An improved method to determine the weight fraction of 2212 and 2201 phase impurities in BSCCO-2223 powders from x-ray powder diffraction peaks

被引：18

作者：

Schmahl, WW ^{[1
]}

Lehmann, M

Rath, S

Gerards, M

Riddle, R

机构：

[1] Univ Tubingen, Inst Mineral, D-72074 Tubingen, Germany

[2] Merck KGAA, Analyt Res, D-64271 Darmstadt, Germany

[3] Merck KGAA, Gernsheim Analyt Lab, D-64579 Gernsheim, Germany

[4] Merck Sharp & Dohme Ltd, Poole BH15 1TD, Dorset, England

来源：

SUPERCONDUCTOR SCIENCE & TECHNOLOGY | 1998年 / 11卷 / 11期

关键词：

D O I：

10.1088/0953-2048/11/11/013

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

We propose a standard operating procedure for the estimation of the amount of 2212 and 2201 phases in a 2223 PBSCCO HTSC powder, based on one to two observed x-ray powder diffraction intensities for each phase. The quantitative phase analysis takes into account the effects of preferred orientation, structure factor magnitude and particle absorption contrast. The procedure is derived from Rietveld analysis of the full diffractogram.

引用

页码：1269 / 1276

页数：8

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