Direct observation of the Fermi surface in Ba1-xKxBiO3.
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Biomedical subjects
RH Howell
Publications and source records attributed to RH Howell.
Evolution of the electronic structure of La2-xSrxCuO4 with doping determined by positron-annihilation spectroscopy.
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Correlation of the superconducting transition to oxygen stoichiometry in single-crystal Ba1-xKxBiO3-y.
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Valence bands and Fermi-surface topology of untwinned single-crystal YBa2Cu3O6.9.
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Direct observation of Fermi surface in YBa2Cu3O7- delta.
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Chemical modification of positronium formation at metal surfaces.
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First observation of resonant excitation of high-n states in positronium.
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Local charge-density change and superconductivity: A positron study.
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Spectroscopy of positronium emission from alkali halides.
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Positron-annihilation studies of the electronic structure of NiO.
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Temperature dependence of the positron annihilation lifetime in single-crystal YBa2Cu
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Electronic structure studies of La2CuO
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Evidence for a common high-temperature superconducting effect in La1.85Sr0.15CuO4 and YBa2Cu3O7.
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Positronium emission from lead.
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Positronium time-of-flight spectroscopy of dissimilar metals.
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Temperature dependence of the positronium work function.
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Production of energetic positronium at metal surfaces.
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