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@ARTICLE{Bykov:312139,
author = {Bykov, Maxim and Bykova, Elena and Hanfland, Michael and
Liermann, Hanns-Peter and Kremer, Reinhard K. and Glaum,
Robert and Dubrovinsky, Leonid and van Smaalen, Sander},
title = {{H}igh-{P}ressure {P}hase {T}ransformations in
$\mathrm{{T}i{PO}_{4}}$: {A} {R}oute to {P}entacoordinated
{P}hosphorus},
journal = {Angewandte Chemie / International edition},
volume = {55},
number = {48},
issn = {1433-7851},
address = {Weinheim},
publisher = {Wiley-VCH},
reportid = {PUBDB-2016-05328},
pages = {15053 - 15057},
year = {2016},
note = {(c) Wiley-VCH Verlag GmbH $\&$ Co. Post referee full text
in progress (embargo 1 year from 31 OCT 2016).},
abstract = {Titanium(III) phosphate, TiPO$_4$ , is a typical example
of an oxyphosphorus compound containing covalent P−O
bonds. Single-crystal X-ray diffraction studies of TiPO$_4$
reveal complex and unexpected structural and chemical
behavior as a function of pressure at room temperature. A
series of phase transitions lead to the high-pressure
phase V, which is stable above 46 GPa and features an
unusual oxygen coordination of the phosphorus atoms.
TiPO$_4$-V is the first inorganic phosphorus-containing
compound that exhibits fivefold coordination with oxygen. Up
to the highest studied pressure of 56 GPa, TiPO$_4$-V
coexists with TiPO$_4$-IV, which is less dense and might be
kinetically stabilized. Above a pressure of about 6 GPa,
TiPO$_4$-II is found to be an incommensurately modulated
phase whereas a lock-in transition at about 7 GPa leads to
TiPO$_4$-III with a fourfold superstructure compared to the
structure of TiPO$_4$-I at ambient conditions. TiPO$_4$-II
and TiPO$_4$-III are similar to the corresponding
low-temperature incommensurate and commensurate magnetic
phases and reflect the strong pressure dependence of the
spin-Peierls interactions.},
cin = {DOOR / FS-PE},
ddc = {540},
cid = {I:(DE-H253)HAS-User-20120731 / I:(DE-H253)FS-PE-20120731},
pnm = {6211 - Extreme States of Matter: From Cold Ions to Hot
Plasmas (POF3-621) / 6G3 - PETRA III (POF3-622)},
pid = {G:(DE-HGF)POF3-6211 / G:(DE-HGF)POF3-6G3},
experiment = {EXP:(DE-H253)P-P02.2-20150101},
typ = {PUB:(DE-HGF)16},
UT = {WOS:000388258000028},
pubmed = {pmid:27798821},
doi = {10.1002/anie.201608530},
url = {https://bib-pubdb1.desy.de/record/312139},
}