The equilibrium orientation relationship between Pt and SrTiO3 and its implication on Pt films deposited by physical vapor phase deposition

Anna Altberg; Galit Atiya; Vissarion Mikhelashvili; Gadi Eisenstein; Wayne D. Kaplan

doi:https://doi.org/10.1007/s10853-013-7941-1

The equilibrium orientation relationship between Pt and SrTiO₃ and its implication on Pt films deposited by physical vapor phase deposition

Anna Altberg, Galit Atiya, Vissarion Mikhelashvili, Gadi Eisenstein, Wayne D. Kaplan

Technion - Israel Institute of Technology

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

Abstract

The equilibrium orientation of Pt in contact with (100)-SrTiO₃, at 1050°C and in an Ar/2 % O₂ environment, was determined by solid-state dewetting of continuous Pt films on single crystal SrTiO₃ substrates. Given the similar lattice parameters between Pt and SrTiO ₃, a simple cube-on-cube orientation relationship was expected to form at equilibrium. However, only a preferred orientation of Pt {111} parallel to the SrTiO₃ (100) surface formed, without a low-index orientation relationship. It was found that reconstruction of the SrTiO₃ surface (a complexion) was responsible for the Pt particle texture. The equilibrium crystal shape of the Pt particles was analyzed and it was found to contain the following facets: {111}, {100}, {110}, and {113}.

Original language	English
Pages (from-to)	3917-3927
Number of pages	11
Journal	Journal of Materials Science
Volume	49
Issue number	11
DOIs	https://doi.org/10.1007/s10853-013-7941-1
State	Published - Jun 2014

All Science Journal Classification (ASJC) codes

Materials Science(all)
Mechanics of Materials
Mechanical Engineering

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https://doi.org/10.1007/s10853-013-7941-1

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title = "The equilibrium orientation relationship between Pt and SrTiO3 and its implication on Pt films deposited by physical vapor phase deposition",

abstract = "The equilibrium orientation of Pt in contact with (100)-SrTiO3, at 1050°C and in an Ar/2 % O2 environment, was determined by solid-state dewetting of continuous Pt films on single crystal SrTiO3 substrates. Given the similar lattice parameters between Pt and SrTiO 3, a simple cube-on-cube orientation relationship was expected to form at equilibrium. However, only a preferred orientation of Pt {111} parallel to the SrTiO3 (100) surface formed, without a low-index orientation relationship. It was found that reconstruction of the SrTiO3 surface (a complexion) was responsible for the Pt particle texture. The equilibrium crystal shape of the Pt particles was analyzed and it was found to contain the following facets: {111}, {100}, {110}, and {113}.",

author = "Anna Altberg and Galit Atiya and Vissarion Mikhelashvili and Gadi Eisenstein and Kaplan, {Wayne D.}",

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T1 - The equilibrium orientation relationship between Pt and SrTiO3 and its implication on Pt films deposited by physical vapor phase deposition

AU - Altberg, Anna

AU - Atiya, Galit

AU - Mikhelashvili, Vissarion

AU - Eisenstein, Gadi

AU - Kaplan, Wayne D.

PY - 2014/6

Y1 - 2014/6

N2 - The equilibrium orientation of Pt in contact with (100)-SrTiO3, at 1050°C and in an Ar/2 % O2 environment, was determined by solid-state dewetting of continuous Pt films on single crystal SrTiO3 substrates. Given the similar lattice parameters between Pt and SrTiO 3, a simple cube-on-cube orientation relationship was expected to form at equilibrium. However, only a preferred orientation of Pt {111} parallel to the SrTiO3 (100) surface formed, without a low-index orientation relationship. It was found that reconstruction of the SrTiO3 surface (a complexion) was responsible for the Pt particle texture. The equilibrium crystal shape of the Pt particles was analyzed and it was found to contain the following facets: {111}, {100}, {110}, and {113}.

AB - The equilibrium orientation of Pt in contact with (100)-SrTiO3, at 1050°C and in an Ar/2 % O2 environment, was determined by solid-state dewetting of continuous Pt films on single crystal SrTiO3 substrates. Given the similar lattice parameters between Pt and SrTiO 3, a simple cube-on-cube orientation relationship was expected to form at equilibrium. However, only a preferred orientation of Pt {111} parallel to the SrTiO3 (100) surface formed, without a low-index orientation relationship. It was found that reconstruction of the SrTiO3 surface (a complexion) was responsible for the Pt particle texture. The equilibrium crystal shape of the Pt particles was analyzed and it was found to contain the following facets: {111}, {100}, {110}, and {113}.

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DO - https://doi.org/10.1007/s10853-013-7941-1

M3 - مقالة

SN - 0022-2461

VL - 49

SP - 3917

EP - 3927

JO - Journal of Materials Science

JF - Journal of Materials Science

IS - 11

ER -

The equilibrium orientation relationship between Pt and SrTiO₃ and its implication on Pt films deposited by physical vapor phase deposition

Abstract

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