Current affiliation: University of ManchesterSubject: Engineering & TechnologyPrimary location: United Kingdom
Published in:Journal of Applied PhysicsPublication date:2013-01-01
Non-linear piezoelectricity in zinc blende GaAs and InAs semiconductors is about looking at second, third and fourth order coefficients and determi...
Grow the structure on a relaxed InGaN buffer. This way the strain in the GaN is higher but the one in the InGaN superlattice is lower. All together...
Published in:MRS ProceedingsPublication date:2001-01-01
Published in:Phys. Rev. BPublication date:2002-08-15
Published in:Quantum Dots: Fundamentals, Applications, and FrontiersPublication date:Not available
Published in:CarbonPublication date:2015-09-01
strain creates ripples, but also ripples lead to band gap opening, which is fundamental for using Graphene as a material for electronics.
This is a...
Published in:Journal of Physics Condensed MatterPublication date:2013-09-24
Empirical potentials for molecular dynamics of semiconductors are never accurate for both Elastic and vibrational properties. We have thus created ...
Published in:Not availablePublication date:2014-01-01
the title says is all. Going beyond first order: what difference does it make? Turns out quite a lot.......
Published in:Optical and Quantum ElectronicsPublication date:2011-12-17
a look at calculations of piezoelectric coefficients in Wurtzite III-N semiconductors
Published in:2012 12th International Conference on Numerical Simulation of Optoelectronic Devices (NUSOD)Publication date:2012-08-01
Published in:Physical Review BPublication date:2011-08-30
Is the piezoelectric effect in wurtzite crystals linear or non linear? We answer the question by calculating the non linear coefficients.
Published in:Physical Review BPublication date:2011-10-12
Published in:Journal of Physics Conference SeriesPublication date:2012-05-21
Published in:Nano EnergyPublication date:2015-05-01
Debunking the myth that wurtzite InGaAs and InGaP are only weakly piezoelelctric
Published in:Physical Review BPublication date:2007-03-09
Published in:Physica E Low-dimensional Systems and NanostructuresPublication date:2006-05-01
The question was if one could find a parameterization of empirical potentials for semiconductors to correctly predict both elastic constants and ph...
Published in:physica status solidi (b)Publication date:2013-03-26
Does pressure reduce or increase efficiency? We found that contrary to established theories which state it should reduce the piezo field and hence ...
Published in:ACS PhotonicsPublication date:2015-07-15
Can we use one material system (InGaN) to cover all visible wavelengths? yes, if we use quantum dots. This is a theoretical analysis of what is req...
Published in:Journal of Physics Conference SeriesPublication date:2014-06-18
Published in:Nano EnergyPublication date:2013-11-01
If one considers non linear effects on the coefficients, curious results can appear
Published in:2013 13th International Conference on Numerical Simulation of Optoelectronic Devices (NUSOD)Publication date:2013-08-01
Published in:2011 Numerical Simulation of Optoelectronic DevicesPublication date:2011-09-01
Published in:Journal of Physics Conference SeriesPublication date:2010-04-01
Published in:Journal of Physics Conference SeriesPublication date:2010-09-01
Published in:Journal of Physics Conference SeriesPublication date:2010-07-01
methods and a few tricks to extract the x,y,z dependence of the strain tensor from disordered crystal structures obtaned form molecular dynamics.
Published in:Applied Physics LettersPublication date:2009-01-01
Non linear piezo effects can be described either as a tensor of nth order, or by incorporating the strain dependence in the linear coefficients. He...
Published in:Microelectronics JournalPublication date:2009-03-01
Published in:Physical Review BPublication date:2009-10-28
There are a number of segregation models to explain the way 2 atomic species mix during epitaxial growth of semiconductors. In this paper we discov...
Published in:Journal of Physics Condensed MatterPublication date:2009-11-11
Published in:Optical and Quantum ElectronicsPublication date:2008-11-01
Published in:2008 International Conference on Numerical Simulation of Optoelectronic Devices (NUSOD)Publication date:2008-09-01
Published in:Applied Physics LettersPublication date:2006-01-01
Published in:Physical Review BPublication date:2006-12-29
Published in:Applied Surface SciencePublication date:2005-05-01
We look at self assembly of quantum dots on semiconductor surfaces and determine the interplay of composition fluctuations and surface energy
Published in:Physica E Low-dimensional Systems and NanostructuresPublication date:2005-02-01
Epitaxial quantum dots don't need to be structurally asymmetric to have non-degenerate electron wavefunctions. The role of piezoelectricity is enou...
Published in:Physica E Low-dimensional Systems and NanostructuresPublication date:2004-03-01
Published in:Journal of Applied PhysicsPublication date:2004-01-01
Published in:Physica E Low-dimensional Systems and NanostructuresPublication date:2002-03-01
what happens if strain is really non uniform owing to the discrete nature of the atoms in an alloy. We used empirical potential molecular dynamics ...
Published in:Journal of Applied PhysicsPublication date:2001-01-01
Published in:Phys. Rev. BPublication date:2002-02-27
Published in:CarbonPublication date:2016-01-01
what happens when we do repeated transfer of individual CVD grown Graphene layer
Published in:Scientific ReportsPublication date:2015-11-10
Published in:AIP Conference ProceedingsPublication date:2009-01-01
Published in:Nano ResearchPublication date:2016-05-01
Published in:Inorganic Chemistry FrontiersPublication date:2016-01-01