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  1. No Access

    Article

    Neutron Ray-Tracing Simulations of a New Supermirror Guide for the Osiris Spectrometer

    A new supermirror guide has been proposed to replace the current neutron guide of the indirect time-of-flight near-backscattering spectrometer OSIRIS at the ISIS facility. Here we present an extensive Monte Ca...

    A. Perrichon, F. Fernandez-Alonso, M. Wolff… in Journal of Surface Investigation: X-ray, S… (2020)

  2. Article

    Open Access

    Spinon confinement and a sharp longitudinal mode in Yb2Pt2Pb in magnetic fields

    The fundamental excitations in an antiferromagnetic chain of spins-1/2 are spinons, de-confined fractional quasiparticles that when combined in pairs, form a triplet excitation continuum. In an Ising-like spin...

    W. J. Gannon, I. A. Zaliznyak, L. S. Wu, A. E. Feiguin… in Nature Communications (2019)

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  3. Article

    Open Access

    Diffusion mechanism in the sodium-ion battery material sodium cobaltate

    High performance batteries based on the movement of Li ions in Li x CoO2 have made possible a revolution in mobile electronic technology, from laptops to mobile phones. However, ...

    T. J. Willis, D. G. Porter, D. J. Voneshen, S. Uthayakumar, F. Demmel… in Scientific Reports (2018)

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  4. No Access

    Chapter and Conference Paper

    Fieldbus controlled live support system for cell-based biohybrid measuring systems

    In biological research, the determination of the vitality of cells and its interactions with substances is important. To measure the vital parameters of living cells, the Intelligent Mobile Lab (IMOLA) with th...

    F. Demmel, D. Grundl, M. Schmidhuber… in World Congress on Medical Physics and Biom… (2010)

  5. No Access

    Chapter and Conference Paper

    Cell Based Assays for Label Free Investigation of Living Cells

    Label free cell based assays are introduced and the corresponding developments at the Heinz Nixdorf- Lehrstuhl für Medizinische Elektronik are presented. A new BioChip-G platform for use with standard microscopes...

    J. Wiest, M. Schmidhuber, D. Grundl… in World Congress on Medical Physics and Biom… (2010)

  6. No Access

    Chapter

    Future Developments in Resonance Spin Echo

    We first present three neutron resonance spin echo (NRSE) machines, being presently under construction — ZETA at ILL Grenoble, RESEDA at TU München and a multi angle analysis unit for MUSES in Saclay. Then we ...

    M. Bleuel, F. Demmel, R. Gähler, R. Golub, K. Habicht… in Neutron Spin Echo Spectroscopy (2003)

  7. No Access

    Article

    Vibrational frequency shifts as a probe of hydrogen bonds: thermal expansion and glass transition of myoglobin in mixed solvents

    The contribution of hydrogen bonds to protein-solvent interactions and their impact on structural flexibility and dynamics of myoglobin are discussed. The shift of vibrational peak frequencies with the temper...

    F. Demmel, W. Doster, W. Petry, A. Schulte in European Biophysics Journal (1997)