TY - JOUR

T1 - Reconstruction phase transition c(4×4) – (1×3) on the (001)InSb surface

AU - Bakarov, A.

AU - Galitsyn, Yu

AU - Mansurov, V.

AU - Zhuravlev, K.

N1 - Publisher Copyright: © 2016 Elsevier B.V.

PY - 2017/1/1

Y1 - 2017/1/1

N2 - The (001) surface of InSb is the most common growth surface, forming a number of surface reconstructions depending on the both ratio of group III and V species presented on surface and substrate temperature. In the present work surface structures were studied using reflection high energy electron diffraction (RHEED). The c(4×4)↔(1×3) reconstruction transition was investigated in details. The intensity of fractional spots of c(4×4) structure was measured during the variation of antimony flux at different substrate temperatures. At the substrate temperatures of T<400 °C, hysteresis loop of fractional spot intensity appeared during the forward and reverse Sb flux variation, testifying that c(4×4)↔(1×3) transition is discontinuous first order phase transition. At the temperatures T>400 °C, hysteresis loop was not observed, that corresponds to continuous phase transition. It was shown that phase transition is analogous to the van der Waals transition. We developed a model to describe c(4×4)↔(1×3) transition in the framework of the lattice gas approximation. This model takes into account the complex nature of indirect interactions that result in the effective attraction between lattice gas cells forming surface reconstruction. The calculated surface state isotherms are in a good agreement with the experimental isotherms.

AB - The (001) surface of InSb is the most common growth surface, forming a number of surface reconstructions depending on the both ratio of group III and V species presented on surface and substrate temperature. In the present work surface structures were studied using reflection high energy electron diffraction (RHEED). The c(4×4)↔(1×3) reconstruction transition was investigated in details. The intensity of fractional spots of c(4×4) structure was measured during the variation of antimony flux at different substrate temperatures. At the substrate temperatures of T<400 °C, hysteresis loop of fractional spot intensity appeared during the forward and reverse Sb flux variation, testifying that c(4×4)↔(1×3) transition is discontinuous first order phase transition. At the temperatures T>400 °C, hysteresis loop was not observed, that corresponds to continuous phase transition. It was shown that phase transition is analogous to the van der Waals transition. We developed a model to describe c(4×4)↔(1×3) transition in the framework of the lattice gas approximation. This model takes into account the complex nature of indirect interactions that result in the effective attraction between lattice gas cells forming surface reconstruction. The calculated surface state isotherms are in a good agreement with the experimental isotherms.

KW - A1. Phase transition

KW - A1. Reflection high energy electron diffraction

KW - A1. Surface structure

KW - B1. InSb

KW - INSB(001)

KW - INSB(100)

KW - MOLECULAR-BEAM EPITAXY

KW - RHEED

KW - Surface structure

KW - SB

KW - Reflection high energy electron diffraction

KW - InSb

KW - INSB

KW - GROWTH

KW - Phase transition

UR - http://www.scopus.com/inward/record.url?scp=84964653578&partnerID=8YFLogxK

U2 - 10.1016/j.jcrysgro.2016.04.051

DO - 10.1016/j.jcrysgro.2016.04.051

M3 - Article

AN - SCOPUS:84964653578

VL - 457

SP - 207

EP - 210

JO - Journal of Crystal Growth

JF - Journal of Crystal Growth

SN - 0022-0248

ER -