Published August 1983
| Version v1
Journal article
Samarium valence changes and reactive interdiffusion at the Si(111)-Sm interface
- 1. Minnesota Univ., Minneapolis (USA). Dept. of Chemical Engineering and Materials Science
- 2. Wisconsin Univ., Madison (USA). Dept. of Physics
Description
Synchrotron radiation photoemission studies show that the Si(111)2x1-Sm interface has a complex morphology involving sequential formation stages with different Sm valence states. For metal coverages up to 2-3 A, Sm atoms appear only in a divalent state. At higher coverages (up to 10-15 A) the trivalent Sm configuration dominates and large chemical shifts of Si 2p and Sm 4f and 5p levels are observed. The Sm valence change is related to the onset of the reactive interdiffusion of Sm and Si. (author)
Additional details
Publishing Information
- Journal Title
- Solid State Commun.
- Journal Volume
- 47
- Journal Issue
- 6
- Series
- Solid State Commun.
- Journal Page Range
- 427-430
- ISSN
- 0038-1098
INIS
- Country of Publication
- United Kingdom
- Country of Input or Organization
- United Kingdom
- INIS RN
- 15004101
- Subject category
- S75: CONDENSED MATTER PHYSICS, SUPERCONDUCTIVITY AND SUPERFLUIDITY;
- Descriptors DEI
- CHEMICAL SHIFT; CRYSTAL STRUCTURE; DIFFUSION; ENERGY LEVELS; ENERGY SPECTRA; INTERFACES; LAYERS; PHOTOEMISSION; SAMARIUM; SILICON; SUBSTRATES; SURFACES; SYNCHROTRON RADIATION; VALENCE
- Descriptors DEC
- BREMSSTRAHLUNG; ELECTROMAGNETIC RADIATION; ELEMENTS; EMISSION; METALS; RADIATIONS; RARE EARTHS; SECONDARY EMISSION; SEMIMETALS; SPECTRA