. . "Univerzitn\u00ED institut" . "Radioabsorb\u00E9ry na b\u00E1zi v\u00EDceslo\u017Ekov\u00FDch magnetick\u00FDch \u010D\u00E1stic" . "28610" . . "P(ED2.1.00/03.0111)" . "Byly p\u0159ipraveny radioabsorp\u010Dn\u00ED materi\u00E1ly (RAM) na b\u00E1zi polyuretanov\u00E9 matrice pln\u011Bn\u00E9 v\u00EDceslo\u017Ekov\u00FDmi \u010D\u00E1sticemi MnZn feritu pota\u017Een\u00E9ho polyanil\u00EDnem (PANi) s r\u016Fznou vodivost\u00ED and morfologi\u00ED. Byla demonstrov\u00E1na mo\u017Enost dosa\u017Een\u00ED podm\u00EDnky pro maxim\u00E1ln\u00ED absorpci (tzv. matching condition) elektromagnetick\u00E9ho z\u00E1\u0159en\u00ED a tak\u00E9 mo\u017Enost posunut\u00ED opera\u010Dn\u00EDho frekven\u010Dn\u00EDho rozsahu ze stovek MHz a\u017E do 2 GHz a to obm\u011Bnou vlastnost\u00ED polyanil\u00EDnov\u00E9 vrstvy. Funk\u010Dn\u00ED vzorek byl vytvo\u0159en na Univerzitn\u00EDm institutu \u2013 Centru polymern\u00EDch syst\u00E9m\u016F a je um\u00EDst\u011Bn na Centru polymern\u00EDch syst\u00E9m\u016F."@cs . "Radioabsorb\u00E9ry na b\u00E1zi v\u00EDceslo\u017Ekov\u00FDch magnetick\u00FDch \u010D\u00E1stic"@cs . . . . "Radioabsorb\u00E9ry na b\u00E1zi v\u00EDceslo\u017Ekov\u00FDch magnetick\u00FDch \u010D\u00E1stic" . . "[A876C8C64B8E]" . . "particles; magnetic; multicomponent; based; absorbers; Radio"@en . . . "Mou\u010Dka, Robert" . "Radio absorbing materials (RAMs) based on polyurethane filled with multicomponent particles of MnZn ferrite coated by polyaniline (PANI) with different conductivity and morphology were prepared. The possibility of attaining the matching condition and altering the operating frequency range of the absorbers from hundreds of MHz up to 2 GHz via variation of polyaniline overlayer properties is demonstrated. Proof of concept is stored at University Institute - Centre of polymer systems."@en . . "Byly p\u0159ipraveny radioabsorp\u010Dn\u00ED materi\u00E1ly (RAM) na b\u00E1zi polyuretanov\u00E9 matrice pln\u011Bn\u00E9 v\u00EDceslo\u017Ekov\u00FDmi \u010D\u00E1sticemi MnZn feritu pota\u017Een\u00E9ho polyanil\u00EDnem (PANi) s r\u016Fznou vodivost\u00ED and morfologi\u00ED. Byla demonstrov\u00E1na mo\u017Enost dosa\u017Een\u00ED podm\u00EDnky pro maxim\u00E1ln\u00ED absorpci (tzv. matching condition) elektromagnetick\u00E9ho z\u00E1\u0159en\u00ED a tak\u00E9 mo\u017Enost posunut\u00ED opera\u010Dn\u00EDho frekven\u010Dn\u00EDho rozsahu ze stovek MHz a\u017E do 2 GHz a to obm\u011Bnou vlastnost\u00ED polyanil\u00EDnov\u00E9 vrstvy. Funk\u010Dn\u00ED vzorek byl vytvo\u0159en na Univerzitn\u00EDm institutu \u2013 Centru polymern\u00EDch syst\u00E9m\u016F a