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PredicateObject
rdf:type
lifeskim:mentions
pubmed:issue
5031
pubmed:dateCreated
2010-6-8
pubmed:abstractText
Powder x-ray diffraction at 300 K on equilibrated samples of several nominal compositions chi in Rb(chi)C(60) is reported. In addition to the face-centered cubic (fcc) (chi = 3, superconducting), body-centered tetragonal (chi = 4), and body-centered cubic (bcc) (chi = 6) stoichiometric phases, direct evidence for a dilute fcc doped phase, 0 x c </= 1, and for a substoichiometric bcc phase, chi approximately 5, is presented. In contrast, chi = 3 and chi = 4 appear to be line phases with nearly zero solubility of Rb vacancies and interstitials at 300 K. These results are summarized in a provisional binary phase diagram.
pubmed:language
eng
pubmed:journal
pubmed:status
PubMed-not-MEDLINE
pubmed:month
Oct
pubmed:issn
0036-8075
pubmed:author
pubmed:issnType
Print
pubmed:day
25
pubmed:volume
254
pubmed:owner
NLM
pubmed:authorsComplete
Y
pubmed:pagination
545-8
pubmed:year
1991
pubmed:articleTitle
X-ray diffaction evidence for nonstoichiometric rubidium-c60 intercalation compounds.
pubmed:publicationType
Journal Article