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WideGap2001
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Doping Issues in Wide Band-Gap Semiconductors

Exeter, United Kingdom
21-23 March 2001
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Provisional programme

Tuesday 20 March 2001

15:00-18:00Set-up of industrial exhibits, Engineering building, rooms 101-103
17:00-22:00Registration, foyer of Mardon Hall
19:30-20:30Drinks reception, foyer of Mardon Hall (sponsored by Aixtron)
20:00-21:30Buffet meal, Mardon Hall dining room
20:00-23:00Bar open in Mardon Hall

Wednesday 21 March 2001

07:30-08:45 Breakfast, Mardon Hall dining room
08:00-11:00 Late registration, Engineering building, rooms 101-103
Session I, chairman: Bob Jones
Engineering building, Harrison lecture theatre
09:00-09:15 Welcome address
Bob Jones, University of Exeter, UK
09:15-10:00
Invited
Native Defects and Self-Doping in SiC
Friedhelm Bechstedt, Friedrich-Schiller-Universität, Jena, Germany
10:00-10:45
Invited
Boron and Aluminum Doping in SiC and its Passivation by Hydrogen
Peter Deák, Budapest University of Technology and Economics, Hungary
10:45-11:15Coffee break, Engineering building, rooms 101-103 (sponsored by Emcore)
Session II, chairman: Bo Monemar
Engineering building, Harrison lecture theatre
11:15-12:00
Invited
Computational studies of defects and doping in GaN and SiC
Risto M. Nieminen, Helsinki University of Technology, Finland
12:00-12:30Carbon - an Alternative Acceptor for Cubic GaN
Donat As, University of Paderborn, Germany
12:30-13:00Conduction in Undoped GaN Grown by MOVPE
Trevor Martin, DERA, United Kingdom
13:00-14:00Lunch buffet, Engineering building, rooms 101-103
Session III, chairman: Bernard Clerjaud
Engineering building, Harrison lecture theatre
14:00-14:30Temperature Dependent Hole Transport in GaN
D. Lancefield, University of Surrey, UK
14:30-15:00Effective Electron and Hole Masses in Intrinsic and Heavily N-type Doped GaN and AlN
Clas Persson, University of Uppsala, Sweden
15:00-15:30Influence of Si Doping on Optical Properties of Wurtzite GaN
Antonio Ferreira da Silva, Universidade Federal da Bahia, Brasil
15:30-16:00Tea break, Engineering building, rooms 101-103
Session IV, chairman: Bengt Svensson
Engineering building, Harrison lecture theatre
16:00-16:45
Invited
High Nitrogen Pressure Growth of GaN Single Crystals: Doping and Physical Properties
Stanislaw Krukowski, High Pressure Research Center, Poland
16:45-17:30
Invited
Vacancies in the Growth and Doping of Gallium Nitride
Kimmo Saarinen, Helsinki University of Technology, Finland
17:30-19:30Poster Session & Industrial Exhibits
Engineering building, rooms 101-103
19:30-23:00Bar open in Mardon Hall
20:00-21:00Dinner, Mardon Hall dining room

