Robin Nicholas: Publications

Critical collapse of the exchange-enhanced spin splitting in two-dimensional systems

PHYSICAL REVIEW B 58:19 (1998) 13036-13046

Authors:

DR Leadley, RJ Nicholas, JJ Harris, CT Foxon

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High-field cyclotron resonance in the conduction bands of GaSb and effective-mass parameters at the L points

PHYSICAL REVIEW B 58:8 (1998) 4560-4565

Authors:

H Arimoto, N Miura, RJ Nicholas, NJ Mason, PJ Walker

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Magnetic breakdown in the semimetallic InAs/GaSb system

PHYSICAL REVIEW B 58:11 (1998) 7292-7299

Authors:

DM Symons, M Lakrimi, RJ Nicholas, DK Maude, JC Portal, NJ Mason, PJ Walker

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Searches for skyrmions in the limit of zero g-factor

SEMICONDUCTOR SCIENCE AND TECHNOLOGY 13:7 (1998) 671-679

Authors:

DR Leadley, RJ Nicholas, DK Maude, AN Utjuzh, JC Portal, JJ Harris, CT Foxon

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Improved photoluminescence from electrochemically passivated GaSb

Semiconductor Science and Technology 12:4 (1997) 413-418

Authors:

A Salesse, R Alabedra, Y Chen, M Lakrimi, RJ Nicholas, NJ Mason, PJ Walker

Abstract:

A new class of insulating and passivating layers on gallium antimonide has been prepared by means of an electrochemical process. In previous work we used this new process of fabrication of passivating and insulating layers for gating devices made from GaSb/InAs/GaSb nanostructures (Chen Y et al 1994 Superlatt. Microstruct. 15 41 and Chen Y 1995 PhD Thesis Hertford College, Oxford, UK). In this publication we describe the effects of the electrochemical process leading to an improvement of the photoluminescence (PL) after the growth of the passivating layer on GaSb. The PL measurements on <100>, <111A> and <111B> GaSb substrates and on GaSb epilayers grown by MOVPE on GaAs indicate significant improvement of the PL intensity even after 12 months. Similar results have been observed on InGaSb/GaSb superlattice structures.

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Robin Nicholas

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Critical collapse of the exchange-enhanced spin splitting in two-dimensional systems

Authors:

High-field cyclotron resonance in the conduction bands of GaSb and effective-mass parameters at the L points

Authors:

Magnetic breakdown in the semimetallic InAs/GaSb system

Authors:

Searches for skyrmions in the limit of zero g-factor

Authors:

Improved photoluminescence from electrochemically passivated GaSb

Authors:

Abstract:

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