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Showing 1 to 12 of 225 entries
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[Basic problems of the pathogenesis, clinical aspects, treatment and prevention of diabetes mellitus].

Vestnik Akademii meditsinskikh nauk SSSR

Baranov VG.
PMID: 5386216
Vestn Akad Med Nauk SSSR. 1969;24(8):15-28.

No abstract available.

Lasing induced by resonant absorption.

Optics express

Nechepurenko IA, Baranov DG, Dorofeenko AV.
PMID: 26367894
Opt Express. 2015 Aug 10;23(16):20394-401. doi: 10.1364/OE.23.020394.

We theoretically demonstrate that increase of absorption with constant gain in laser systems can lead to onset of laser generation. This counterintuitive absorption induced lasing (AIL) is explained by emergence of additional lasing modes created by an introduction of...

Giant Optical Activity of Quantum Dots, Rods, and Disks with Screw Dislocations.

Scientific reports

Baimuratov AS, Rukhlenko ID, Noskov RE, Ginzburg P, Gun'ko YK, Baranov AV, Fedorov AV.
PMID: 26424498
Sci Rep. 2015 Oct 01;5:14712. doi: 10.1038/srep14712.

For centuries mankind has been modifying the optical properties of materials: first, by elaborating the geometry and composition of structures made of materials found in nature, later by structuring the existing materials at a scale smaller than the operating...

On the transferability of electron density in binary vanadium borides VB, V3B4 and VB2.

Acta crystallographica Section B, Structural science, crystal engineering and materials

Terlan B, Akselrud L, Baranov AI, Borrmann H, Grin Y.
PMID: 26634735
Acta Crystallogr B Struct Sci Cryst Eng Mater. 2015 Dec 01;71:777-87. doi: 10.1107/S2052520615018363. Epub 2015 Dec 01.

Binary vanadium borides are suitable model systems for a systematic analysis of the transferability concept in intermetallic compounds due to chemical intergrowth in their crystal structures. In order to underline this structural relationship, topological properties of the electron density...

Chiral quantum supercrystals with total dissymmetry of optical response.

Scientific reports

Baimuratov AS, Gun'ko YK, Baranov AV, Fedorov AV, Rukhlenko ID.
PMID: 26991549
Sci Rep. 2016 Mar 18;6:23321. doi: 10.1038/srep23321.

Since chiral nanoparticles are much smaller than the optical wavelength, their enantiomers show little difference in the interaction with circularly polarized light. This scale mismatch makes the enhancement of enantioselectivity in optical excitation of nanoobjects a fundamental challenge in...

A metallic room-temperature oxide ion conductor.

Angewandte Chemie (International ed. in English)

Heise M, Rasche B, Isaeva A, Baranov AI, Ruck M, Schäfer K, Pöttgen R, Eufinger JP, Janek J.
PMID: 24866268
Angew Chem Int Ed Engl. 2014 Jul 07;53(28):7344-8. doi: 10.1002/anie.201402244. Epub 2014 May 27.

Nanoparticles of Bi3 Ir, obtained from a microwave-assisted polyol process, activate molecular oxygen from air at room temperature and reversibly intercalate it as oxide ions. The closely related structures of Bi3 Ir and Bi3 IrOx (x≤2) were investigated by...

The influence of phthalocyanine aggregation in complexes with CdSe/ZnS quantum dots on the photophysical properties of the complexes.

Beilstein journal of nanotechnology

Martynenko IV, Orlova AO, Maslov VG, Fedorov AV, Berwick K, Baranov AV.
PMID: 27547619
Beilstein J Nanotechnol. 2016 Jul 13;7:1018-27. doi: 10.3762/bjnano.7.94. eCollection 2016.

The formation of nonluminescent aggregates of aluminium sulfonated phthalocyanine in complexes with CdSe/ZnS quantum dots causes a decrease of the intracomplex energy transfer efficiency with increasing phthalocyanine concentration. This was confirmed by steady-state absorption and photoluminescent spectroscopy. A corresponding...

Excitons in gyrotropic quantum-dot supercrystals.

Optics letters

Baimuratov AS, Shlykov AI, Zhu W, Leonov MY, Baranov AV, Fedorov AV, Rukhlenko ID.
PMID: 28957249
Opt Lett. 2017 Jul 01;42(13):2423-2426. doi: 10.1364/OL.42.002423.

We use quantum theory of molecular crystals to study collective excitations (excitons) of gyrotropic quantum-dot (QD) supercrystals with complex lattices consisting of two or more sublattices of semiconductor QDs. We illustrate the potentials of our approach by applying it...

Intermittency route to chaos and broadband high-frequency generation in semiconductor superlattice coupled to external resonator.

Physical review. E, Statistical, nonlinear, and soft matter physics

Hramov AE, Makarov VV, Maximenko VA, Koronovskii AA, Balanov AG.
PMID: 26382480
Phys Rev E Stat Nonlin Soft Matter Phys. 2015 Aug;92(2):022911. doi: 10.1103/PhysRevE.92.022911. Epub 2015 Aug 19.

We investigate the onset of broadband microwave chaos in the miniband semiconductor superlattice coupled to an external resonator. Our analysis shows that the transition to chaos, which is confirmed by calculation of Lyapunov exponents, is associated with the intermittency...

Fluorescence energy transfer in quantum dot/azo dye complexes in polymer track membranes.

Nanoscale research letters

Gromova YA, Orlova AO, Maslov VG, Fedorov AV, Baranov AV.
PMID: 24172215
Nanoscale Res Lett. 2013 Oct 31;8(1):452. doi: 10.1186/1556-276X-8-452.

Fluorescence resonance energy transfer in complexes of semiconductor CdSe/ZnS quantum dots with molecules of heterocyclic azo dyes, 1-(2-pyridylazo)-2-naphthol and 4-(2-pyridylazo) resorcinol, formed at high quantum dot concentration in the polymer pore track membranes were studied by steady-state and transient...

Loss compensation by spasers in plasmonic systems.

Optics express

Andrianov ES, Baranov DG, Pukhov AA, Dorofeenko AV, Vinogradov AP, Lisyansky AA.
PMID: 23736600
Opt Express. 2013 Jun 03;21(11):13467-78. doi: 10.1364/OE.21.013467.

We show that in plasmonic systems, exact loss compensation can be achieved with the help of spasers pumped over a wide range of pumping values both below and above the spasing threshold. We demonstrate that the difference between spaser...

Hydrogen: a relevant shallow donor in zinc oxide.

Physical review letters

Hofmann DM, Hofstaetter A, Leiter F, Zhou H, Henecker F, Meyer BK, Orlinskii SB, Schmidt J, Baranov PG.
PMID: 11801137
Phys Rev Lett. 2002 Jan 28;88(4):045504. doi: 10.1103/PhysRevLett.88.045504. Epub 2002 Jan 10.

Electron paramagnetic resonance and Hall measurements show consistently the presence of two donors ( D1 and D2) in state-of-the-art, nominally undoped ZnO single crystals. Using electron nuclear double resonance it is found that D1 shows hyperfine interaction with more...

Showing 1 to 12 of 225 entries