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Author:

陈澍 (陈澍.) | 金头男 (金头男.) | 王辉 (王辉.) | 原效坤 (原效坤.) | 王二平 (王二平.)

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CQVIP PKU CSCD

Abstract:

以BaCO_3,MnCO_3和Yb_2O_3为原料,采用传统固相烧结法,在1300 ℃下合成了两种新的化合物12R-Ba_4YbMn_3O_(11.5)和10H-Ba_5YbMn_4O_(14.5).用X射线能谱(EDS)微区成分分析和氧化还原滴定法确定两种化合物的化学式,用选区电子衍射(SAED)以及粉末X射线衍射Rietveld结构精修等手段分析测定了对化合物的晶体结构.12R-Ba_4YbMn_3O_(11.5)的空间群为R-3m,晶胞参数为a=0.578 nm,c=2.850 nm;10H-Ba5 YbMn_4O_(14.5)的空间群为P63/mmc,晶胞参数为a=0.575 nm,C=2.377 nm.

Keyword:

BaYb_xMn_(1-x)O_3 选区电子衍射 稀土 Rietveld结构精修 粉末X射线衍射

Author Community:

  • [ 1 ] [陈澍]北京工业大学
  • [ 2 ] [金头男]北京工业大学
  • [ 3 ] [王辉]北京工业大学
  • [ 4 ] [原效坤]北京工业大学
  • [ 5 ] [王二平]北京工业大学

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Source :

中国稀土学报

ISSN: 1000-4343

Year: 2009

Issue: 6

Volume: 27

Page: 796-801

Cited Count:

WoS CC Cited Count: 0

SCOPUS Cited Count:

ESI Highly Cited Papers on the List: 0 Unfold All

WanFang Cited Count: -1

Chinese Cited Count:

30 Days PV: 11

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