D.R. LEADLEY -- PUBLICATION LIST -- November 1997

• Books
• Papers
• Conference Posters
• Miscellaneous
• Papers relevent to: Magnetophonon Resonance, Composite Fermions, scattering in GaAs-GaAlAs heterojunctions.
• Some papers can be downloaded in Portable Document Format (PDF) . To view these you need Acrobat Reader available free from Adobe.

BOOKS

Electronic Properties of Low Dimensional Structures;
D.Phil Thesis, Oxford (1989).

PAPERS

• D.R. Leadley, R.J. Nicholas, D.K. Maude, A.H. Utjuzh, J.C. Portal, J.J. Harris and C.T. Foxon.
  Critical Collapse of the Exchange Enhanced Spin Splitting in 2-D Systems;
  Physical Review B, 58, 13036 (1998). abstract ,  Paper (518 k PDF file)
• R.J. Nicholas, D.R. Leadley, D.K. Maude, J.C. Portal, J.J. Harris and C.T. Foxon.
  Skyrmions and Composite Fermions in the Limit of Vanishing Zeeman Energy;
  Journal of Physics: Condensed Matter 10, 11327 (1998). abstract ,  Paper (188 k PDF file)
• D.R. Leadley, R.J. Nicholas, D.K. Maude, A.H. Utjuzh, J.C. Portal, J.J. Harris and C.T. Foxon.
  Searches for Skyrmions in the Limit of Zero g-Factor;
  Semiconductor Science and Technology 13, 671 (1998). abstract ,  Paper (340 k PDF file)
• D.R. Leadley, R.J. Nicholas, D.K. Maude, A.H. Utjuzh, J.C. Portal, J.J. Harris and C.T. Foxon.
  Measurements of Composite Skyrmions at Filling Factor 1/3;
  Physica B 249-251, 23 (1998). abstract ,  Paper (139 k PDF file)
• D.R. Leadley, R.J. Nicholas, D.K. Maude, A.H. Utjuzh, J.C. Portal, J.J. Harris and C.T. Foxon.
  Fractional Quantum Hall Effect Measurements at Zero g-Factor;
  Physical Review Letters 79, 4246 (1997). abstract ,  Paper (144 k PDF file)
• D.R. Leadley, R.J. Nicholas, D.K. Maude, J.C. Portal, J.J. Harris and C.T. Foxon.
  Fractional Quantum Hall Effect Measured in a Spin Degenerate Electron Gas;
  in 23rd International Conference on the Physics of Semiconductors - Vol. 3, eds. M. Scheffler and R. Zimmermann
  (World Scientific, Singapore 1996) p.2539 abstract ,  Paper (107 k PDF file)
• R.J. Nicholas, D.R. Leadley, M.S.Daly, M. van der Burgt, P.J. Gee, J. Singleton, D.K. Maude, J.C. Portal, J.J. Harris and C.T. Foxon.
  The Dependence of the Composite Fermion Effective Mass on Carrier Density and Zeeman Energy;
  Semicond. Sci. Technol. 11, 1477 (1996) abstract ,  Paper (146 k PDF file)
• D.R. Leadley, M. van der Burgt, R.J. Nicholas, P.J. Gee, J. Singleton, J.J. Harris and C.T. Foxon.
  Unification of the Fractional Quantum Hall Effect by the Composite Fermion Effective Field;
  Surface Science 362, 22 (1996). abstract ,  Paper (77 k PDF file)
• W. Xu, F.M. Peeters, J.T. Devreese, D.R. Leadley and R.J. Nicholas.
  Destruction of Magnetophonon Resonance in High Magnetic Fields from Impurity and Phonon Scattering in Heterojunctions;
  International Journal of Modern Physics B 10, 169-202 (1996). abstract
• D.R. Leadley, M. van der Burgt, R.J. Nicholas, J.J. Harris and C.T. Foxon.
  Pulsed Magnetic Field Measurements of the Composite Fermion Effective Mass;
  Physical Review B 53, 2057 (1996). abstract , Paper (233 k PDF file)
• D.R. Leadley, R.J. Nicholas, P.J. Gee, J. Singleton, J.J. Harris and C.T. Foxon.
