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(Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 1999)
A mixed-valence state, formally denoted as Fe 2 . 5 + , is observed in the 300 K Mössbauer spectra of the most reduced samples of SmBaFe 2 O 5 + w . Upon cooling below the Verwey-type transition temperature (TV≈ 200 K ) ...
(Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 1994)
The results of polarized micro-Raman scattering experiments on YBa 2 Fe 3 O 8 + δ with δ=0.1 are reported. We identified seven out of the total ten by symmetry Raman-allowed phonons at 134 cm − 1 ( A 1 g ), 148 cm − 1 ...
(Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 1988)
© 1988 Acta Chemica Scandinavica
(Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 1988)
© 1988 Acta Chemica Scandinavica
(Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 1988)
© 1988 Acta Chemica Scandinavica
(Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 1988)
This research was originally published in Zeitschrift für Kristallographie - New Crystal Structures. © 1988 De Gruyter
(Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 1987)
© 1987 Acta Chemica Scandinavica
(Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 1992)
© 1992 Acta Chemica Scandinavica
(Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 1993)
© 1993 Acta Chemica Scandinavica
(Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 1994)
The nuclear and magnetic structures of ( Y 1 − x Ca x ) Ba 2 Fe 3 O 8 + δ with x=0.05, 0.10, and 0.20 have been investigated by neutron-powder diffraction at room temperature. The compound crystallizes with the symmetry ...
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