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CMP
Credit: Jack Hobhouse

Robin Nicholas

Emeriti

Sub department

  • Condensed Matter Physics
Robin.Nicholas@physics.ox.ac.uk
Telephone: 01865 (2)72250
Clarendon Laboratory, room 053,151
  • About
  • Publications

STRAIN RECONSTRUCTION OF THE VALENCE BAND IN GA1-XINXSB GASB QUANTUM-WELLS

SURF SCI 228:1-3 (1990) 270-274

Authors:

RJ WARBURTON, GM SUNDARAM, RJ NICHOLAS, SK HAYWOOD, GJ REES, NJ MASON, PJ WALKER

VIOLATIONS OF KOHN THEOREM IN A HIGH MOBILITY 2-DIMENSIONAL ELECTRON-GAS

20TH INTERNATIONAL CONFERENCE ON THE PHYSICS OF SEMICONDUCTORS, VOLS 1-3 (1990) 1465-1468

Authors:

M WATTS, RJ NICHOLAS, NJ PULSFORD, JJ HARRIS, CT FOXON

Two-dimensional magnetopolaron coupling to both homopolar and longitudinal optic phonons in the layer compound InSe

Journal of Physics Condensed Matter 1:40 (1989) 7493-7498

Authors:

DF Howell, RJ Nicholas, CJGM Langerak, J Singleton, TJBM Janssen, A Chevy

Abstract:

The authors have studied cyclotron resonance of the two-dimensional electron gas (2DEG) found in the layered semiconductor InSe at magnetic fields up to 30 T. The results show the first direct observation of resonant polaron coupling to a homopolar optic phonon, coupling via a deformation potential. They have also observed a large increase in the cyclotron effective mass as the LO phonon energy is approached, indicating the strongest polaron effects yet seen in any 2D system ( alpha approximately=0.3).

Shubnikov-de Haas effect of the quasi-two-dimensional electron system in InSb grain boundaries in tilted magnetic fields

Semiconductor Science and Technology IOP Publishing 4:9 (1989) 747

Authors:

G Nachtwei, NJ Bassom, RJ Nicholas, U Preppernau, R Herrmann

A TRANSITION FROM QUANTUM WELL TO SUPERLATTICE BEHAVIOR IN GAAS-ALAS SHORT-PERIOD SUPERLATTICES

SUPERLATTICES AND MICROSTRUCTURES 6:1 (1989) 51-54

Authors:

NJ PULSFORD, RJ NICHOLAS, KJ MOORE, P DAWSON, CT FOXON

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