Buscar
Mostrando ítems 561-570 de 1632
Temperature shift of intraband absorption peak in tunnel-coupled QW structure
An experimental study of the intersubband light absorption by the 100-period GaAs/Al0.25Ga0.75As double quantum well heterostructure doped with silicon is reported and interpreted. Small temperature redshift of the 1–3 ...
Unoccupied electronic states of Ru(0001)
This report presents a combined theoretical and experimental description of the unoccupied electronic states of Ru(0001), along the ΓM high symmetry direction of the Brillouin zone. A direct comparison between angleresolved ...
ARIMAX-EGARCH quantitative model for prediction of the Colombian exchange rate (COP/USD) [Modelo cuantitativo ARIMAX- EGARCH para la predicción de la tasa de cambio colombiana (COP/USD)]
COP/USD exchange rate is a very important variable for financial planning of Colombian companies expose to exchange rate risk. Therefore, the ability to generate forecasts and have a tool for decision making becomes ...