Zobrazeno 1 - 10
of 31
pro vyhledávání: '"Karlis Bormanis"'
Autor:
Karlis Bormanis, Ilze Smeltere, Maija Antonova, Barbara Garbarz-Glos, Anna Kalvane, A. I. Burkhanov
Publikováno v:
Phase Transitions. 90:54-59
A study of the effects of ageing history on the electrical properties of lead-free ferroelectric ceramics of (K0.5Na0.5)(Nb1−xSbx)O3 + 0.5 mol% MnO2 and (K0.5Na0.5)(Nb1−xTax)O3 + 0.5 mol%MnO2 for x = 0.05 is reported. The samples after storage at
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::18d3903ad9677dc66b0936775a4f6ea9
https://doi.org/10.1080/01411594.2016.1201822
https://doi.org/10.1080/01411594.2016.1201822
Autor:
Ieva Kranauskaitė, Š. Bagdzevičius, Karlis Bormanis, Jūras Banys, Andris Sternberg, Robertas Grigalaitis
Publikováno v:
Ferroelectrics. 497:24-33
In this work lattice strain (induced by chemical Bi substitution on A-site) effects on the lattice dynamic of SrTiO3 ceramics were investigated by broadband dielectric spectroscopy in the very broad frequency range from 10 mHz up to 30 GHz and temper
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::2dc4355fa0eb004bb2d7c01734338836
https://doi.org/10.1080/00150193.2016.1161464
https://doi.org/10.1080/00150193.2016.1161464
Autor:
Stanislav Kamba, Jan Macutkevic, Andris Sternberg, Kazimieras Glemza, Juras Banys, Karlis Bormanis
Publikováno v:
physica status solidi (b). 256:1900050
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::5c537066b2a0636eb37148ca9a85574f
https://doi.org/10.1002/pssb.201900050
https://doi.org/10.1002/pssb.201900050
Publikováno v:
Solid State Ionics. 225:667-671
Electric properties of sodium potassium niobate ceramic doped antimony (Na0.5K0.5)(Nb0.93Sb0.07)O3 with sintering aid MnO2 (0.5 mol% MnO2) (KNNSbx + 0.5Mn) were investigated in a broad frequency (from 1 Hz to 54 GHz) and temperature (from 110 K to 80
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::1e46a2b94956b34c501ef10b256222c4
https://doi.org/10.1016/j.ssi.2012.03.024
https://doi.org/10.1016/j.ssi.2012.03.024
Publikováno v:
Ferroelectrics. 428:14-19
In this work we present dielectric permittivity measurement results of KNN ceramic doped antimony (K0.5Na0.5)(Nb0.92Sb0.08)O3 with sintering aid MnO2 (0.5 mol% MnO2) (KNNSbx + 0.5Mn). Its dielectric properties were investigated in broad frequency (fr
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::86d338204b53760f45ddaa5abc25cd8d
https://doi.org/10.1080/00150193.2012.675261
https://doi.org/10.1080/00150193.2012.675261
Publikováno v:
Integrated Ferroelectrics. 123:148-152
Comparative studies of different techniques and the synthesis of single-phase granulated mixtures of high density essentially improving technical and economical parameters of lithium niobate single crystal technology are reported. Efficiency of using
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::c68fadd339b0fb7e76e6429046460e64
https://doi.org/10.1080/10584587.2011.570678
https://doi.org/10.1080/10584587.2011.570678
Publikováno v:
Ferroelectrics. 417:118-123
The BaZrxTi1-xO3 for 0⩽x⩽15 ceramics were prepared by a conventional solid state reaction method and were determined by an X-ray diffraction (XRD) and scanning electron microscopy (SEM) for crystallographic, surface morphological and compositiona
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::9a0bd1dff58c553633c32ac8505076f7
https://doi.org/10.1080/00150193.2011.578508
https://doi.org/10.1080/00150193.2011.578508
Publikováno v:
Ferroelectrics. 400:434-440
In this work lead-free Sr0.8Bi0.2TiO3 ceramic have been investigated in the frequency range from 20 Hz to 36 GHz. The obtained results show pronounced dispersion below room temperature. It looks more similar to the one observed in dipolar glasses as
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::f5da97302cf571a14b01adc787f1a7b0
https://doi.org/10.1080/00150193.2010.506082
https://doi.org/10.1080/00150193.2010.506082
Autor:
Robertas Grigalaitis, Juras Banys, Vismants Zauls, A. Brilingas, Karlis Bormanis, Andris Sternberg
Publikováno v:
Ferroelectrics. 369:190-197
The broadband dielectric permittivity of ordered 0.1PMN-0.9PSN and disordered 0.2PMN-0.8PSN ceramics was investigated. The anomaly of dielectric permittivity is clearly seen in the region of 370 K for 0.1 PMN-0.9 PSN at all frequencies. 0.2 PMN-0.8 P
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::893d99fadf59e33ffe987e0d3f448d07
https://doi.org/10.1080/08838150802378145
https://doi.org/10.1080/08838150802378145
Autor:
Robertas Grigalaitis, Jan Macutkevic, J. Banys, Gintaras Valušis, Arunas Krotkus, Ramūnas Adomavičius, Andris Sternberg, Karlis Bormanis
Publikováno v:
Acta Physica Polonica A. 113:883-886
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::741375c3203dd02aad494df4cbdf845c
https://doi.org/10.12693/aphyspola.113.883
https://doi.org/10.12693/aphyspola.113.883