Growth of SrTiO3/(Sr1-x,Lax)TiO 3 superlattices and lattice strain development

Juho Kim; Leejun Kim; Dongguen Jung; Jaichan Lee

doi:10.1080/00150190600697822

Growth of SrTiO₃/(Sr_1-x,La_x)TiO ₃ superlattices and lattice strain development

Juho Kim
, Leejun Kim
, Dongguen Jung
, Jaichan Lee

Department of Advanced Materials Science and Engineering

Sungkyunkwan University

Research output: Contribution to journal › Article › peer-review

4 Scopus citations

Abstract

The SrTiO 3 /(Sr 1-x ,La x )TiO 3 (STO/SLTO) superlattices have been grown on stepped-SrTiO 3 substrate using laser-molecular beam epitaxy. The layer-by-layer growth was in-situ monitored by the intensity oscillation of specular spot in reflection high energy electron diffraction and also confirmed by atomic force microscopy image. A wide range of the lattice distortion of La modified SrTiO 3 (SLTO) layer was obtained in the STO/SLTO superlattices by varying the stacking sequence of STO and SLTO layers. The lattice strain of the SLTO layer was in the range of 1.008 to 1.021. We have fabricated successfully STO/SLTO superlattices, in which La defect is distributed in a regular manner of one dimension and the La containing layer experiences the wide range of the lattice distortion.

Original language	English
Pages (from-to)	255-261
Number of pages	7
Journal	Ferroelectrics
Volume	336
DOIs	https://doi.org/10.1080/00150190600697822
State	Published - 1 Jul 2006

Keywords

Lattice strain
Layer-by-layer growth
SrTiO/(Sr,La)TiO
Superlattices

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10.1080/00150190600697822

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title = "Growth of SrTiO3/(Sr1-x,Lax)TiO 3 superlattices and lattice strain development",

abstract = "The SrTiO 3 /(Sr 1-x ,La x )TiO 3 (STO/SLTO) superlattices have been grown on stepped-SrTiO 3 substrate using laser-molecular beam epitaxy. The layer-by-layer growth was in-situ monitored by the intensity oscillation of specular spot in reflection high energy electron diffraction and also confirmed by atomic force microscopy image. A wide range of the lattice distortion of La modified SrTiO 3 (SLTO) layer was obtained in the STO/SLTO superlattices by varying the stacking sequence of STO and SLTO layers. The lattice strain of the SLTO layer was in the range of 1.008 to 1.021. We have fabricated successfully STO/SLTO superlattices, in which La defect is distributed in a regular manner of one dimension and the La containing layer experiences the wide range of the lattice distortion.",

keywords = "Lattice strain, Layer-by-layer growth, SrTiO/(Sr,La)TiO, Superlattices",

author = "Juho Kim and Leejun Kim and Dongguen Jung and Jaichan Lee",

year = "2006",

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doi = "10.1080/00150190600697822",

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journal = "Ferroelectrics",

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TY - JOUR

T1 - Growth of SrTiO3/(Sr1-x,Lax)TiO 3 superlattices and lattice strain development

AU - Kim, Juho

AU - Kim, Leejun

AU - Jung, Dongguen

AU - Lee, Jaichan

PY - 2006/7/1

Y1 - 2006/7/1

N2 - The SrTiO 3 /(Sr 1-x ,La x )TiO 3 (STO/SLTO) superlattices have been grown on stepped-SrTiO 3 substrate using laser-molecular beam epitaxy. The layer-by-layer growth was in-situ monitored by the intensity oscillation of specular spot in reflection high energy electron diffraction and also confirmed by atomic force microscopy image. A wide range of the lattice distortion of La modified SrTiO 3 (SLTO) layer was obtained in the STO/SLTO superlattices by varying the stacking sequence of STO and SLTO layers. The lattice strain of the SLTO layer was in the range of 1.008 to 1.021. We have fabricated successfully STO/SLTO superlattices, in which La defect is distributed in a regular manner of one dimension and the La containing layer experiences the wide range of the lattice distortion.

AB - The SrTiO 3 /(Sr 1-x ,La x )TiO 3 (STO/SLTO) superlattices have been grown on stepped-SrTiO 3 substrate using laser-molecular beam epitaxy. The layer-by-layer growth was in-situ monitored by the intensity oscillation of specular spot in reflection high energy electron diffraction and also confirmed by atomic force microscopy image. A wide range of the lattice distortion of La modified SrTiO 3 (SLTO) layer was obtained in the STO/SLTO superlattices by varying the stacking sequence of STO and SLTO layers. The lattice strain of the SLTO layer was in the range of 1.008 to 1.021. We have fabricated successfully STO/SLTO superlattices, in which La defect is distributed in a regular manner of one dimension and the La containing layer experiences the wide range of the lattice distortion.

KW - Lattice strain

KW - Layer-by-layer growth

KW - SrTiO/(Sr,La)TiO

KW - Superlattices

UR - https://www.scopus.com/pages/publications/33746844572

U2 - 10.1080/00150190600697822

DO - 10.1080/00150190600697822

M3 - Article

AN - SCOPUS:33746844572

SN - 0015-0193

VL - 336

SP - 255

EP - 261

JO - Ferroelectrics

JF - Ferroelectrics

ER -

Growth of SrTiO₃/(Sr_1-x,La_x)TiO ₃ superlattices and lattice strain development

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Keywords

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