Mitsuru Ueda, Hideharu Mori, et al.
Journal of Polymer Science Part A: Polymer Chemistry
We have studied the 4f-photoelectron spectra of SmS, EuS, DyS, TmS, and YbS using high-resolution (E150 meV) photoemission with synchrotron radiation. By means of a systematic treatment of the 4f-ionization energies, the bulk and surface valence states of these and several other rare-earth metal sulfides are determined by interpolation. In particular, we find in TmS that the trivalent state is stable by only 0.2 eV, and we show that, owing to this low stability, the surface in TmS is divalent. © 1982 The American Physical Society.
Mitsuru Ueda, Hideharu Mori, et al.
Journal of Polymer Science Part A: Polymer Chemistry
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EMC 2001
Surendra B. Anantharaman, Joachim Kohlbrecher, et al.
MRS Fall Meeting 2020
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