Christian Brandl

Linear viscoelastic shear and bulk relaxation moduli in poly(tetramethylene oxide) (PTMO) using united-atom molecular dynamics

Zakiya Shireen, Elnaz Hajizadeh, Peter Daivis, Christian Brandl

Journal article  |  2022  |  COMPUTATIONAL MATERIALS SCIENCE

A quantitative understanding and prediction of the viscoelastic relaxation behavior of polymer melts is required to build up predi..

Temperature-dependent nanoindentation and activation volume in high-purity body-centered cubic chromium

Christian Brandl, In-Chul Choi, Ruth Schwaiger

Journal article  |  2022  |  MATERIALS SCIENCE AND ENGINEERING A-STRUCTURAL MATERIALS PROPERTIES MICROSTRUCTURE AND PROCESSING

The thermally activated dislocation plasticity of body-centered cubic (BCC) metals is controlled by the nucleation of dislocation ..

Editorial: Computational Defect Properties

S Zhao, Y Zhang, L Messina, C Brandl

Journal article  |  2021  |  Frontiers in Materials

On the structure of (111) twist grain boundaries in diamond: atomistic simulations with Tersoff-type interatomic potentials

C Baruffi, C Brandl

Journal article  |  2021  |  ACTA MATERIALIA

In nanocrystalline diamond thin films, the high grain boundary density and the associated grain boundary properties may dominate t..

Influence of the Growth Substrate on the Internal Quantum Efficiency of AlGaN/AlN Multiple Quantum Wells Governed by Carrier Localization

G Jacopin, C Frankerl, N Tillner, MJ Davies, G Rossbach, C Brandl, MP Hoffmann, R Zeisel, A Hoffmann, HJ Lugauer

Journal article  |  2021  |  Physica Status Solidi (B) Basic Research

The influence of the growth substrate on the internal quantum efficiency (IQE) of deep ultraviolet light-emitting diodes is studie..

Improving learning through technology-enhanced dynamic and interactive engineering content

L Lam, G Yau, C Brandl, LA Johnston, KS Stok

Conference Proceedings  |  2021  |  9th Research in Engineering Education Symposium and 32nd Australasian Association for Engineering Education Conference, REES AAEE 2021: Engineering Education Research Capability Development

CONTEXT The rise of flexible degree structures has allowed students to explore a wider breadth of knowledge. This has resulted in ..

Carrier Dynamics in Al-Rich AlGaN/AlN Quantum Well Structures Governed by Carrier Localization

C Frankerl, F Nippert, MP Hoffmann, C Brandl, HJ Lugauer, R Zeisel, A Hoffmann, MJ Davies

Journal article  |  2020  |  Physica Status Solidi (B): Basic Research

The carrier dynamics of Al-rich AlGaN/AlN quantum well (QW) structures in the presence of strong carrier localization is reported...

Point Defect-Induced UV-C Absorption in Aluminum Nitride Epitaxial Layers Grown on Sapphire Substrates by Metal-Organic Chemical Vapor Deposition

N Tillner, C Frankerl, F Nippert, MJ Davies, C Brandl, R Lösing, M Mandl, HJ Lugauer, R Zeisel, A Hoffmann, A Waag, MP Hoffmann

Journal article  |  2020  |  Physica Status Solidi (B): Basic Research

Herein, the optical properties of aluminum nitride (AlN) epitaxial layers grown on sapphire substrates by metal-organic chemical v..

Origin of carrier localization in AlGaN-based quantum well structures and implications for efficiency droop

C Frankerl, F Nippert, A Gomez-Iglesias, MP Hoffmann, C Brandl, HJ Lugauer, R Zeisel, A Hoffmann, MJ Davies

Journal article  |  2020  |  Applied Physics Letters

We investigate carrier localization in Al-rich AlGaN/AlN quantum well (QW) structures. Low temperature time-resolved photoluminesc..

Strongly localized carriers in Al-rich AlGaN/AlN single quantum wells grown on sapphire substrates

C Frankerl, F Nippert, MP Hoffmann, H Wang, C Brandl, HJ Lugauer, R Zeisel, A Hoffmann, MJ Davies

Journal article  |  2020  |  Journal of Applied Physics

Carrier dynamics in AlGaN-based single quantum well (QW) structures grown on sapphire are studied by means of time-integrated and ..