Structure of La2@C80 studied by La K-edge XAFS - ScienceDirect
2001年2月23日 · The structure of La 2 @C 80 is studied by La K-edge XAFS from 40 to 295 K. The distances between the La atom and the first nearest C atoms have been determined to be …
X-ray Absorption Edges - University of Washington
The values for f' and f" are derived using the theoretical approximation developed by Cromer and Liberman. This theory gives accurate values far from an absorption edge but does not account …
In the present study, we recorded La K-edge XAFS spectra to examine the structure of La species on alumina and their structural transformation upon thermal treatment.
La K-edge XAFS对La / Al2O3催化剂的结构分析。,Journal ... - X-MOL
2001年8月22日 · La / Al2O3催化剂材料的结构分析是通过XRD和La K-edge XAFS进行的。 研究了负载量和处理温度对La周围局部结构的影响。 当负载量小于0.2 mmol g（Al2O3）（-1） …
(A) La K-edge XANES spectra Pd/La(5)-Al 2 O 3 and La 2 O 3. (B) …
The results indicated that La promoted the activity of Pd/La-Al 2 O 3 catalyst for NO-CO reaction. ... Key role of NO + C3H8 reaction for the elimination of NO in automobile exhaust by...
A high pressure La K-edge X-ray absorption fine structure …
2017年11月6日 · La K-edge X-ray absorption spectroscopy has been used to elucidate the changes in the local electronic and lattice structure that occur in the A-site deficient double …
K- and L-edge X-ray Absorption Spectroscopy (XAS) and Resonant ...
This review gives an overview of the application of metal K-edge and L-edge X-ray absorption spectroscopy (XAS), as well as K resonant inelastic X-ray scattering (RIXS), to the study of …
Structural analysis of La/Al2O3 catalysts by La K‐edge XAFS
2004年7月1日 · Structural analysis of La/Al2O3 catalyst materials was carried out by means of XRD and La K-edge XAFS. Influences of loading amounts and treatment temperature on the …
Local structure of molten LaCl3 by K-absorption edge XAFS
2002年10月23日 · The local structure of molten LaCl 3 was investigated by X-ray absorption fine structure of the La K-edge. The nearest La 3+ –Cl − distance and coordination number were …
K-edge 和逃逸问题 - CSDN博客
2023年11月3日 · K-edge（K边缘） 是X射线吸收光谱中的一个特定能量点。 这个点与原子核的K壳层（内壳层）电子有关。 当入射X射线的能量等于或略高于K壳层电子的束缚能量时，会 …