2024-03-19T13:45:26Zhttp://digital.csic.es/dspace-oai/requestoai:digital.csic.es:10261/197862016-02-16T06:09:14Zcom_10261_31com_10261_3col_10261_284
DIGITAL.CSIC
author
Herrero Martín, Javier
author
García, Joaquín
author
Subías, G.
author
Blasco, Javier
author
Sánchez, María Concepción
author
Stanescu, Stefan
2009-12-22T12:05:48Z
2009-12-22T12:05:48Z
2006-06
Physical Review - Section B - Condensed Matter 73(22): 224407.1-224407.7 (2006)
1539-3755
http://hdl.handle.net/10261/19786
10.1103/PhysRevB.73.224407
We have studied the low-temperature ordered phase of Nd0.5Sr0.5MnO3 by resonant soft x-ray scattering at the Mn L2,3 edges. Strong resonances were observed at (0 0) and ( 0 0) reflections, which are resolved in momentum space. Azimuthal scans reveal a periodicity for both resonances, the minimum intensity being almost zero. The two reflections show a very different energy dependence which extends in the whole energy region of the Mn L-edge. The (0 0) reflection originates from the anisotropy induced on the d-symmetry projected density of states owing to the local tetragonal distortion at one of the two crystallographic inequivalent Mn sites (the so-called Mn3+ ions in the conventional ionic description). This is similar to the resonance observed at the Mn K edge. We propose that the ( 0 0) reflection, which has not its counterpart either on the Mn K-edge resonant scattering or on the magnetic scattering, is originated by anisotropy of the d-symmetry projected density of the so-called Mn4+ sublattice. In this way, the latter reflection could denote a pure orbital ordering in this sublattice.
eng
openAccess
Neodymium compounds
Strontium compounds
X-ray scattering
Colossal magnetoresistance
Double stripe ordering in Nd0.5Sr0.5MnO3 determined by resonant soft x-ray scattering
artículo
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
URL
https://digital.csic.es/bitstream/10261/19786/1/GetPDFServlet.pdf
File
MD5
12eddd4a86ae7897954ee8255a3f65fb
471620
application/pdf
GetPDFServlet.pdf
URL
https://digital.csic.es/bitstream/10261/19786/4/GetPDFServlet.pdf.txt
File
MD5
82ce735d995fdd8dfc1a2f4ed905a2bb
35048
text/plain
GetPDFServlet.pdf.txt