𝔖 Bobbio Scriptorium
✦   LIBER   ✦

Thermally activated de-excitation of the EL2 metastable state in GaAs

✍ Scribed by P. Trautman; M. Kamińska; J. M. Baranowski

Publisher
John Wiley and Sons
Year
1988
Tongue
English
Weight
265 KB
Volume
23
Category
Article
ISSN
0232-1300

No coin nor oath required. For personal study only.

✦ Synopsis

Measurements of absorption in the near infrared have been performed on n-type and undoped semi-insulating GaAs containing EL2 the main native defect in GaAs. The whole band of absorption related to EL2 disappeared after 1 pm light illumination when the crystal was cooled to helium temperatures. Measurements of the thermally activated recovery of EL2 absorption have been made. The rate of the de-excitation is well described by the formula: r = 1 . 7 . 10'2. exp (-0.36 eV/kT) + 1 . 6 . . n . e x p (-0.085 eV/kT)s-1wheren. [cni-3] is the concentration of free electrons.

📜 SIMILAR VOLUMES

Energy transfer reaction between metasta
Energy transfer reaction between metastable xenon atoms and nitrogen molecules: Excitation of the N2(B 3Πg, υ′ ≤ 5) states in the afterglow
✍ T.D. Nguyen; N. Sadeghi; J.C. Pebay-Peyroula 📂 Article 📅 1974 🏛 Elsevier Science 🌐 English ⚖ 577 KB

The emission spectrum of the fust positive bands of.N? from the l\lz(B31T,, o',G 5) states was observed in the akqlow of a p&d discharge in o xenon-nitrogen mistura. The time dependence of the intensity was measured 'and simultaneously, population decay curves of the metastable Xe(3F2) level and the

Frequencies of the Franck-Condon active
Frequencies of the Franck-Condon active ag CC stretching mode in the 2 1A−g excited state of carotenoids
✍ T. Noguchi; H. Hayashi; M. Tasumi; G.H. Atkinson 📂 Article 📅 1990 🏛 Elsevier Science 🌐 English ⚖ 624 KB

Picosecond time-resolved resonance Raman spectra (C=C stretching region) of the 2 '& excited state (S, ) have been measured for B-carotene, three derivatives of B-carotene (f%-apoX-carotenal, ethyl &apo-8'-carotenoate and canthaxanthin), and five carotenoids extracted from photosynthetic bacteria (n

A CASSCF-CASPT2 study of the excited-sta
A CASSCF-CASPT2 study of the excited-state intramolecular proton transfer reaction in 1-amino-3-propenal using different active spaces
✍ For�s, Marta; Adamowicz, Ludwik 📂 Article 📅 1999 🏛 John Wiley and Sons 🌐 English ⚖ 259 KB 👁 2 views

In this work we analyze how the choice of the active space in the Ž CASSCF the complete-active-space multiconfiguration self-consistent-field . Ž method and CASPT2 the second-order perturbation theory based on the . CASSCF reference wave function calculations affects the computed potential Ž . energ