  The Fractal Quantum Hall Effect; in 22nd International Conference on the Physics of Semiconductors - Vol. 3, ed. D.J. Lockwood (World Scientific, Singapore, 1995), p. 983. abstract , Paper (72 k PDF file)
• W. Xu, D.R. Leadley, F.M. Peeters, J.T. Devreese, R.J. Nicholas, J.J. Harris and C.T. Foxon.
  Destruction of Magnetophonon Resonance in High Mobility Heterojunctions from Competition between Elastic and Inelastic Scattering;
  in 22nd International Conference on the Physics of Semiconductors - Vol. 2, ed. D.J. Lockwood (World Scientific, Singapore, 1995), p. 839. abstract
• P.J. Gee, D.R. Leadley, S.O. Hill, J. Singleton, R.J. Nicholas, J.J. Harris, and C.T. Foxon.
  Temperature Dependence of Quantum Hall Plateuax Widths for Low and High Mobility Heterojunctions;
  in High Magnetic Fields in the Physics of Semiconductors ed. D.Heiman (World Scientific, Singapore, 1995) p252
• D.R. Leadley, R.J. Nicholas, P.J. Gee, J. Singleton, J.J. Harris and C.T. Foxon.
  The Quantum Hall Effect of Composite Fermions;
  in High Magnetic Fields in the Physics of Semiconductors, ed. D. Heiman (World Scientific, Singapore, 1995), p.20. abstract ,  Paper (59 k PDF file)
• D.R. Leadley, R.J. Nicholas, J. Singleton, W. Xu, F.M. Peeters, J.T. Devreese, J.A.A.J. Perenboom,
  L. van Bockstal, F. Herlach, J.J. Harris and C.T. Foxon.
  Collapse of High Field Magnetophonon Resonance in GaAs-GaAlAs Heterojunctions;
  Physical Review Letters, 73, 589 (1994). abstract
• D.R. Leadley, R.J. Nicholas, J.J. Harris and C.T. Foxon.
  Measurements of the Effective Mass and Scattering Times of Composite Fermions from Magnetotransport Analysis;
  Physical Review Letters, 72, 1906 (1994). abstract
• D.R. Leadley, R.J. Nicholas, J. Singleton, W. Xu, F.M. Peeters, J.T. Devreese, J.A.A.J. Perenboom,
  L. van Bockstal, F. Herlach, J.J. Harris and C.T. Foxon.
  Disappearance of Magnetophonon Resonance at High Magnetic Fields in GaAs-GaAlAs Heterojunctions;
  Surface Science 305, 327 (1994). abstract
• D.R. Leadley, R.J. Nicholas, W. Xu, F.M. Peeters, J.T. Devreese, J. Singleton, J.A.A.J. Perenboom,
  L. van Bockstal, F. Herlach, J.J. Harris and C.T. Foxon.
  High Field Magnetoresistance in GaAs-GaAlAs Heterojunctions;
  Physical Review B 48, 5457 (1993). abstract
• D.R. Leadley, R.J. Nicholas, W. Xu, F.M. Peeters, J.T. Devreese, C.T. Foxon and J.J. Harris.
  High Field Magnetoresistance in GaAs-GaAlAs Heterojunctions;
  Physica B 184, 197 (1992). abstract
• D.R. Leadley, R. Fletcher, R.J. Nicholas, F. Tao, J.J. Harris and C.T. Foxon.
  Intersubband Resonant Scattering in GaAs-GaAlAs Heterojunctions;
  Physical Review B 45, 12439 (1992). abstract
• G.C. Wiggins, D.R. Leadley, D.J. Barnes, R.J. Nicholas, M. Hopkins, J.J. Harris and C.T. Foxon.
  Anomalous Subband Landau Level Coupling in GaAs-GaAlAs Heterojunctions;
  in High Magnetic Fields in Semiconductor Physics III, ed. G. Landwehr, Springer Series in Solid State Sciences Vol. 101 (Springer, Berlin, 1992), p. 562. abstract
• D.R. Leadley, L. van Bokstaal, R.J. Nicholas, F. Herlach, J.J. Harris and C.T.. Foxon.
  Pulsed Magnetic Field Studies of Magnetophonon Resonance Amplitudes in GaAs-GaAlAs Heterojunctions;
  in High Magnetic Fields in Semiconductor Physics III, ed. G. Landwehr, Springer Series in Solid State Sciences Vol. 101 (Springer, Berlin, 1992), p. 623. abstract
