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Showing 1 to 12 of 134 entries
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Fabrication of Hybrid Nanostructures via Nanoscale Laser-Induced Reshaping for Advanced Light Manipulation.

Advanced materials (Deerfield Beach, Fla.)

Zuev DA, Makarov SV, Mukhin IS, Milichko VA, Starikov SV, Morozov IA, Shishkin II, Krasnok AE, Belov PA.
PMID: 26901635
Adv Mater. 2016 Apr;28(16):3087-93. doi: 10.1002/adma.201505346. Epub 2016 Feb 22.

Ordered hybrid nanostructures for nanophotonics applications are fabricated by a novel approach via femtosecond laser melting of asymmetric metal-dielectric (Au/Si) nanoparticles created by lithographical methods. The approach allows selective reshaping of the metal components of the hybrid nanoparticles without...

Layer-preferential substitutions and magnetic properties of pyrrhotite-type Fe7-yMyX8 chalcogenides (X = S, Se; M = Ti, Co).

Journal of physics. Condensed matter : an Institute of Physics journal

Baranov NV, Ibrahim PN, Selezneva NV, Gubkin AF, Volegov AS, Shishkin DA, Keller L, Sheptyakov D, Sherstobitova EA.
PMID: 26125410
J Phys Condens Matter. 2015 Jul 22;27(28):286003. doi: 10.1088/0953-8984/27/28/286003. Epub 2015 Jun 30.

A comparative study of four series of pyrrhotite-type chalcogenide compounds Fe(7-y)M(y)X(8) (X = S, Se) with substitution of Ti or Co for iron has been performed by means of x-ray and neutron powder diffraction, and by magnetization measurements. In...

Dark-field imaging as a noninvasive method for characterization of whispering gallery modes in microdisk cavities.

Optics letters

Baranov DA, Samusev KB, Shishkin II, Samusev AK, Belov PA, Bogdanov AA.
PMID: 26872179
Opt Lett. 2016 Feb 15;41(4):749-52. doi: 10.1364/OL.41.000749.

Whispering gallery mode microdisk cavities fabricated by direct laser writing are studied using dark-field imaging and spectroscopy in the visible spectral range. Dark-field imaging allows us to directly visualize the spatial intensity distribution of whispering gallery modes. We extract...

Merging of Landau levels in a strongly interacting two-dimensional electron system in silicon.

Physical review letters

Shashkin AA, Dolgopolov VT, Clark JW, Shaginyan VR, Zverev MV, Khodel VA.
PMID: 24856708
Phys Rev Lett. 2014 May 09;112(18):186402. doi: 10.1103/PhysRevLett.112.186402. Epub 2014 May 08.

We show that the merging of the spin- and valley-split Landau levels at the chemical potential is an intrinsic property of a strongly interacting two-dimensional electron system in silicon. Evidence for the level merging is given by available experimental...

Direct synthesis of a {Co₆(III)Fe₆(III)} dodecanuclear complex, revealing an unprecedented molecular structure type.

Dalton transactions (Cambridge, England : 2003)

Chygorin EN, Kokozay VN, Omelchenko IV, Shishkin OV, Titiš J, Boča R, Nesterov DS.
PMID: 25992842
Dalton Trans. 2015 Jun 28;44(24):10918-22. doi: 10.1039/c5dt01149c. Epub 2015 May 20.

A novel heterometallic Co6Fe6 Schiff base complex, possessing an unprecedented {M12(μ-X)22} branched structure (according to the search via the Cambridge Structural Database), has been prepared using the "direct synthesis" approach and characterized by single crystal X-ray diffraction and magnetometry.

Terahertz time-domain electro-optic measurements by femtosecond laser pulses with an edge-cut spectrum.

Optics letters

Ilyakov IE, Kitaeva GKh, Shishkin BV, Akhmedzhanov RA.
PMID: 27367085
Opt Lett. 2016 Jul 01;41(13):2998-3001. doi: 10.1364/OL.41.002998.

Balanced electro-optic detection techniques of terahertz wave radiation are proposed based on variations of the energy and ellipticity of laser pulses with an edge-cut spectrum. The techniques are compared with the standard electro-optic detection scheme utilizing laser pulses with...

[An important stage in the development of Soviet health service planning].

Sovetskoe zdravookhranenie

Shishkin AP.
PMID: 7046078
Sov Zdravookhr. 1982;(3):61-4.

No abstract available.

Azatriquinanes: Synthesis, Structure, and Reactivity.

The Journal of organic chemistry

Hext NM, Hansen J, Blake AJ, Hibbs DE, Hursthouse MB, Shishkin OV, Mascal M.
PMID: 11672206
J Org Chem. 1998 Aug 21;63(17):6016-6020. doi: 10.1021/jo980788s.

Azatriquinane, a tricyclic amine with rigid, hemispherical topology, is synthesized in six steps from pyrrole. This first example of a [2.2.2]cyclazine can be oxidatively dimerized to a novel, highly strained heptacycle or oxidized with chlorine to give an azatriquinacene,...

[Results of work of opthalmologic interns and of 5th year students in a rural center].

Vestnik oftalmologii

EROSHEVSKII TI, SHISHKIN PA.
PMID: 13090480
Vestn Oftalmol. 1953 May-Jun;32(3):15-7.

No abstract available.

Comment on "low-density spin susceptibility and effective mass of mobile electrons in Si inversion layers".

Physical review letters

Kravchenko SV, Shashkin AA, Dolgopolov VT.
PMID: 12443453
Phys Rev Lett. 2002 Nov 18;89(21):219701; author reply 219702. doi: 10.1103/PhysRevLett.89.219701. Epub 2002 Nov 04.

No abstract available.

Quantization of the Hall conductivity well beyond the adiabatic limit in pulsed magnetic fields.

Physical review letters

Dolgopolov VT, Shashkin AA, Broto JM, Rakoto H, Askenazy S.
PMID: 11415302
Phys Rev Lett. 2001 Jun 11;86(24):5566-9. doi: 10.1103/PhysRevLett.86.5566.

We measure the Hall conductivity, sigma(xy), on a Corbino geometry sample of a high-mobility AlGaAs/GaAs heterostructure in a pulsed magnetic field. At a bath temperature about 80 mK, we observe well expressed plateaux in sigma(xy) at integer filling factors....

Stimulated scattering of indirect excitons in coupled quantum wells: signature of a degenerate Bose-gas of excitons.

Physical review letters

Butov LV, Ivanov AL, Imamoglu A, Littlewood PB, Shashkin AA, Dolgopolov VT, Campman KL, Gossard AC.
PMID: 11415313
Phys Rev Lett. 2001 Jun 11;86(24):5608-11. doi: 10.1103/PhysRevLett.86.5608.

We observe and analyze strongly nonlinear photoluminescence kinetics of indirect excitons in GaAs/AlGaAs coupled quantum wells at low bath temperatures, > or = 50 mK. The long recombination lifetime of indirect excitons promotes accumulation of these Bose particles in...

Showing 1 to 12 of 134 entries