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Showing 1 to 12 of 13 entries
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[Universal electrocardiographic belt for precordial leads].

Meditsinskaia tekhnika

Dzhogan IM.
PMID: 593107
Med Tekh. 1977 Nov-Dec;(6):34-5.

For recording ECG in precardial leads sucker electrodes which have a limited application and short service life are employed most often. A construction of an elastic belt for precardial leads, suitable for examination of adults and children in any...

The role of a plasmonic substrate on the enhancement and spatial resolution of tip-enhanced Raman scattering.

Faraday discussions

Rahaman M, Milekhin AG, Mukherjee A, Rodyakina EE, Latyshev AV, Dzhagan VM, Zahn DRT.
PMID: 30839033
Faraday Discuss. 2019 May 01;214:309-323. doi: 10.1039/c8fd00142a. Epub 2019 Mar 04.

Since the first report in the early 2000s, there have been several experimental configurations that have demonstrated enhancement and spatial resolution of tip-enhanced Raman spectroscopy (TERS). The combination of a plasmonic substrate and a metallic tip is one suitable...

Hybrid N-Butylamine-Based Ligands for Switching the Colloidal Solubility and Regimentation of Inorganic-Capped Nanocrystals.

ACS nano

Sayevich V, Guhrenz C, Dzhagan VM, Sin M, Werheid M, Cai B, Borchardt L, Widmer J, Zahn DR, Brunner E, Lesnyak V, Gaponik N, Eychmüller A.
PMID: 28052188
ACS Nano. 2017 Feb 28;11(2):1559-1571. doi: 10.1021/acsnano.6b06996. Epub 2017 Jan 18.

We report on a simple and effective technique of tuning the colloidal solubility of inorganic-capped CdSe and CdSe/CdS core/shell nanocrystals (NCs) from highly polar to nonpolar media using n-butylamine molecules. The introduction of the short and volatile organic amine...

Nanostructured Silver Substrates With Stable and Universal SERS Properties: Application to Organic Molecules and Semiconductor Nanoparticles.

Nanoscale research letters

Chursanova MV, Dzhagan VM, Yukhymchuk VO, Lytvyn OS, Valakh MY, Khodasevich IA, Lehmann D, Zahn DR, Waurisch C, Hickey SG.
PMID: 20672091
Nanoscale Res Lett. 2009 Nov 27;5(2):403-9. doi: 10.1007/s11671-009-9496-2.

Nanostructured silver films have been prepared by thermal deposition on silicon, and their properties as SERS substrates investigated. The optimal conditions of the post-growth annealing of the substrates were established. Atomic force microscopy study revealed that the silver films...

Size effects on Raman spectra of small CdSe nanoparticles in polymer films.

Nanotechnology

Dzhagan VM, Ya Valakh M, Raevskaya AE, Stroyuk AL, Kuchmiy SY, Zahn DR.
PMID: 21828774
Nanotechnology. 2008 Jul 30;19(30):305707. doi: 10.1088/0957-4484/19/30/305707. Epub 2008 Jun 16.

The results of a resonant Raman scattering (RRS) study of polymer-stabilized colloidal CdSe nanoparticles (NPs) are reported. The size-selective nature of the RRS is demonstrated by analysing the NP ensembles with different average size [Formula: see text] and size...

Raman spectroscopy of Cu-Sn-S ternary compound thin films prepared by the low-cost spray-pyrolysis technique.

Applied optics

Brus VV, Babichuk IS, Orletskyi IG, Maryanchuk PD, Yukhymchuk VO, Dzhagan VM, Yanchuk IB, Solovan MM, Babichuk IV.
PMID: 27140123
Appl Opt. 2016 Apr 20;55(12):B158-62. doi: 10.1364/AO.55.00B158.

Cu-Sn-S (CTS) thin films were deposited onto bare and molybdenum (Mo) coated glass substrates by means of the spray pyrolysis technique under different conditions. The CTS thin films obtained are shown, by means of Raman spectroscopy, to consist of...

Fermi resonance in the phonon spectra of quaternary chalcogenides of the type Cu2ZnGeS4.

