Charge transport and excited states in organic semiconductors [PDF]
PhDOrganic semiconductors are of increasing technological interest in applications such as light emitting diodes, field effect transistors, and photovoltaic devices In order to reveal the basic principles behind these organic semiconductors, charge ...
Song, Jingyao
core
Spectral evidence for a condensate of dark excitons in a trap [PDF]
Cotutela Universitat Politècnica de Catalunya i Université Pierre et Marie CurieSpatially indirect excitons, being composite bosons, are attractive candidates to explore correlated many-body systems. They possess an inherent large electric dipole, a four-
Beian, Mussie
core +1 more source
Understand the Growth and Magnetic Ordering in Cuprate-Manganite Superconducting Sandwiches [PDF]
Between two pieces of bread is a world of unlimited possibilities to discover exciting new flavours. As scientists with access to advanced layering technologies, we procure our own sandwiches with atomic-level precision, creating thin-film multilayers ...
Chan, Andrew
core
Degradation mechanisms in AlGaN/GaN HEMTs submitted to off and on-state stress conditions [PDF]
This paper describes a deep investigation of the degradation mechanisms induced by off-state and on-state stress in AlGaN/GaN HEMTs. Concerning reverse-bias degradation, results underline that the exposure to reverse-bias stress can induce (i) a ...
ZANONI, ENRICO +3 more
core
Des spectres à l'énergie totale : au-delà de l'approximation GW pour concevoir des interactions effectives. [PDF]
Le monde qui nous entoure est composé de systèmes à nombreuses particules interagissantes, ce qui est essentiel pour comprendre la nature de notre réalité.
El sahili, Abdallah
core +6 more sources
Characterization of metallic and insulating properties of low-dimensional systems [PDF]
Dans cette thèse nous avons étudié des indicateurs visant à caractériser les propriétés métalliques ou isolantes de systèmes de basse dimensionnalité à partir de calculs théoriques basés sur la fonction d'onde.
El Khatib, Muammar
core
Caractérisation des propriétés métalliques et isolantes pour des systèmes de basse dimensionalité [PDF]
Dans cette thèse nous avons étudié des indicateurs visant à caractériser les propriétés métalliques ou isolantes de systèmes de basse dimensionnalité à partir de calculs théoriques basés sur la fonction d'onde.
El Khatib, Muammar
core
Etude des propriétés magnétiques des matériaux à bases des métaux de transition sous forme de poudre (AúBO¤) et monocristaux (RMX¥) [PDF]
The manuscript presents the work on the structural, electrical and magnetic materials manganites poly-crystalline manganites that have a growing industrial interest due to its many applications and the complexity of fundamental point of view, these ...
Issaoui, Fatma
core +1 more source
Effect of sodium rich pretreatments and processing conditions on microstructure and property evolution of sodium cobalt oxide thermoelectric materials [PDF]
Global environmental and sustainability issues have led to a growth in interest in oxide based thermoelectric materials. Sodium cobalt oxide, which presents low toxicity, is one of the most promising p-type thermoelectric materials for high temperature ...
Jakubczyk, Ewa
core
Effects of external fields and interfaces on the electronic and magnetic properties of oxide-based devices [PDF]
En el campo de la espintrónica, los efectos de ruptura de simetría en superficies e interfaces de heteroestructuras a base de óxidos continuan siendo de gran interés para la comunidad científica debido a que presentan una gran diversidad de fases ...
Carreira, Santiago José
core +3 more sources

