Advances in the theory of III–V nanowire growth dynamics

Peter Krogstrup; Henrik Ingerslev Jørgensen; Erik Johnson; Morten Hannibal Madsen; Claus Birger Sørensen; A.F. i Morral; Martin Aagesen; Jesper Nygård; Frank Glas

doi:10.1088/0022-3727/46/31/313001

Advances in the theory of III–V nanowire growth dynamics

Peter Krogstrup, Henrik Ingerslev Jørgensen, Erik Johnson, Morten Hannibal Madsen, Claus Birger Sørensen, A.F. i Morral, Martin Aagesen, Jesper Nygård, Frank Glas

89 Citations (Scopus)

Abstract

Nanowire (NW) crystal growth via the vapour-liquid-solid mechanism is a complex dynamic process involving interactions between many atoms of various thermodynamic states. With increasing speed over the last few decades many works have reported on various aspects of the growth mechanisms, both experimentally and theoretically. We will here propose a general continuum formalism for growth kinetics based on thermodynamic parameters and transition state kinetics. We use the formalism together with key elements of recent research to present a more overall treatment of III-V NW growth, which can serve as a basis to model and understand the dynamical mechanisms in terms of the basic control parameters, temperature and pressures/beam fluxes. Self-catalysed GaAs NW growth on Si substrates by molecular beam epitaxy is used as a model system.

Original language	English
Article number	313001
Journal	Journal of Physics D: Applied Physics
Volume	46
Issue number	31
ISSN	0022-3727
DOIs	https://doi.org/10.1088/0022-3727/46/31/313001
Publication status	Published - 7 Aug 2013

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T1 - Advances in the theory of III–V nanowire growth dynamics

AU - Krogstrup, Peter

AU - Jørgensen, Henrik Ingerslev

AU - Johnson, Erik

AU - Madsen, Morten Hannibal

AU - Sørensen, Claus Birger

AU - i Morral, A.F.

AU - Aagesen, Martin

AU - Nygård, Jesper

AU - Glas, Frank

PY - 2013/8/7

Y1 - 2013/8/7

N2 - Nanowire (NW) crystal growth via the vapour-liquid-solid mechanism is a complex dynamic process involving interactions between many atoms of various thermodynamic states. With increasing speed over the last few decades many works have reported on various aspects of the growth mechanisms, both experimentally and theoretically. We will here propose a general continuum formalism for growth kinetics based on thermodynamic parameters and transition state kinetics. We use the formalism together with key elements of recent research to present a more overall treatment of III-V NW growth, which can serve as a basis to model and understand the dynamical mechanisms in terms of the basic control parameters, temperature and pressures/beam fluxes. Self-catalysed GaAs NW growth on Si substrates by molecular beam epitaxy is used as a model system.

AB - Nanowire (NW) crystal growth via the vapour-liquid-solid mechanism is a complex dynamic process involving interactions between many atoms of various thermodynamic states. With increasing speed over the last few decades many works have reported on various aspects of the growth mechanisms, both experimentally and theoretically. We will here propose a general continuum formalism for growth kinetics based on thermodynamic parameters and transition state kinetics. We use the formalism together with key elements of recent research to present a more overall treatment of III-V NW growth, which can serve as a basis to model and understand the dynamical mechanisms in terms of the basic control parameters, temperature and pressures/beam fluxes. Self-catalysed GaAs NW growth on Si substrates by molecular beam epitaxy is used as a model system.

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DO - 10.1088/0022-3727/46/31/313001

M3 - Journal article

SN - 0022-3727

VL - 46

JO - Journal Physics D: Applied Physics

JF - Journal Physics D: Applied Physics

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Advances in the theory of III–V nanowire growth dynamics

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