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@ARTICLE{Rossler:20186,
author = {Rossler, S. and Nair, H.S. and Rossler, U.K. and Kumar,
C.M.N. and Elizabeth, S. and Wirth, S.},
title = {{F}erromagnetic transition and specific heat of
{P}r(0.6){S}r(0.4){M}n{O}(3)},
journal = {Physical review / B},
volume = {84},
number = {18},
issn = {1098-0121},
address = {College Park, Md.},
publisher = {APS},
reportid = {PreJuSER-20186},
pages = {184422},
year = {2011},
note = {S.R. is thankful to A. Salazar for useful discussions.
H.S.N. is grateful to the MPI CPfS for financial support and
hospitality in Dresden. The authors thank the Department of
Science and Technology, India for financial supports. This
work is supported by DAAD-DST exchange program (Pojekt ID
50726385).},
abstract = {The critical properties of orthorhombic Pr0.6Sr0.4MnO3
single crystals were investigated by a series of static
magnetization measurements along the three different
crystallographic axes as well as by specific heat
measurements. A careful range-of-fitting-analysis of the
magnetization and susceptibility data obtained from the
modified Arrott plots shows that Pr0.6Sr0.4MnO3 has a very
narrow critical regime. Nevertheless, the system belongs to
the three-dimensional (3D) Heisenberg universality class
with short-range exchange. The critical exponents obey Widom
scaling and are in excellent agreement with the single
scaling equation of state M(H,epsilon) = vertical bar
epsilon vertical bar(beta) f(+/-)(H/vertical bar epsilon
vertical bar((beta+gamma)); with f(+) for T > T-c and f(-)
for T < T-c. A detailed analysis of the specific heat that
account for all relevant contributions allows us to extract
and analyze the contribution related to the magnetic phase
transition. The specific heat indicates the presence of a
linear electronic term at low temperatures and a prominent
contribution from crystal field excitations of Pr. A
comparison with data from literature for PrMnO3 shows that a
Pr-Mn magnetic exchange is responsible for a sizable shift
in the lowest lying excitation.},
keywords = {J (WoSType)},
cin = {PGI-4 / JCNS (München) ; Jülich Centre for Neutron
Science JCNS (München) ; JCNS-FRM-II / JCNS-2},
ddc = {530},
cid = {I:(DE-Juel1)PGI-4-20110106 /
I:(DE-Juel1)JCNS-FRM-II-20110218 /
I:(DE-Juel1)JCNS-2-20110106},
pnm = {Grundlagen für zukünftige Informationstechnologien /
Großgeräte für die Forschung mit Photonen, Neutronen und
Ionen (PNI)},
pid = {G:(DE-Juel1)FUEK412 / G:(DE-Juel1)FUEK415},
experiment = {EXP:(DE-MLZ)NOSPEC-20140101},
shelfmark = {Physics, Condensed Matter},
typ = {PUB:(DE-HGF)16},
UT = {WOS:000297101700010},
doi = {10.1103/PhysRevB.84.184422},
url = {https://juser.fz-juelich.de/record/20186},
}