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

Valakh MY, Litvinchuk AP, Dzhagan VM, Yukhymchuk VO, Yaremko AM, Romanyuk YA, Guc M, Bodnar IV, Pérez-Rodríguez A, Zahn DR.
PMID: 26795711
J Phys Condens Matter. 2016 Feb 17;28(6):065401. doi: 10.1088/0953-8984/28/6/065401. Epub 2016 Jan 21.

The experimental resonant and non-resonant Raman scattering spectra of the kesterite structural modification of Cu2ZnGeS4 single crystals are reported. The results are compared with those calculated theoretically within the density functional perturbation theory. For the majority of lines a...

The influence of shell parameters on phonons in core-shell nanoparticles: a resonant Raman study.

Nanotechnology

Dzhagan VM, Valakh MY, Raevska OE, Stroyuk OL, Kuchmiy SY, Zahn DR.
PMID: 19687558
Nanotechnology. 2009 Sep 09;20(36):365704. doi: 10.1088/0957-4484/20/36/365704. Epub 2009 Aug 18.

The effect of shells of various thicknesses on the vibrational resonant Raman spectra of CdSe/ZnS core-shell nanoparticles is studied. The dependence of the core-shell structure on the method of shell deposition is derived from a comparison of the vibrational...

Surface-enhanced Raman scattering by colloidal CdSe nanocrystal submonolayers fabricated by the Langmuir-Blodgett technique.

Beilstein journal of nanotechnology

Milekhin AG, Sveshnikova LL, Duda TA, Rodyakina EE, Dzhagan VM, Gordan OD, Veber SL, Himcinschi C, Latyshev AV, Zahn DR.
PMID: 26734529
Beilstein J Nanotechnol. 2015 Dec 14;6:2388-95. doi: 10.3762/bjnano.6.245. eCollection 2015.

We present the results of an investigation of surface-enhanced Raman scattering (SERS) by optical phonons in colloidal CdSe nanocrystals (NCs) homogeneously deposited on both arrays of Au nanoclusters and Au dimers using the Langmuir-Blodgett technique. The coverage of the...

Giant gap-plasmon tip-enhanced Raman scattering of MoS.

Nanoscale

Milekhin AG, Rahaman M, Rodyakina EE, Latyshev AV, Dzhagan VM, Zahn DRT.
PMID: 29308796
Nanoscale. 2018 Feb 08;10(6):2755-2763. doi: 10.1039/c7nr06640f.

In this article, we present the results of a gap-plasmon tip-enhanced Raman scattering study of MoS

Surface- and tip-enhanced resonant Raman scattering from CdSe nanocrystals.

Physical chemistry chemical physics : PCCP

Sheremet E, Milekhin AG, Rodriguez RD, Weiss T, Nesterov M, Rodyakina EE, Gordan OD, Sveshnikova LL, Duda TA, Gridchin VA, Dzhagan VM, Hietschold M, Zahn DR.
PMID: 25566587
Phys Chem Chem Phys. 2015 Sep 07;17(33):21198-203. doi: 10.1039/c4cp05087h. Epub 2015 Jan 07.

Surface- and tip-enhanced resonant Raman scattering (resonant SERS and TERS) by optical phonons in a monolayer of CdSe quantum dots (QDs) is demonstrated. The SERS enhancement was achieved by employing plasmonically active substrates consisting of gold arrays with varying...

Resonant plasmon enhancement of light emission from CdSe/CdS nanoplatelets on Au nanodisk arrays.

The Journal of chemical physics

Milekhin IA, Anikin KV, Rahaman M, Rodyakina EE, Duda TA, Saidzhonov BM, Vasiliev RB, Dzhagan VM, Milekhin AG, Batsanov SA, Gutakovskii AK, Latyshev AV, Zahn DRT.
PMID: 33138402
J Chem Phys. 2020 Oct 28;153(16):164708. doi: 10.1063/5.0025572.

Semiconducting nanoplatelets (NPLs) have attracted great attention due to the superior photophysical properties compared to their quantum dot analogs. Understanding and tuning the optical and electronic properties of NPLs in a plasmonic environment is a new paradigm in the...

Showing 1 to 12 of 13 entries