4 papers
Photoinduced electrification of solids: II. Photovoltage transients
M. Georgiev, O. Ivanov
In relevance to the photoelectrification mechanisms proposed in Part I, we derive rate equations for the negative-u and STE photoelectrification modes and solve them under conditio…
Photoinduced electrification of solids: I. Plausible mechanisms
O. Ivanov, R. Dyulgerova, M. Georgiev
Experiments carried out at our laboratories have led to observing a new type of electrification, now called surface photocharging. For a consistent description, we are weighing car…
Itinerant vibronic polarons: A Merrifield approach I. Low energy range calculations
S. G. Tsintsarska, M. D. Ivanovich, A. Andreev +3
We extend Merrifield's Variational Ansatz in the variational band theory of polarons to cover a frame of two electronic bands mixed by an Einstein phonon. The Hamiltonian is compos…
The O-M-O triatomic molecule: Basic unit of cuprates & manganates
S. Tsintsarska, M. D. Ivanovich, M. Georgiev +1
The O(oxygen)-M(metal)-O(oxygen) molecule is a basic unit of high-temperature superconducting cuprates and colossal magnetoresistance exhibiting manganates. This molecule can be re…