Title :
Tuning exchange interaction in colloidal nanocrystals
Author :
Rohrmoser, Stefan ; Susha, Andrei ; Rogach, Andrey ; Talapin, Dmitri ; Weller, Horst ; Harley, Richard T. ; Lagoudakis, Pavlos G.
Author_Institution :
Sch. of Phys. & Astron., Univ. of Southampton, Southampton
Abstract :
We tune the exchange interaction in nanocrystals by manipulating the electron-hole wavefunction overlap under external electric fields and simultaneously probe the electronic structure and rich transient dynamics under strong magnetic fields (8 T).
Keywords :
II-VI semiconductors; band structure; cadmium compounds; exchange interactions (electron); excitons; nanostructured materials; wide band gap semiconductors; CdSe-CdS; colloidal nanocrystals; electron-hole wavefunction; electronic structure; exchange interaction; excitonic states; external electric fields; magnetic flux density 8 T; transient dynamics; Elementary particle exchange interactions; Nanocrystals;
Conference_Titel :
Lasers and Electro-Optics, 2008 and 2008 Conference on Quantum Electronics and Laser Science. CLEO/QELS 2008. Conference on
Conference_Location :
San Jose, CA
Print_ISBN :
978-1-55752-859-9
