Published 1989
| Version v1
Journal article
Valence transition in Yb hydrides
- 1. Eidgenoessische Technische Hochschule, Zurich (Switzerland). Lab. fuer Festkoerperphysik
- 2. Fribourg Univ. (Switzerland)
Description
Yb exhibits an unstable 4f configuration in certain compounds. It has been shown experimentally and theoretically that 3d core-level spectra of some rare earth ions exhibit satellite features which can be quantitatively related to the 4f occupancy in the ground state. We present 3d photoelectron spectra of various Yb-hydrides, measured with Si Kα radiation at 1740 eV photon energy. The results indicate divalent Yb in YbH1.8≤x≤2 and mixed valency in the trihydrides (YbH2<x≤2.6). (orig.)
Additional details
Publishing Information
- Journal Title
- Zeitschrift fuer Physikalische Chemie, Neue Folge
- Journal Volume
- 163
- Journal Issue
- pt.2
- Series
- Z. Phys. Chem., Neue Folge.
- Journal Page Range
- 579-584
- ISSN
- 0044-3336
- CODEN
- ZPCFA
Conference
- Title
- International symposium on metal-hydrogen systems, fundamentals and applications.
- Dates
- 4-9 Sep 1988.
- Place
- Stuttgart (Germany, F.R.).
INIS
- Country of Publication
- Germany
- Country of Input or Organization
- Germany
- INIS RN
- 21042572
- Subject category
- S36: MATERIALS SCIENCE;
- Resource subtype / Literary indicator
- Conference
- Descriptors DEI
- ELECTRONIC STRUCTURE; PHOTOELECTRON SPECTROSCOPY; VALENCE; YTTERBIUM HYDRIDES
- Descriptors DEC
- ELECTRON SPECTROSCOPY; HYDRIDES; HYDROGEN COMPOUNDS; RARE EARTH COMPOUNDS; SPECTROSCOPY; YTTERBIUM COMPOUNDS