Publications related to Crystallinity

Phthalocyanines and porphyrinoid analogues as hole- and electron-transporting materials for perovskite solar cells

Organic-inorganic lead halide perovskite absorbers in combination with electron and hole transporting selective contacts result in power conversion efficiencies of over 23% under AM 1.5 sun conditions. The advantage of perovskite solar cells is their simpl ...

2019

First-Principles Statistical Mechanics of Multicomponent Crystals

Anirudh Raju Natarajan

The importance of configurational, vibrational, and electronic excitations in crystalline solids of technological interest makes a rigorous treatment of thermal excitations an essential ingredient in first-principles models of materials behavior. This cont ...

Annual Reviews2018

Impact Impact of different capping layers on carrier injection efficiency between amorphous and crystalline silicon measured using photoluminescence

Andrea Ingenito, Gizem Nogay, Philipp Friedrich Hermann Löper

Intrinsic amorphous silicon provides excellent surface passivation on crystalline silicon. It has previously been shown, that carriers that are photo generated in the amorphous silicon can be efficiently electronically injected into the crystalline silicon ...

ELSEVIER SCIENCE BV2018

A phase-change memory model for neuromorphic computing

Irem Boybat Kara, Evangelos Eleftheriou, Abu Sebastian

Phase-change memory (PCM) is an emerging non-volatile memory technology that is based on the reversible and rapid phase transition between the amorphous and crystalline phases of certain phase-change materials. The ability to alter the conductance levels i ...

AMER INST PHYSICS2018

Provenance, workflows, and crystallographic tools in materials science: AiiDA, spglib, and seekpath

Giovanni Pizzi, Boris Kozinsky

The near-exponential expansion in computing resources over the last few decades has enabled a rapid increase in the capabilities of computational science, including applications to materials research. In order to harness the available resources and acceler ...

CAMBRIDGE UNIV PRESS2018

Carrier injection from amorphous silicon into crystalline silicon determined with photoluminescence

Andrea Ingenito, Gizem Nogay, Philipp Friedrich Hermann Löper

Intrinsic amorphous silicon provides excellent surface passivation on crystalline silicon. It has previously been shown, that carriers that are photo generated in the amorphous silicon can be efficiently electronically injected into the crystalline silicon ...

IEEE2018

Measuring carrier injection from amorphous silicon into crystalline silicon using photoluminescence

Gizem Nogay, Philipp Friedrich Hermann Löper

In devices with intrinsic amorphous silicon layer on a crystalline silicon substrate, the light absorbed in the amorphous layer can be weakly electronically coupled into the silicon base. Such carrier injection has previously been reported from measurement ...

WILEY2018

Analysis of crystalline phases and integration modelling of charge quenching yields in hybrid lead halide perovskite solar cell materials

Ulf Anders Hagfeldt

Organic inorganic metal halide perovskites (OIHPs) has emerged as promising photovoltaic materials the latest years. Many OIHPs, however, have complex material compositions with mixed cation and halide compositions, phase mixtures, as well as beneficial re ...

Elsevier Science Bv2017

Nature of electron trap states under inversion at In0.53Ga0.47As/Al2O3 interfaces

Alfredo Pasquarello, Davide Colleoni

In and Ga impurities substitutional to Al in the oxide layer resulting from diffusion out of the substrate are identified as candidates for electron traps under inversion at In0.53Ga0.47As/Al2O3 interfaces. Through density-functional calculations, these de ...

American Institute of Physics2017

Coupled 3D Dislocation Modeling at Nano- and Micro-Scales

Jaehyun Cho

The performance of crystalline materials varies depending on the considered scale. To understand the size dependence of materials properties, the interaction and evolution of defects are essential. As such, the role played by dislocations is crucial for mo ...

EPFL2017

Crystallinity

Phthalocyanines and porphyrinoid analogues as hole- and electron-transporting materials for perovskite solar cells

First-Principles Statistical Mechanics of Multicomponent Crystals

Impact Impact of different capping layers on carrier injection efficiency between amorphous and crystalline silicon measured using photoluminescence

A phase-change memory model for neuromorphic computing

Provenance, workflows, and crystallographic tools in materials science: AiiDA, spglib, and seekpath

Carrier injection from amorphous silicon into crystalline silicon determined with photoluminescence

Measuring carrier injection from amorphous silicon into crystalline silicon using photoluminescence

Analysis of crystalline phases and integration modelling of charge quenching yields in hybrid lead halide perovskite solar cell materials

Nature of electron trap states under inversion at In0.53Ga0.47As/Al2O3 interfaces

Coupled 3D Dislocation Modeling at Nano- and Micro-Scales

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Carrier injection from amorphous silicon into crystalline silicon determined with photoluminescence

Coupled 3D Dislocation Modeling at Nano- and Micro-Scales

Phthalocyanines and porphyrinoid analogues as hole- and electron-transporting materials for perovskite solar cells

First-Principles Statistical Mechanics of Multicomponent Crystals

Provenance, workflows, and crystallographic tools in materials science: AiiDA, spglib, and seekpath

A phase-change memory model for neuromorphic computing

Impact Impact of different capping layers on carrier injection efficiency between amorphous and crystalline silicon measured using photoluminescence

Analysis of crystalline phases and integration modelling of charge quenching yields in hybrid lead halide perovskite solar cell materials

Measuring carrier injection from amorphous silicon into crystalline silicon using photoluminescence

Nature of electron trap states under inversion at In0.53Ga0.47As/Al2O3 interfaces