Zobrazeno 1 - 10
of 89
pro vyhledávání: '"Peter Bury"'
Autor:
Peter Bury, Marek Veveričík, František Černobila, Natália Tomašovičová, Veronika Lacková, Katarína Kónyová, Ivo Šafařík, Viktor Petrenko, Oleksandr Tomchuk, Milan Timko, Peter Kopčanský
Publikováno v:
Crystals, Vol 14, Iss 3, p 202 (2024)
A study of the role of diamond nanoparticles on 5CB liquid crystal composites with Fe3O4 nanoparticles is presented. Composite ferronematic systems based on the nematic liquid crystal 5CB doped with Fe3O4 magnetic nanoparticles and additionally bound
Externí odkaz:
https://doaj.org/article/8ef1928e466a4f118ed1aacaf6530e43
Autor:
Peter Bury, Marek Veveričík, František Černobila, Natália Tomašovičová, Veronika Lacková, Katarína Zakutanská, Milan Timko, Peter Kopčanský
Publikováno v:
Nanomaterials, Vol 13, Iss 23, p 2987 (2023)
A study on 5CB liquid crystal composites with SiO2 nanoparticles and an additional commixture with Fe3O4 nanoparticles using light transmission and SAW measurements is presented. The prepared liquid crystal composites exhibited an interesting memory
Externí odkaz:
https://doaj.org/article/527a3dcf404747498042a6c0bdc454c5
Autor:
Peter Bury, Marek Veveričík, František Černobila, Natália Tomašovičová, Milan Timko, Peter Kopčanský, Filippo Agresti, Simona Barison
Publikováno v:
Crystals, Vol 13, Iss 2, p 162 (2023)
A composite ferronematic system based on the nematic liquid crystal E7, doped with lath-like goethite magnetic nanoparticles of volume concentrations 10−3, 5 × 10−4, and 10−5, was investigated. Both surface acoustic waves (SAWs) and the magnet
Externí odkaz:
https://doaj.org/article/38d107e427e1418886af34750cad084b
Autor:
Peter Bury, Marek Veveričík, František Černobila, Natália Tomašovičová, Katarína Zakuťanská, Peter Kopčanský, Milan Timko, Markéta Jarošová
Publikováno v:
Nanomaterials, Vol 12, Iss 14, p 2463 (2022)
The effect of magnetic nanoparticles size and concentration on nematic liquid crystal (NLC) behavior in a magnetic field was investigated. The magneto-optical investigation using measurements of the light transmission through the liquid crystal was u
Externí odkaz:
https://doaj.org/article/bfd22400f01f42e88f17362733369240
Autor:
Peter Bury, Marek Veveričík, František Černobila, Matúš Molčan, Katarína Zakuťanská, Peter Kopčanský, Milan Timko
Publikováno v:
Nanomaterials, Vol 11, Iss 10, p 2643 (2021)
The effect of the liquid crystalline host on structural changes in magnetosomes based on ferronematics is studied using the surface acoustic wave (SAW) technique supported by some capacitance and light transmission measurements. The measurement of th
Externí odkaz:
https://doaj.org/article/0b1bd7ceee934f02a7a229e2c67ce90e
Publikováno v:
Materials, Vol 14, Iss 9, p 2406 (2021)
Forgings produced in industry are an irreplaceable basis for subsequent elaborating on machine tools. The quality of the semi-finished product produced by forging is a necessary prerequisite for ensuring the final quality of the final product because
Externí odkaz:
https://doaj.org/article/eb270f0573e146a6a7cd0c710c414cf7
Autor:
Peter Bury, Marek Veveričík, Peter Kopčanský, Milan Timko, Ihor P. Studenyak, Artem I. Pogodin
Publikováno v:
Crystals, Vol 11, Iss 4, p 413 (2021)
The effect of two types of superionic nanoparticles; Cu7GeS5I and Ag7GeS5I, respectively on nematic liquid crystal (6CB) behavior under an external electric field is investigated. The response of both attenuation of surface acoustic waves propagating
Externí odkaz:
https://doaj.org/article/caaa1877997346f6ae75597222299625
Publikováno v:
Communications, Vol 19, Iss 3, Pp 51-56 (2017)
The acoustic spectroscopy is used to study properties and changes in structural arrangement in silicone oil based magneto-rheological fluids with carbonyl iron particles upon the effect of an external magnetic field. Attenuation spectra at three temp
Externí odkaz:
https://doaj.org/article/ad79f631785f47ea911b34cd6f9dc9cb
Autor:
Peter Bury, Marek Veveričík, František Černobila, Peter Kopčanský, Milan Timko, Vlasta Závišová
Publikováno v:
Crystals, Vol 10, Iss 11, p 1023 (2020)
The surface acoustic waves (SAWs) were used to study the effect of magnetic nanoparticles on nematic liquid crystal (NLC) behavior in weak magnetic and electric fields. The measurement of the attenuation of SAW propagating along the interface between
Externí odkaz:
https://doaj.org/article/79513c86247647b48c09c33a28822a6f
Publikováno v:
Communications, Vol 16, Iss 1, Pp 45-49 (2014)
The acoustic attenuation spectroscopy in connection with conductivity and dielectric relaxation spectroscopy can be useful techniques for the study of relaxation processes and transport mechanisms in Li+ ion conducting glasses. A theoretical model an
Externí odkaz:
https://doaj.org/article/70239944f09346ff8219543935f99ec0