1998
DOI: 10.1016/s0038-1098(97)10205-8
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Influence of oxygen stoichiometry on Raman phonon spectroscopy, lattice parameters and physical properties of La0.7Ca0.3MnO3 thin films

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Cited by 38 publications
(28 citation statements)
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“…This peak is observed in both LCMO1 and LCMO2 films. According to previous reports on bulk and film LCMO samples, this high frequency mode is unassigned and may be related to the Ca doping, which originates from impurity 38,39,51 . There are mainly two models in previous reports.…”
Section: B Effect Of the Lattice-substrate Mismatchmentioning
confidence: 88%
“…This peak is observed in both LCMO1 and LCMO2 films. According to previous reports on bulk and film LCMO samples, this high frequency mode is unassigned and may be related to the Ca doping, which originates from impurity 38,39,51 . There are mainly two models in previous reports.…”
Section: B Effect Of the Lattice-substrate Mismatchmentioning
confidence: 88%
“…During the annealing process, part of the static defects in the sample such as vacancies and interstitials can be removed. In addition, the annealing process can also change the amount of oxygen in the sample [9][10][11][12] . The sample is slightly oxygen deficient before the annealing process, and oxygen is incorporated during annealing.…”
Section: Xafs Data Analysis and Discussionmentioning
confidence: 99%
“…The fully annealed sample (1200 K) is expected to be fully stoichiometric ( similar to the corresponding powder sample). It is well documented that samples without sufficient oxygen can have higher resistivities, a lower resistance peak temperature, a lower T c and a lower saturated magnetization [9][10][11][12] . We have the same trends in our experiments.…”
Section: Xafs Data Analysis and Discussionmentioning
confidence: 99%
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“…It is well established that a straight correlation exists between poor magnetic homogeneity and the oxygen stoichiometry [4,12].…”
Section: Introductionmentioning
confidence: 99%