Manufacturing of nano-engineered III-nitride semiconductors

Research Output

Determining GaN nanowire polarity and its influence on light emission in the scanning electron microscope

Research output: Contribution to journal › Article

AlN overgrowth of nano-pillar-patterned sapphire with different offcut angle by metalorganic vapor phase epitaxy

Research output: Contribution to journal › Article

Electron channelling contrast imaging for III-nitride thin film structures

Research output: Contribution to journal › Article

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

Research output: Contribution to journal › Article

You do what in your microprobe?! The EPMA as a multimode platform for nitride semiconductor characterization

Research output: Contribution to journal › Conference Contribution

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

Research output: Contribution to journal › Article

Optical investigation of semi-polar (11-22) AlxGa1-xN with high Al composition

Research output: Contribution to journal › Article

Diffraction effects and inelastic electron transport in angle-resolved microscopic imaging applications

Research output: Contribution to journal › Article

Exploring transmission Kikuchi diffraction using a Timepix detector

Research output: Contribution to journal › Article

Monolithic multiple colour emission from InGaN grown on patterned non-polar GaN

Research output: Contribution to journal › Article

Quantum well engineering in InGaN/GaN core-shell nanorod structures

Research output: Contribution to journal › Article

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

Research output: Contribution to journal › Article

Spatially-resolved optical and structural properties of semi-polar (11-22) Al_xGa_1-xN with x up to 0.56

Research output: Contribution to journal › Article

Imaging basal plane stacking faults and dislocations in (11-22) GaN using electron channelling contrast imaging

Research output: Contribution to journal › Article

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

Research output: Contribution to journal › Article

Investigation of indium gallium nitride facet-dependent nonpolar growth rates and composition for core–shell light-emitting diodes

Research output: Contribution to journal › Article

Evolution of the m-plane quantum well morphology and composition within a GaN/InGaN core–shell structure

Research output: Contribution to journal › Article

Structural impact on the nanoscale optical properties of InGaN core-shell nanorods

Research output: Contribution to journal › Letter

Influence of InN and AlN concentration on the compositional inhomogeneity and formation of InN-rich regions in In_xAl_yGa_1−x−yN

Research output: Contribution to journal › Article

Luminescence behaviour of semi-polar (10-11) InGaN/GaN "bow-tie" structures on patterned Si substrates

Research output: Contribution to journal › Article

Deep UV emission from highly ordered AlGaN/AlN core-shell nanorods

Research output: Contribution to journal › Article

Scanning electron microscopy as a flexible tool for investigating the properties of UV-emitting nitride semiconductor thin films

Research output: Contribution to journal › Article

Cathodoluminescence studies of chevron features in semi-polar (11-22) InGaN/GaN multiple quantum well structures

Research output: Contribution to journal › Article

Activities

Lecture Series in India as part of "Science and Beyond" organised by the British Council, January 2016. Gave talks on - "Studying structure and light emission in the scanning electron microscope" and "Engaging the Public with Science and Technology – from statues to rainbows"

Activity: Talk or presentation types › Invited talk

Lecture at the Birla Industrial and Technological Museum (BITM), Kolkata, India, January 2015 "Nitrides - The Rainbow Material"

Activity: Talk or presentation types › Invited talk

EMAS 2017 - 15th European Workshop on MODERN DEVELOPMENTS AND APPLICATIONS IN MICROBEAM ANALYSIS and IUMAS-7 Meeting

Activity: Participating in or organising an event types › Key-note speaker and plenary lectures at conferences

Invited talk: Gordon Research Conference on Defects in Semiconductors, New London, US, August 2018 Title: Investigating the Structural and Luminescence Properties of Semiconductors in the Scanning Electron Microscope

Activity: Talk or presentation types › Invited talk

Invited Talk: International Workshop on UV Materials and Devices 2017, Fukuoka, Japan, November 2017 Title: Nanocharacterisation of the structural and luminescence properties of UV light-emitting materials in the scanning electron microscope

