    X-ray absorption and X-ray photoelectron spectroscopy of a rhodium colloid

    Transition metal colloids are potential precursors of heterogeneous catalysts with application to selective chemical reactions. Sample preparation techniques are described. Experimental details are given of th...

    J. Rothe, J. Pollmann, R. Franke, J. Hormes… in Fresenius' Journal of Analytical Chemistry (1996)

  7. No Access

    Article

    Quantum fluctuations in structurally disordered antiferrromagnets

    We present exact diagonalisation data for the ground state of finite two-dimensional spin 1/2 Heisenberg antiferromagnets with structural disorder. The combination of antiferromagnetic coupling and structural ...

    K. Retzlaff, J. Richter in Journal of Low Temperature Physics (1995)

  8. No Access

    Article

    Ground-state phase relationships and level ordering for frustrated quantum antiferromagnets

    We present arguments in favor of the suggestion that the Marshall-Peierls phase relationships and the Lieb-Mattis level ordering survive the frustration in the squarelattice Heisenberg antiferromagnet for rela.....

    J. Richter, N. B. Ivanov, A. Voigt, K. Retzlaff in Journal of Low Temperature Physics (1995)

  9. No Access

    Article

    Properties of niobium-based Josephson tunneling elements in junction microstructures

    We describe the fabrication and electrical characteristics of niobium oxide-barrier tunnel junctions with counterelectrodes of lead/lead alloy. Primary attention is directed to the experimental conditions nece...

    G. Albrecht, J. Richter, P. Weber in Journal of Low Temperature Physics (1982)

  10. No Access

    Article

    Theoretical investigation of the transition temperature of dirty proximity-effect sandwich systems

    The influence of impurities and of an interface barrier on the critical temperature of a superconductor-normal (SN) metal sandwich is studied in the Cooper limit. The investigations are based on new equations ...

    W. Haberkorn, J. Richter in Journal of Low Temperature Physics (1979)

  11. No Access

    Article

    Auswertung von Messungen an Thermoketten, die geschmolzene Salzmischun gen enthalten

    R. Haase, U. Prüser, J. Richter in Colloid and Polymer Science (1979)

  12. No Access

    Article

    Untersuchungen an nichtisothermen Salzschmelzen. Anfangswerte der Thermokraft für die Systeme AgNO3, LiNO3 + AgNO3 und NaNO3 + AgNO3 in Abhangigkeit von Temperatur und Zusammensetzung

    J. Richter, A. Heller, W. Vreuls in Colloid and Polymer Science (1978)

  13. No Access

    Article

    Zur irreversiblen Thermodynamik einfacher Salzschmelzen. 3. Mitt. Eine Beziehung zwischen Inter-und Selbstdiffusionskoeffizienten für Schmelzen mit konstanten partiellen molaren Volumina am Beispiel NaNO3 + AgNO3

    J. Richter in Colloid and Polymer Science (1978)

  14. No Access

    Article

    Zur irreversiblen Thermodynamik einfacher Salzschmelzen. 1. Mitt. Konzentrationsabhängigkeit des Interreibungskoeffizienten aus Transportdaten

    J. Richter in Colloid and Polymer Science (1976)

  15. No Access

    Article

    Zur irreversiblen Thermodynamik einfacher Salzschmelzen. 2. Mitt. Verknüpfung der Selbstdiffusion mit den interionischen Wechselwirkungen

    J. Richter in Colloid and Polymer Science (1976)

  16. No Access

    Article

    Viskosimeter für sehr geringe Flüssigkeitsmengen

    Es wird ein Viskosimeter für Flüssigkeitsmengen von weniger als 10 mm3 beschrieben. Zur Messung wird die Flüssigkeit zwischen zwei sich in geringem Abstand parallel gegenüberstehende Bleizirkontitanatwandler gebr...

    J. Richter in Rheologica Acta (1970)

  17. No Access

    Article

    Beitrag zur photometrischen Bestimmung von Adrenalin und anderen Brenzcatechinabkömmlingen in Arzneifertigwaren

    Es wird eine Methode zur photometrischen Bestimmung von Adrenalin, Corbasil (Contractin), Noradrenalin und Novodrin (Aludrin) beschrieben. Adrenalin, Corbasil und Noradrenalin lassen sich auch neben Jenacain (...

    J. Richter in Fresenius' Zeitschrift für analytische Chemie (1955)