X-ray spectra (solids and liquids) D 6510 ## 24 -017 Pressure and Temperature Dependence of the Eu Valence in EuNi2Ge2 and Related Systems Studied by Moessbauer Effect, X-Ray Absorption, and X-Ray Diffraction. -Pressure-and temp.-induced valence transition of Eu in the ThCr2Si2-type EuNi2Ge2 and
✦ LIBER ✦
Determination of the average ionic radius and effective valence of Ce in the Nd2−xCexCuO4 electron superconductor system by X-ray diffraction
✍ Scribed by T.C. Huang; E. Moran; A.I. Nazzal; J.B. Torrance; P.W. Wang
- Publisher
- Elsevier Science
- Year
- 1989
- Tongue
- English
- Weight
- 260 KB
- Volume
- 159
- Category
- Article
- ISSN
- 0921-4534
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## Abstract The MgCl~2~‐supported titanium catalyst MTK~ST~ was characterized by X‐ray diffraction measurement and electron spin resonance (ESR) spectroscopy. To obtain a better understanding of the nature of active sites the process of catalyst formation was interrupted at several stages to obtain