• D.R. Leadley, R.J. Nicholas, J.J. Harris and C.T. Foxon.
  Anisotropy of the Fermi Surface in GaAs-GaAlAs Heterojunctions due to Parallel Magnetic Fields;
  in 20th International Conference on the Physics of Semiconductors - Vol. 2, eds. E.M. Anastassakis & J.D. Joannopoulos (World Scientific, Singapore, 1990), p. 1609.
• D.R. Leadley, R.J. Nicholas, J.J. Harris and C.T. Foxon.
  Intersubband Scattering Rates in GaAs-GaAlAs Heterojunctions;
  Semiconductor Science and Technology 5, 1081 (1990) abstract
• R.J. Nicholas, D.J. Barnes, D.R. Leadley, C.J.G.M. Langerak, J. Singleton, P.J. van der Wel, J.A.A.J. Perenboom, J.J. Harris and C.T. Foxon.
  Polaron Coupling in GaAs-GaAlAs Heterostructures Observed by Cyclotron and Magnetophonon Resonance;
  in Spectroscopy of Semiconductor Microstructures, eds. G. Fasol, A. Fasolino & P. Lugli; Plenum Physics Series B 206, 451 (1989).
• D.R. Leadley, R.J. Nicholas, J.J. Harris and C.T. Foxon.
  Influence of Acoustic Phonons on Inter-Subband Scattering in GaAs-GaAlAs Heterostructures;
  Semiconductor Science and Technology 4, 885 (1989).
• D.R. Leadley, R.J. Nicholas, J.J. Harris and C.T. Foxon.
  Cyclotron Phonon Emission and Electron Energy Loss Rates in GaAs-GaAlAs Heterostructures;
  Semiconductor Science and Technology 4, 879 (1989).
• D.R. Leadley, R.J. Nicholas, J.J. Harris and C.T. Foxon.
  Cyclotron Phonon Emission and Electron Energy Loss Rates in GaAs-GaAlAs Heterostructures;
  Solid State Electronics 32, 1473 (1989). abstract
• D.R. Leadley, R.J. Nicholas, L.L. Taylor, S.J. Bass and M.S. Skolnick.
  Carrier Concentration Dependent Phonon Frequencies Deduced from Magnetophonon Resonance in GaInAs/InP Quantum Wells;
  in High Magnetic Fields in Semiconductor Physics II, ed. G. Landwehr, Springer Series in Solid State Sciences Vol. 87 (Springer, Berlin, 1989), p. 545.
• D. Gauthier, L. Dmowski, J.C. Portal, D.R. Leadley, M.A. Hopkins, M.A. Brummell, R.J. Nicholas, M. Razeghi and P. Maurel.
  Pressure Dependence Study of the Effective Mass in Ga0.47In0.53As/InP Heterojunctions;
  Superlattices and Microstructures 4, 201 (1988).
• R.J. Nicholas, M.A. Hopkins, M.A. Brummell and D.R. Leadley.
  Polaron Effects and Optic Phonon Scattering in Heterostructures;
  in Interfaces, Quantum Wells and Superlattices, eds. C.R. Leavens and R. Taylor; Plenum Physics Series B 179, 243 (1988).
• M.A. Brummell, D.R. Leadley, M.A. Hopkins and R.J. Nicholas.
  Cyclotron and Magnetophonon Resonance in Semiconductor Heterostructures;
  Physica Scripta T23, 73 (1988).
• M.A. Brummell, D.R. Leadley, R.J. Nicholas, J.J. Harris and C.T. Foxon.
  Competition between LO and TO Phonon Scattering in GaAs/GaAlAs Heterojunctions;
  Surface Science 196, 451 (1988).
• D.R. Leadley, M.A. Brummell, R.J. Nicholas, J.J. Harris and C.T. Foxon.
  Measurements of Hot Electron Magnetophonon Resonance in GaAs/GaAlAs Heterostructures;
  Solid-State Electronics 31, 781 (1988).
• M.A. Brummell, R.J. Nicholas, M.A. Hopkins, D.R. Leadley, J.J. Harris and C.T. Foxon.
  Reply to the comment of M.H. Degani and O. Hipolito on Modifications of the Electron-Phonon Interactions in GaAs-GaAlAs Heterojunctions;
  Physical Review Letters 59, 2820 (1987).

