Charge Transfer at La1-xSrxMnO3 / SrTiO3 Interfaces Probed by Spectroscopic Imaging in an Aberration-Corrected STEM

Mundy, J; Fitting-Kourkoutis, L; Hikita, Yasuyuki; Hidaka, Tomomi; Hwang, H. Y.; Muller, DA

doi:10.1017/s1431927610060332

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B Mn L 23 Edge1

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2016

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“…Similar behaviour has also been found by Valencia et al 32 and electron energy loss spectroscopy identified this feature to be an interface effect. 33,34 In our nanostructured sample, the LSMO under the P À regions is only 1-2 nm thick and therefore both interfaces, PTO/LSMO and LSMO/STO, contribute to the Mn absorption edge structure.…”

Section: B Mn L 23 Edgementioning

confidence: 97%

Interface-mediated ferroelectric patterning and Mn valency in nano-structured PbTiO3/La0.7Sr0.3MnO3

Krug

Doğanay

Nickel

et al. 2016

Journal of Applied Physics

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We employed a multitechnique approach using piezo-force response microscopy and photoemission microscopy to investigate a self-organizing polarization domain pattern in PbTiO3/La0.7Sr0.3MnO3 (PTO/LSMO) nanostructures. The polarization is correlated with the nanostructure morphology as well as with the thickness and Mn valence of the LSMO template layer. On the LSMO dots, the PTO is upwards polarized, whereas outside the nanodots, the polarization appears both strain and interface roughness dependent. The results suggest that the electronic structure and strain of the PTO/LSMO interface contribute to determining the internal bias of the ferroelectric layer.

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Section: B Mn L 23 Edgementioning

confidence: 97%

Interface-mediated ferroelectric patterning and Mn valency in nano-structured PbTiO3/La0.7Sr0.3MnO3

Krug

Doğanay

Nickel

et al. 2016

Journal of Applied Physics

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Charge Transfer at La_1-xSr_xMnO₃ / SrTiO₃ Interfaces Probed by Spectroscopic Imaging in an Aberration-Corrected STEM

Abstract: Extended abstract of a paper presented at Microscopy and Microanalysis 2010 in Portland, Oregon, USA, August 1 – August 5, 2010.

Cited by 1 publication

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Interface-mediated ferroelectric patterning and Mn valency in nano-structured PbTiO3/La0.7Sr0.3MnO3

Interface-mediated ferroelectric patterning and Mn valency in nano-structured PbTiO3/La0.7Sr0.3MnO3

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