je um\u00EDst\u011Bn na Centru polymern\u00EDch syst\u00E9m\u016F." . . . "Babayan, Vladimir Artur" . "4"^^ . . "P\u0159\u00EDnosem funk\u010Dn\u00EDho vzorku je skute\u010Dnost, \u017Ee zm\u011Bnou vlastnost\u00ED PANi vrstvy, zejm\u00E9na morfologi\u00ED a vodivost\u00ED a t\u00EDm p\u00E1dem ovlivn\u011Bn\u00EDm frekven\u010Dn\u00ED disperse komplexn\u00ED permitivity a magnetick\u00E9 permeability v radiofrekven\u010Dn\u00EDm p\u00E1smu, umo\u017E\u0148uje dosa\u017Een\u00ED podm\u00EDnky maxim\u00E1ln\u00ED absorpce elektromagnetick\u00E9ho z\u00E1\u0159en\u00ED. Nav\u00EDc zm\u011Bnou vlastnost\u00ED PANi vrstvy lze sn\u00ED\u017Eit tlou\u0161\u0165ku radioabsorb\u00E9ru o t\u00E9m\u011B\u0159 polovinu p\u0159i nezm\u011Bn\u011Bn\u00E9 koncentraci magnetick\u00E9 f\u00E1ze, co\u017E ve v\u00FDsledku vede ke sn\u00ED\u017Een\u00ED ceny kone\u010Dn\u00E9ho produktu." . "Byly p\u0159ipraveny RAM na b\u00E1zi polyuretanu pln\u011Bn\u00E9ho v\u00EDceslo\u017Ekov\u00FDmi \u010D\u00E1sticemi se strukturou j\u00E1dro-slupka (ferit-PANi). Koncentrace plniva byla u v\u0161ech RAM 40 hm. %; v\u0161ak materi\u00E1ly se li\u0161ily ve vodivosti a morfologii PANi vrstvy. V prvn\u00EDm p\u0159\u00EDpad\u011B byly \u010D\u00E1stice feritu pota\u017Eeny vodivou formou PANi (MnZn-PANi/h/) b\u011Bhem /in-situ/ polymerizace anil\u00EDnu. V druh\u00E9m p\u0159\u00EDpad\u011B byly tyto s vodivou vrstvou deprotonov\u00E1ny z vodiv\u00E9 na nevodivou formu (MnZn-PANi/b/). T\u0159et\u00ED sada \u010D\u00E1stic ve vodiv\u00E9 vrstv\u011B PANi obsahovala nano\u010D\u00E1stice st\u0159\u00EDbra (MnZn-PANi/Ag). Byly vypo\u010Dteny absorp\u010Dn\u00ED charakteristiky jednovrstv\u00E9ho kovem podlo\u017Een\u00E9ho radioabsorb\u00E9ru na b\u00E1zi p\u0159ipraven\u00FDch materi\u00E1l\u016F. Bylo prok\u00E1z\u00E1no, \u017Ee bez zm\u011Bny koncentrace magnetick\u00E9 f\u00E1ze a pouhou zm\u011Bnou vlastnost\u00ED PANi vrstvy je mo\u017Eno roz\u0161\u00ED\u0159it opera\u010Dn\u00ED frekven\u010Dn\u00ED p\u00E1smo absorb\u00E9ru z /f/_max //f/_min =1.24 na /f/_max //f/_min =1.43 a z\u00E1rove\u0148 sn\u00ED\u017Eit tlou\u0161\u0165ku absorb\u00E9ru t\u00E9m\u011B\u0159 o polovinu." . "RIV/70883521:28610/14:43871892" . . . "Radio absorbers based on multicomponent magnetic particles"@en . "Vil\u010D\u00E1kov\u00E1, Jarmila" . "41209" . "4"^^ . . . "RIV/70883521:28610/14:43871892!RIV15-MSM-28610___" . . . . . "Radio absorbers based on multicomponent magnetic particles"@en . "Radioabsorb\u00E9ry na b\u00E1zi v\u00EDceslo\u017Ekov\u00FDch magnetick\u00FDch \u010D\u00E1stic"@cs . . . "Kazantseva, Natalia" .