Calcium Insertion in the Na4Mn9O18 Tunne
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N. Floros; C. Michel; M. Hervieu; B. Raveau
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Article
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2001
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Elsevier Science
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English
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A new mixed valent manganese oxide, Na 1.1 Ca 1.8 Mn 9 O 18 , with a tunnel structure closely related to that of Na 4 Mn 9 O 18 has been synthesized. It crystallizes in the Pnma space group with a โซุโฌ 26.418(2) A s , b โซุโฌ 5.6468(4) A s , and c โซุโฌ 9.1384(8) A s . Its structural study, combining X-r