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Structural and magnetic properties of topotactically reduced YSr2Mn2O7-x (0 < x < 1.5)

Abstract:

Reaction of the n = 2 Ruddlesden-Popper phase YSr2Mn 2O7 with NaH at 225 °C yields the topotactically reduced phase YS2Mn2O5.43(3) (a = 3.62043(4) Å, c = 22.3570(3) A). Combination of this reduced phase with the stoichiometric starting material at 400 °C yields intermediate phases: YSr2-Mn2O6.54(3) (a = 3.80900(7) Å, c = 20.2691(5) Å) and YSr2Mn2O5.96(3) (a = 3.81071(7) Å, c = 20.5238-(4) Å). The variation in the anion vacancy distribution of these reduced phases as a function of stoichiometr...

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Publication status:
Published

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Publisher copy:
10.1021/cm051659c

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Institution:
University of Oxford
Department:
Oxford, MPLS, Chemistry, Inorganic Chemistry
Journal:
CHEMISTRY OF MATERIALS
Volume:
18
Issue:
2
Pages:
321-327
Publication date:
2006-01-24
DOI:
EISSN:
1520-5002
ISSN:
0897-4756
URN:
uuid:8ad472db-75f8-4d04-9e4f-9eb8e566c6e1
Source identifiers:
39814
Local pid:
pubs:39814
Language:
English

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