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@ARTICLE{Georgalas:874383,
author = {Georgalas, C. and Samartzis, A. and Biniskos, Nikolaos and
Syskakis, E.},
title = {{E}ffects of {C}r-doping on the {J}ahn-{T}eller, the
orthorhombic to rhombohedral, and the magnetic transitions
in {L}a{M}n1-x{C}rx{O}3 compounds},
journal = {Physica / B},
volume = {586},
issn = {0921-4526},
address = {Amsterdam},
publisher = {Elsevier},
reportid = {FZJ-2020-01403},
pages = {412101 -},
year = {2020},
note = {Bitte Post-Print ergänzen},
abstract = {We report on the electrical resistivity, the specific heat,
and differential thermal analysis of LaMn1-xCrxO3
(x=0.00-0.35) polycrystalline compounds at T>300 K, as well
as on their magnetic properties in the temperature range
from 80 K to 280 K. The transport and the thermal results
show that the isovalent substitution of Mn3+ by Cr3+
decreases the cooperative Jahn-Teller distortion and
consequently affects orbital ordering in the whole
concentration range. It is found that Cr drastically reduces
the entropy change associated to the Jahn-Teller transition
to negligible values for x≥0.20. The orthorhombic to
rhombohedral transition is also displaced to lower
temperatures by Cr-doping, however exhibiting non-zero
associated enthalpy changes for all x. A ferromagnetic
contribution develops in orbitally disordered alloys with
x≥0.20. The paramagnetic to ferromagnetic transition
temperatures show a similar variation upon increasing x as
for the LaMn1-xGaxO3 system, implying a common origin for
the ferromagnetic interaction in both systems.},
cin = {JCNS-2 / JARA-FIT / JCNS-ILL},
ddc = {530},
cid = {I:(DE-Juel1)JCNS-2-20110106 / $I:(DE-82)080009_20140620$ /
I:(DE-Juel1)JCNS-ILL-20110128},
pnm = {144 - Controlling Collective States (POF3-144) / 524 -
Controlling Collective States (POF3-524) / 6212 - Quantum
Condensed Matter: Magnetism, Superconductivity (POF3-621) /
6213 - Materials and Processes for Energy and Transport
Technologies (POF3-621) / 6G4 - Jülich Centre for Neutron
Research (JCNS) (POF3-623)},
pid = {G:(DE-HGF)POF3-144 / G:(DE-HGF)POF3-524 /
G:(DE-HGF)POF3-6212 / G:(DE-HGF)POF3-6213 /
G:(DE-HGF)POF3-6G4},
experiment = {EXP:(DE-Juel1)ILL-IN12-20150421},
typ = {PUB:(DE-HGF)16},
doi = {10.1016/j.physb.2020.412101},
url = {https://juser.fz-juelich.de/record/874383},
}