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@ARTICLE{Stephens:51542,
author = {Stephens, P. and Friedt, O. and Marshall, W. G. and
Schmidt, W. and Nakamura, F. and Nakatsuji, S. and Maeno, Y.
and Lengssdorf, R. and Abd-Elmeguid, M. M. and Braden, M.},
title = {{H}igh-pressure diffraction studies on {C}a2{R}u{O}4},
journal = {Physical review / B},
volume = {72},
number = {9},
issn = {1098-0121},
address = {College Park, Md.},
publisher = {APS},
reportid = {PreJuSER-51542},
pages = {094104},
year = {2005},
note = {Record converted from VDB: 12.11.2012},
abstract = {We studied the crystal and magnetic structure of Ca2RuO4 as
function of pressure with different diffraction techniques.
The first-order phase transition observed at a moderate
pressure of P=0.5 GPa between the insulating and the
metallic high-pressure phase is characterized by a broad
region of phase coexistence. The following structural
changes are observed as function of pressure: (a) A
discontinuous change of both the tilt and rotational angle
of the RuO6-octahedra at this transition, (b) a gradual
decrease of the tilt angle in the high-pressure phase (P>0.5
GPa), and (c) the disappearance of the tilt above 5.5 GPa
leading to a higher symmetry structure. The magnetism was
studied by single-crystal neutron diffraction: The
ferromagnetic component of the high-pressure phase and a
rearrangement of antiferromagnetic order in the low-pressure
phase have been observed.},
keywords = {J (WoSType)},
cin = {IFF-INS},
ddc = {530},
cid = {I:(DE-Juel1)VDB341},
pnm = {Betrieb und Weiterentwicklung der Neutronenquelle FRJ- 2 /
Kondensierte Materie},
pid = {G:(DE-Juel1)FUEK245 / G:(DE-Juel1)FUEK242},
shelfmark = {Physics, Condensed Matter},
typ = {PUB:(DE-HGF)16},
UT = {WOS:000232228500033},
doi = {10.1103/PhysRevB.72.094104},
url = {https://juser.fz-juelich.de/record/51542},
}