Synthesis and transport properties of SrTiO3-xNy/SrTiO3-delta layered structures produced by microwave-induced plasma nitridation

A. Shkabko; M. H. Aguirre; I. Marozau; T. Lippert; Y-H Chou; R. E. Douthwaite; A. Weidenkaff

doi:10.1088/0022-3727/42/14/145202

Synthesis and transport properties of SrTiO3-xNy/SrTiO3-delta layered structures produced by microwave-induced plasma nitridation

A. Shkabko, M. H. Aguirre, I. Marozau, T. Lippert, Y-H Chou, R. E. Douthwaite, A. Weidenkaff

Chemistry

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

Abstract

SrTiO3-xNy/SrTiO3-delta layered structures were synthesized from single crystals of SrTiO3 (1 0 0) by ammonolysis using a microwave-induced plasma (MIP). Samples prepared using a low ammonia flow rate (50-100 mL min(-1)) gave nanocrystals of TiN at the surface, while the samples prepared in an ammonia flow in the range 125-175 mL min(-1) did not show impurity phases. Electrical resistance measurements of SrTiO3-xNy/SrTiO3-delta single crystals show metallic-like behaviour in the temperature range 2-300 K, with a residual resistance ratio R(300 K)/R(4.2 K) of ca 50. The Hall mobility follows the power law mu(H) proportional to T-2.3 in the temperature range 150-300 K, which is attributed to n-type charge carriers.

Original language	English
Article number	145202
Pages (from-to)	-
Number of pages	8
Journal	Journal of Physics D: Applied Physics
Volume	42
Issue number	14
DOIs	https://doi.org/10.1088/0022-3727/42/14/145202
Publication status	Published - 21 Jul 2009

Keywords

RAY PHOTOELECTRON-SPECTROSCOPY
PULSED-LASER DEPOSITION
SRTIO3 THIN-FILMS
STRONTIUM-TITANATE
DOPED SRTIO3
ELECTRONIC-STRUCTURE
SURFACE
CHEMISTRY
NITROGEN
PEROVSKITES

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title = "Synthesis and transport properties of SrTiO3-xNy/SrTiO3-delta layered structures produced by microwave-induced plasma nitridation",

abstract = "SrTiO3-xNy/SrTiO3-delta layered structures were synthesized from single crystals of SrTiO3 (1 0 0) by ammonolysis using a microwave-induced plasma (MIP). Samples prepared using a low ammonia flow rate (50-100 mL min(-1)) gave nanocrystals of TiN at the surface, while the samples prepared in an ammonia flow in the range 125-175 mL min(-1) did not show impurity phases. Electrical resistance measurements of SrTiO3-xNy/SrTiO3-delta single crystals show metallic-like behaviour in the temperature range 2-300 K, with a residual resistance ratio R(300 K)/R(4.2 K) of ca 50. The Hall mobility follows the power law mu(H) proportional to T-2.3 in the temperature range 150-300 K, which is attributed to n-type charge carriers.",

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author = "A. Shkabko and Aguirre, {M. H.} and I. Marozau and T. Lippert and Y-H Chou and Douthwaite, {R. E.} and A. Weidenkaff",

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T1 - Synthesis and transport properties of SrTiO3-xNy/SrTiO3-delta layered structures produced by microwave-induced plasma nitridation

AU - Shkabko, A.

AU - Aguirre, M. H.

AU - Marozau, I.

AU - Lippert, T.

AU - Chou, Y-H

AU - Douthwaite, R. E.

AU - Weidenkaff, A.

PY - 2009/7/21

Y1 - 2009/7/21

N2 - SrTiO3-xNy/SrTiO3-delta layered structures were synthesized from single crystals of SrTiO3 (1 0 0) by ammonolysis using a microwave-induced plasma (MIP). Samples prepared using a low ammonia flow rate (50-100 mL min(-1)) gave nanocrystals of TiN at the surface, while the samples prepared in an ammonia flow in the range 125-175 mL min(-1) did not show impurity phases. Electrical resistance measurements of SrTiO3-xNy/SrTiO3-delta single crystals show metallic-like behaviour in the temperature range 2-300 K, with a residual resistance ratio R(300 K)/R(4.2 K) of ca 50. The Hall mobility follows the power law mu(H) proportional to T-2.3 in the temperature range 150-300 K, which is attributed to n-type charge carriers.

AB - SrTiO3-xNy/SrTiO3-delta layered structures were synthesized from single crystals of SrTiO3 (1 0 0) by ammonolysis using a microwave-induced plasma (MIP). Samples prepared using a low ammonia flow rate (50-100 mL min(-1)) gave nanocrystals of TiN at the surface, while the samples prepared in an ammonia flow in the range 125-175 mL min(-1) did not show impurity phases. Electrical resistance measurements of SrTiO3-xNy/SrTiO3-delta single crystals show metallic-like behaviour in the temperature range 2-300 K, with a residual resistance ratio R(300 K)/R(4.2 K) of ca 50. The Hall mobility follows the power law mu(H) proportional to T-2.3 in the temperature range 150-300 K, which is attributed to n-type charge carriers.

KW - RAY PHOTOELECTRON-SPECTROSCOPY

KW - PULSED-LASER DEPOSITION

KW - SRTIO3 THIN-FILMS

KW - STRONTIUM-TITANATE

KW - DOPED SRTIO3

KW - ELECTRONIC-STRUCTURE

KW - SURFACE

KW - CHEMISTRY

KW - NITROGEN

KW - PEROVSKITES

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U2 - 10.1088/0022-3727/42/14/145202

DO - 10.1088/0022-3727/42/14/145202

M3 - Article

SN - 1361-6463

VL - 42

SP - -

JO - Journal of Physics D: Applied Physics

JF - Journal of Physics D: Applied Physics

IS - 14

M1 - 145202

ER -

Synthesis and transport properties of SrTiO3-xNy/SrTiO3-delta layered structures produced by microwave-induced plasma nitridation

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Keywords

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