G Pozina
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Explore the profile of G Pozina including associated specialties, affiliations and a list of published articles.
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10
Citations
29
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Recent Articles
1.
Morozov K, Girshova E, Gubaidullin A, Ivanov K, Pozina G, Kaliteevski M
J Phys Condens Matter
. 2018 Sep;
30(43):435304.
PMID: 30215612
We demonstrate that disorder in photonic crystals could lead to pronounced modification of spontaneous emission rate in the frequency region corresponding to the photonic band gap (PBG). Depending on the...
2.
Gubaydullin A, Symonds C, Bellessa J, Ivanov K, Kolykhalova E, Sasin M, et al.
Sci Rep
. 2017 Aug;
7(1):9014.
PMID: 28827784
It was theoretically and experimentally demonstrated that in metal/semiconductor Tamm plasmon structures the probability of spontaneous emission can be increased despite losses in metal, and theoretical analysis of experimental results...
3.
Pozina G, Forsberg M, Kaliteevski M, Hemmingsson C
Sci Rep
. 2017 Feb;
7:42132.
PMID: 28176841
In the quest of developing high performance electronic and optical devices and more cost effective fabrication processes of monoclinic β-GaO, new growth techniques and fundamental electronic and optical properties of...
4.
Shubina T, Pozina G, Jmerik V, Davydov V, Hemmingsson C, Andrianov A, et al.
Sci Rep
. 2015 Dec;
5:17970.
PMID: 26656267
Rapidly developing nanophotonics needs microresonators for different spectral ranges, formed by chip-compatible technologies. In addition, the tunable ones are much in demand. Here, we present site-controlled III-nitride monocrystal cup-cavities grown...
5.
Pozina G, Kaliteevski M, Nikitina E, Denisov D, Polyakov N, Pirogov E, et al.
Sci Rep
. 2015 Oct;
5:14911.
PMID: 26456523
We report direct experimental evidence of the collective super-radiant mode in Bragg structure containing 60 InAs monolayer-based quantum wells (QWs) periodically arranged in GaAs matrix. Time-resolved photoluminescence measurements reveal an...
6.
Forsberg M, Serban A, Poenaru I, Hsiao C, Junaid M, Birch J, et al.
Nanotechnology
. 2015 Aug;
26(35):355203.
PMID: 26267041
Optical and structural properties are presented for GaN nanorods (NRs) grown in the [0001] direction on Si(111) substrates by direct-current reactive magnetron sputter epitaxy. Transmission electron microscopy (TEM) reveals clusters...
7.
Kaliteevski M, Ivanov K, Pozina G, Gallant A
Sci Rep
. 2014 Jun;
4:5444.
PMID: 24962234
The influence of the surrounding cavity on the efficiency of different types of polaritonic emitters of THz radiation has been analysed. It is demonstrated that THz lasing threshold in realistic...
8.
Khromov S, Gregorius D, Schiller R, Losch J, Wahl M, Kopnarski M, et al.
Nanotechnology
. 2014 Jun;
25(27):275701.
PMID: 24960447
Atom probe tomography studies on highly Mg-doped homoepitaxial GaN (0001) layers with concentrations of 5 × 10(19) cm(-3) and 1 × 10(20) cm(-3) were performed. Mg cluster formation was observed...
9.
Monemar B, Paskov P, Pozina G, Hemmingsson C, Bergman J, Kawashima T, et al.
Phys Rev Lett
. 2009 Aug;
102(23):235501.
PMID: 19658946
The optical signatures of Mg-related acceptors in GaN have been revisited in samples specifically grown on bulk GaN templates, to avoid strain broadening of the optical spectra. Bound-exciton spectra can...
10.
Shubina T, Glazov M, Toropov A, Gippius N, Vasson A, Leymarie J, et al.
Phys Rev Lett
. 2008 Mar;
100(8):087402.
PMID: 18352663
We report on a strong delay in light propagation through bulk GaN, detected by time-of-flight spectroscopy. The delay increases resonantly as the photon energy approaches the energy of a neutral-donor...