CONFERENCE PRESENTATIONS

• D.R. Leadley, R.J. Nicholas, J.J.Harris, & C.T.Foxon.
  Critical Collapse of the Spin Splitting and Exchange Enhancement of the g-Factor in GaAs/GaAlAs Heterojunctions
  Institute of Physics Condensed Matter Physics Conference, Exeter (1997). abstract
• D.R. Leadley, R.J. Nicholas, D.K. Maude, J.C.Portal, A.N. Utjuzh, J.J.Harris, & C.T.Foxon.
  Skyrmionic Excitations of Composite Fermions
  Institute of Physics Condensed Matter Physics Conference, Exeter (1997). abstract
• D.R. Leadley, R.J. Nicholas, D.K. Maude, J.C.Portal, J.J.Harris, & C.T.Foxon.
  Measurements of the Quantum Hall Ferromagnet Energy Gap at Reduced g-Factor
  Institute of Physics Condensed Matter Physics Conference, York (1996). abstract
• G. Bongiovanni, D.R. Leadley, A. Mura and J.L. Staehli,
  The Importance of Biexcitons in Four-Wave Mixing Experiments in Quantum Wells with Interface Disorder;
  Ultrafast Processes in Spectroscopy, Trieste (1995). abstract
• D.R. Leadley, P.J. Gee, R.J. Nicholas, J. Singleton, D.K. Maude, J.C.Portal, S.Udi, J.J.Harris, & C.T.Foxon.
  Composite Fermions in the Neighbourhood of Filling Factor 3/2.
  Institute of Physics Condensed Matter and Materials Physics Conference, Liverpool (1995). abstract
• G. Ansaripour, G. Braithwaite, D.R. Leadley, E.H.C. Parker and T.E. Whall.
  Negative Differential Resistance in Remote Doped p-Type Si/SiGe Heterostructures
  Institute of Physics Condensed Matter and Materials Physics Conference, Liverpool (1995). abstract
• D.R. Leadley, M. van der Burgt, R.J. Nicholas, J.J.Harris, & C.T.Foxon.
  "Pulsed Magnetic Field Measurements of the Composite Fermion Effective Mass";
  Institute of Physics Condensed Matter Physics Conference, Warwick (1994). abstract
• P.J. Gee, D.R. Leadley, S.O. Hill, J. Singleton, R.J. Nicholas, J.J. Harris, and C.T. Foxon.
  Influence of Impurity Scattering on the Zero-Temperature Limit of Quantum Hall Plateuax Widths.
  Institute of Physics Condensed Matter and Materials Physics Conference, Leeds (1993).
• D.R. Leadley, R.J. Nicholas, J.J. Harris and C.T. Foxon.
  Mass and Lifetimes of Composite Fermions in the Fractional Quantum Hall Effect;
  Institute of Physics Condensed Matter and Materials Physics Conference, Leeds (1993). abstract
• W. Xu, F.M. Peeters, J.T. Devreese, D.R. Leadley, R.J. Nicholas, J. Singleton, J.J. Harris, C.T. Foxon,
  J.A.A.J. Perenboom, L. van Bockstal and F. Herlach.
  Absence of Magnetophonon Resonance at High Magnetic Fields in GaAs-GaAlAs Heterojunctions;
  Condensed matter meeting of the European Physical Society, Regensburg (1993). abstract
• W. Xu, F.M. Peeters, J.T. Devreese, D.R. Leadley, R.J. Nicholas, J. Singleton, J.J. Harris, C.T. Foxon,
  J.A.A.J. Perenboom, L. van Bockstal and F. Herlach.
  Disappearance of Magnetophonon Resonance at High Magnetic Fields in GaAs-GaAlAs Heterojunctions;
  American Physical Society March Meeting (1993). abstract
• D.R. Leadley, R.J. Nicholas, W. Xu, F.M. Peeters, J.T. Devreese, J.J. Harris, C.T. Foxon, J. Singleton,
  J.A.A.J. Perenboom, L. van Bockstal and F. Herlach.
  Absence of Magnetophonon Resonance at High Magnetic Fields in GaAs-GaAlAs Heterojunctions;
  Institute of Physics Condensed Matter and Materials Physics Conference, Sheffield (1992). abstract
• D.R. Leadley, R.J. Nicholas, J.J. Harris and C.T. Foxon.
  High Field Magnetoresistance in GaAs-GaAlAs Heterojunctions;
  Institute of Physics Condensed Matter and Materials Physics Conference, Birmingham (1991) abstract
• D.R. Leadley, R.J. Nicholas, J.J. Harris and C.T. Foxon.
  Intersubband Scattering in GaAs-GaAlAs Heterojunctions;
  Institute of Physics Solid State Physics Conference, Warwick (1989).
• D.R. Leadley, R.J. Nicholas, J.J. Harris and C.T. Foxon.
  Resonant Acoustic Phonon Scattering in GaAs-GaAlAs Heterojunctions Observed from Shubnikov-de Haas Measurements;
  Institute of Physics Solid State Physics Conference, Nottingham (1988).
• D.R. Leadley, R.J. Nicholas, J.J. Harris and C.T. Foxon.
  Effects of Inter-subband Scattering on the Magnetoresistance of Heterojunctions Seen in the Warm Electron Region;
  2nd Int. Conf. on 'High Magnetic Fields in Semiconductor Physics', Wurzburg, (1988).
• D.R. Leadley, R.J. Nicholas, M.A. Brummell, J.J. Harris and C.T. Foxon.
  Hot Electron Magnetophonon Resonance in Heterojunctions;
  Institute of Physics Solid State Physics Conference, Bristol (1987).