Thursday 22 March 2001

07:30-08:45 Breakfast, Mardon Hall dining room
Session V, chairman: Friedhelm Bechstedt
Engineering building, Harrison lecture theatre
09:00-09:45
Invited
Electronic Structure of Wide-gap Diamond-like Carbons
John Robertson, Cambridge University, UK
09:45-10:30
Invited
N-type Doping of CVD Diamond by Sulfur
Christoph Nebel, Walter Schottky Institut, Garching, Germany (talk sponsored by Oxford Instruments)
10:30-11:00Coffee break, Engineering building, rooms 101-103 (sponsored by Emcore)
Session VI, chairman: Risto Nieminen
Engineering building, Harrison lecture theatre
11:00-11:45Photoluminescence microscopy of TEM irradiated diamond and SiC - a new route to high spatial resolution information about point defects at the ppm level and below
John Steeds, University of Bristol, UK
11:45-12:30
Invited
Dopant engineering in wide-band-gap semiconductors
Chris G. Van de Walle, Xerox PARC, Palo Alto, USA
12:30-13:00Group photograph, outside Engineering building
13:00-14:00Lunch buffet, Engineering building, rooms 101-103
Session VII, chairman: Joerg Neugebauer
Engineering building, Harrison lecture theatre
14:00-14:45Shallow versus deep hydrogen states in ZnO and HgO
P. J. C. King, Rutherford Appleton Laboratory, UK
14:45-15:30
Invited
Electrical Characterisation of Defects in As-Grown and Proton Irradiated n-Type ZnO
Danie Auret, University of Pretoria, South Africa
15:30-16:00Tea break, Engineering building, rooms 101-103
Session VIII, chairman: Kimmo Saarinen
Engineering building, Harrison lecture theatre
16:00-16:45
Invited
Beryllium and Magnesium Dopants in GaN and their Interactions with Oxygen and Hydrogen
Bernard Clerjaud, Université Pierre et Marie Curie, France
16:45-17:30
Invited
Shallow Dopants in GaN
Bo Monemar, Linköping University, Sweden
17:30-19:30Poster Session & Industrial Exhibits
Engineering building, rooms 101-103
19:30-20:00Drinks reception in Reed Hall (sponsored by Thomas Swan)
20:00-22:00Conference Banquet, Reed Hall
21:00-24:00Bar open in Reed Hall

Friday 23 March 2001

07:30-08:45 Breakfast, Mardon Hall dining room
Session IX, chairman: Peter Deák
Engineering building, Harrison lecture theatre
09:00-09:45
Invited
Codoping method for the fabrication of low-resistivity wide bandgap semiconductors: prediction vs. experiment
Hiroshi Katayama-Yoshida, Osaka University, Japan
09:45-10:30
Invited
Dopants on GaN surfaces: Incorporation mechanisms and effect on surface morphology
Joerg Neugebauer, Fritz-Haber-Institut, Germany
10:30-11:00Coffee break, Engineering building, rooms 101-103 (sponsored by Emcore)
Session X, chairman: Christoph Nebel
Engineering building, Harrison lecture theatre
11:00-11:30Determination of Nickel-Related Defect Levels in the Diamond Gap
Rui Nuno Pereira, Technical University Berlin, Germany
11:30-12:15
Invited
Surface doping: a special feature of diamond
Jürgen Ristein, University of Erlangen, Germany
12:15-12:45P-type surface doping of diamond: a first principles study
Jonathan Goss, University of Exeter, UK
12:45-14:00Lunch buffet, Engineering building, rooms 101-103
Session XI, chairman: John Robertson
Engineering building, Harrison lecture theatre
14:00-14:30Problems of Doping GaN by Ion Implantation
Sergei Kucheyev, The Australian National University
14:30-15:15
Invited
Ion Implantation and Doping of Silicon Carbide
Bengt Svensson, Oslo University, Norway
15:15-15:45Tea break, Engineering building, rooms 101-103
Session XII, chairman: Chris Van de Walle
Engineering building, Harrison lecture theatre
15:45-16:15Optimization of p-doping in the MBE growth of GaN
James Speck, University of California, USA
16:15-16:45Natural Dopants and their Spectral Characteristics in the AlN crystalline lattice
Baiba Berzina, University of Latvia
16:45-17:00 Concluding remarks
Bob Jones, University of Exeter, UK
18:00-24:00Bar open in Mardon Hall
20:00-21:00Dinner, Mardon Hall dining room

Saturday 24 March 2001

08:00-09:30 Breakfast, Mardon Hall dining room
09:00-10:00Conference delegates depart

Caspar Fall              email: C.J.Fall@exeter.ac.uk
University of Exeter     phone: +44 (1392) 264198
Exeter EX4 4QL, UK       fax  : +44 (1392) 264111