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Peter Broqvist

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Related publications (35)

Please note that this is not a complete list of this person’s publications. It includes only semantically relevant works. For a full list, please refer to Infoscience.

Germanium core-level shifts at Ge/GeO2 interfaces through hybrid functionals

Alfredo Pasquarello, Peter Broqvist, Jan Felix Binder, Hannu-Pekka Komsa

The Ge core-level shift across the Ge/GeO2 interface is determined within semilocal and hybrid density functional schemes. We first assess the accuracy achieved within these theoretical frameworks by comparing calculated and measured core-level shifts for ...

2012

Band offsets at Ge/GeO2 interfaces: Effect of different interfacial bonding patterns

Alfredo Pasquarello, Peter Broqvist, Jan Felix Binder

Using hybrid density functional calculations, we investigate possible origins for the large variation of band offsets measured at Ge/GeO2 interfaces. We consider atomistic model interfaces with both amorphous and crystalline oxides, in which the bond densi ...

Elsevier2011

Charge Trapping in Substoichiometric Germanium Oxide

Alfredo Pasquarello, Peter Broqvist, Jan Felix Binder

Electron and hole trapping in substoichiometric germanium oxides are investigated through the use of hybrid density functionals. We consider disordered model structures generated by Monte-Carlo bond switching and by ab initio molecular dynamics (MD). The M ...

2011