REPORTS

• D.K. Maude, M. Potemski, J.C. Portal, D.R. Leadley, R.J. Nicholas, M. Henini, L. Eaves and A.H. Utjuzh.
  Solid State Skyrmions;
  Oxford Instruments, Research Matters (1998).
• D.R. Leadley, R.J. Nicholas, D.K. Maude, A.H. Utjuzh, J.C. Portal, J.J. Harris and C.T. Foxon.
  High Pressure Investigations of Skyrmions and Composite Fermions;
  Grenoble High Magnetic Field Laboratory Annual Report (1997). Paper(37 k PDF file)
• D.R. Leadley, R.J. Nicholas, D.K. Maude, A.H. Utjuzh, J.C. Portal, J.J. Harris and C.T. Foxon.
  Studies of Skyrmions at v=1 in the Limit of Zero g-Factor;
  Russian Academy of Sciences, Institute of High Pressure Physics Annual Report (1997). Paper (84 k PDF file)
• D.R. Leadley, R.J. Nicholas, D.K. Maude, J.C. Portal, J.J Harris and C.T. Foxon.
  High Pressure Investigations of Composite Fermions.
  Grenoble High Magnetic Field Laboratory Annual Report (1996). (55 k PDF file)
• D.R. Leadley, R.J. Nicholas, D.K. Maude, J.C. Portal, J.J Harris and C.T. Foxon.
  High Pressure Fractional Quantum Hall Effect Measurements.
  Grenoble High Magnetic Field Laboratory Annual Report (1995). (33k PDF file)
• D.R. Leadley and G.W. Brown.
  A Guide to Semiconductor Device Fabrication
  Rutherford Appleton Laboratory Internal Report (1992).
• D.R. Leadley.
  Phase Shift Mask Repair by Focussed Ion Beam and Laser
  Rutherford Appleton Laboratory, ESPRIT-JEEPS Report (1992).
• D.R. Leadley.
  Experimental Measurements of the Large Signal Impedance of a MESFET Doubler
  Plessey Internal Report (1984)
• D.R. Leadley.
  A Hybrid Circuit Design for a MESFET Multiplier
  Plessey Internal Report (1984)
• D.R. Leadley and S.J. Beard.
  Computer Programs to Aid the Design of Microstrip and Co-planar Waveguide Circuits
  Microwave Devices Research Notes, Royal Signals and Radar Establishment (1983)