If you made any changes in Pure these will be visible here soon.

Personal profile

Research interests

I currently work in the area of semiconductor technology, predominantly in the area of group III-V optoelectronics. A major focus of my work has been the creation of optoelectronic devices based on the group III-nitride wide bandgap semiconductor materials.

I have experience in MOVPE semiconductor growth, alongside micro and nanofabrication for the creation of light-emitting and laser diodes. Recently, I have been exploring semiconductor crystal growth on three-dimensional, patterned substrates; understanding how the substrate affects the growth process. This has led to an extensive study of core-shell light-emitting diodes; primarily emitting in the visible regime, but also more recently in the ultraviolet.

As a result of needing large area nanopatterning for creating growth templates, I also have expertise in nanoimprint lithography (NIL), electron beam lithography (EBL) and displacement Talbot lithography (DTL).

Education/Academic qualification

Doctor of Philosophy, University of Oxford

Physics, Master of Physics, University of Oxford

Fingerprint Fingerprint is based on mining the text of the person's scientific documents to create an index of weighted terms, which defines the key subjects of each individual researcher.

  • 2 Similar Profiles
nanorods Physics & Astronomy
light emitting diodes Physics & Astronomy
Nanorods Engineering & Materials Science
quantum wells Physics & Astronomy
Light emitting diodes Engineering & Materials Science
Semiconductor quantum wells Engineering & Materials Science
photonics Physics & Astronomy
photoluminescence Physics & Astronomy

Network Recent external collaboration on country level. Dive into details by clicking on the dots.

Projects 2010 2021

Manufacturing of Nano-Engineered III-N Semiconductors

Shields, P., Allsopp, D. & Wang, W.

1/05/1528/02/21

Project: Research council

manufacturing
nitrides
wafers
gallium nitrides
light emitting diodes
lithography
manufacturing
nitrides
industries
wafers

INREP

Allsopp, D. & Shields, P.

1/02/1531/01/18

Project: EU Commission

Oxides
Indium
Touch screens
Solar cells
Electrodes

Nanoscale Sensors for Healthcare and the Environment (NANOSENSE)

Shields, P. & Allsopp, D.

13/10/1413/04/15

Project: Research-related fundingInternally Funded Research

High Intensity Light Emitting Diodes (LEDs) for Advanced Projection Systems

Allsopp, D. & Shields, P.

2/12/1330/11/15

Project: Central government, health and local authorities

Research Output 1999 2018

Deep UV Emission from Highly Ordered AlGaN/AlN Core–Shell Nanorods

Coulon, P-M., Kusch, G., Martin, R. W. & Shields, P. A., 6 Sep 2018, In : ACS Applied Materials and Interfaces.

Research output: Contribution to journalArticle

Open Access
File
Nanorods
Nanostructures
Light emitting diodes
Stark effect
Fabrication
1 Citations

Hybrid top-down/bottom-up fabrication of a highly uniform and organized faceted AlN nanorod scaffold

Coulon, P-M., Kusch, G., Fletcher, P., Chausse, P., Martin, R. W. & Shields, P. A., 5 Jul 2018, In : Materials. 11, 7, 1140.

Research output: Contribution to journalArticle

Open Access
Nanorods
Scaffolds
Fabrication
Dry etching
Wet etching
1 Citations

Hybrid top-down/bottom-up fabrication of regular arrays of AlN nanorods for deep-UV core-shell LEDs

Coulon, P-M., Kusch, G., Le Boulbar, E., Chausse, P., Bryce, C. G., Martin, R. W. & Shields, P., 1 May 2018, In : Physica Status Solidi (B). 255, 5, 9 p., 1700445 .

Research output: Contribution to journalArticle

Nanorods
nanorods
Light emitting diodes
light emitting diodes
Fabrication

Optical characterization of magnesium incorporation in p-GaN layers for core-shell nanorod light-emitting diodes

Gîrgel, I., Šatka, A., Priesol, J., Coulon, P. M., Le Boulbar, E. D., Batten, T., Allsopp, D. W. E. & Shields, P. A., 20 Mar 2018, In : Journal of Physics D: Applied Physics. 51, 15, 155103.

Research output: Contribution to journalArticle

Open Access
Nanorods
Magnesium
nanorods
Light emitting diodes
magnesium
3 Citations

Design and fabrication of enhanced lateral growth for dislocation reduction in GaN using nanodashes

Shields, P., Le Boulbar, E., Priesol, J., Nouf-Allehiani, M., Naresh-Kumar, G., Fox, S., Trager-Cowan, C., Šatka, A. & Allsopp, D., 15 May 2017, In : Journal of Crystal Growth. 466, p. 30-38

Research output: Contribution to journalArticle

Open Access
File
Dislocations (crystals)
Fabrication
fabrication
Masks
Gallium nitride

Datasets

Dataset for 'Design and fabrication of enhanced lateral growth for dislocation reduction and strain management in GaN using nanodashes'

Shields, P. (Creator), Le Boulbar, E. (Creator), Priesol, J. (Creator), Šatka, A. (Creator), Allehiani, N. (Creator), Naresh-Kumar, G. (Creator), Fox, S. (Creator), Trager-Cowan, C. (Creator), University of Bath, Mar 2017

Dataset

Fabrication of high-aspect ratio GaN nanostructures for advanced photonic devices

Le Boulbar, E. (Creator), Lewins, C. (Creator), Allsopp, D. (Creator), Bowen, C. (Creator), Shields, P. (Creator), University of Bath, Apr 2016

Dataset

Dataset for Structural and optical emission uniformity of m-plane InGaN single quantum wells in core-shell nanorods

Le Boulbar, E. (Creator), Hosseini-Vajargah, S. (Creator), Edwards, P. R. (Creator), Girgel, I. (Creator), Coulon, P. (Creator), Cherns, D. (Creator), Martin, R. W. (Creator), Humphreys, C. (Creator), Bowen, C. (Creator), Allsopp, D. (Creator), Shields, P. (Creator), University of Bath, 2015

Dataset