Activity: Talk or presentation types › Invited talk

SPIE Photonics West 2016

Activity: Participating in or organising an event types › Key-note speaker and plenary lectures at conferences

Plenary Lecture: International Workshop on Advance Materials and Device Technology, Chennai, India, November 2017 Title: Characterisation of the structural and luminescence properties of nitride materials in the scanning electron microscope

Activity: Talk or presentation types › Invited talk

German Physical Society Spring Meeting, Regensburg, Germany. March 2016. Title: Nanocharacterisation of the structural and luminescence properties of materials in the scanning electron microscope

Activity: Participating in or organising an event types › Participation in conference

SPIE Photonics West 2017

Activity: Participating in or organising an event types › Key-note speaker and plenary lectures at conferences

2015 International Conference on Nitride Semiconductors

Activity: Participating in or organising an event types › Key-note speaker and plenary lectures at conferences

Invited talk: State-of-the-art trends of scientific research of artificial and natural nanoobjects (STRANN), Russia, October 2018 Title: Investigating the Structural and Luminescence Properties of Semiconductors in the Scanning Electron Microscope

Activity: Talk or presentation types › Invited talk

Invited talk: International Workshop on Nitride Semiconductor, Japan, November 2018 Title: Visualization and investigation of defects using electron channeling (electron diffraction) in the scanning electron microscope

Activity: Talk or presentation types › Invited talk

Invited Talk: 12th International Conference on Nitride Semiconductors, Strasbourg, France, July, 2017 Title: Novel scanning electron microscopy techniques for rapid structural characterisation of III-N films.

Activity: Talk or presentation types › Invited talk

Datasets

Dataset for: "Monolithic multiple colour emission from InGaN grown on patterned non-polar GaN"

Dataset

Data for: "The scanning electron microscope as a flexible tool for investigating the properties of UV-emitting nitride semiconductor thin films"

Dataset

Cathodoluminescence imaging and spectroscopy of non-polar InGaN quantum wells in core-shell nanostructures

Dataset

Data for: "Deep-UV Emission From Highly-Ordered AlGaN/AlN Core-Shell Nanorods"

Dataset

Data for: "Spatially-resolved optical and structural properties of semi-polar (11-22) Al_xGa_(1-x)N with x up to 0.56"

Dataset

Cathodoluminescence hyperspectral images of InGaN/GaN core-shell nanorod structures

Dataset

Data resulting from the investigation of wide bandgap AlGaN:Si by wavelength dispersive X-Ray measurements

Dataset

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

Dataset

Cathodoluminescence and wavelength-dispersive X-ray measurements of InAlGaN

Dataset

Cathodoluminescence imaging and spectroscopy of InGaN/GaN core-shell nanostructures

Dataset

Electron channelling contrast and cathodoluminescence images obtained from III-nitride layer structures

Dataset

Data for: "Structural impact on the nanoscale optical properties of InGaN core-shell nanorods"

Dataset

Data for: Imaging basal plane stacking faults and dislocations in (11-22) GaN using electron channelling contrast imaging

Dataset

Data for: "Determining GaN nanowire polarity and its influence on light emission in the scanning electron microscope"

Dataset

Data for: "AlN overgrowth of nano-pillar-patterned sapphire with different offcut angle by metalorganic vapor phase epitaxy"

Dataset

Data for: "Design and fabrication of enhanced lateral growth for dislocation reduction and strain management in GaN using nanodashes"

Dataset

Data for: "Cathodoluminescence studies of chevron features in semi-polar (11-22) InGaN/GaN multiple quantum well structures"

Dataset

Dataset for "Optical Investigation of Semi-polar (11-22) AlGaN with High Al Composition"

Dataset

Data for: "Luminescence behaviour of semi-polar (10-11) InGaN/GaN 'bow-tie' structures on patterned Si substrates"

Dataset

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

Dataset