{"id":972,"date":"2018-10-08T16:11:26","date_gmt":"2018-10-08T14:11:26","guid":{"rendered":"http:\/\/websrv.saske.sk\/uef\/?page_id=972"},"modified":"2023-10-23T13:50:36","modified_gmt":"2023-10-23T11:50:36","slug":"zameranie","status":"publish","type":"page","link":"https:\/\/websrv.saske.sk\/uef\/oddelenia-a-laboratoria\/oddelenie-fyziky-magnetickych-javov\/zameranie\/","title":{"rendered":"Zameranie"},"content":{"rendered":"<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter\" src=\"http:\/\/websrv.saske.sk\/uef\/wp-content\/uploads\/2023\/05\/mriezka.jpg\" width=\"216\" height=\"200\" \/><\/p>\n<p>Z\u00e1rodok tohto oddelenia vznik\u00e1 u\u017e v roku <strong>1964<\/strong> v r\u00e1mci ko\u0161ick\u00e9ho pracoviska bratislavsk\u00e9ho Fyzik\u00e1lneho\u00a0 \u00fastavu SAV. V roku <strong>1969<\/strong>, ke\u010f vznik\u00e1 \u00dastav experiment\u00e1lnej fyziky SAV, sa skupina magnetizmu st\u00e1va samostatn\u00fdm oddelen\u00edm. V s\u00fa\u010dasnosti sa v r\u00e1mci oddelenia rie\u0161ia <u>4 z\u00e1kladn\u00e9 vedeck\u00e9 smery<\/u>: <strong>magnetick\u00e9 kvapaliny<\/strong>, <strong>molekul\u00e1rne magnety<\/strong>, <strong>intermetalick\u00e9 materi\u00e1ly<\/strong> a <strong>elektr\u00f3nov\u00fd transport a tunelov\u00e1 spektroskopia<\/strong>. V t\u00fdchto oblastiach z\u00edskalo OFMJ vedeck\u00e9 v\u00fdsledky oce\u0148ovan\u00e9 doma i v zahrani\u010d\u00ed, nadviazalo \u0161irok\u00fa medzin\u00e1rodn\u00fa spolupr\u00e1cu s popredn\u00fdmi pracoviskami vo svete (GHMFL a CRETA CNRS Grenoble, IFM PAN Pozna\u0148, Po\u013esko, KFKI Budape\u0161\u0165, Polytechnick\u00e1 Univerzita Timisoara, Rumunsko, Univerzita A. Mickiewicza Pozna\u0148, Po\u013esko, Univerzita Jean Monet St. Etienne, Franc\u00fazsko, Univerzita Karlova Praha, \u010cR, F\u00da AV\u010cR ) v r\u00e1mci projektov dvojstrannej a mnohostrannej spolupr\u00e1ce (projekty 5RP a 6RP).<\/p>\n<p>&nbsp;<\/p>\n<h3>1. Magnetick\u00e9 kvapaliny<\/h3>\n<p>&nbsp;<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter\" src=\"http:\/\/websrv.saske.sk\/uef\/wp-content\/uploads\/2023\/05\/jezko-small.jpg\" width=\"201\" height=\"121\" \/><\/p>\n<p>&nbsp;<\/p>\n<p>Dnes je v oddelen\u00ed zvl\u00e1dnut\u00e1 <strong>pr\u00edprava magnetick\u00fdch kvapal\u00edn<\/strong> na b\u00e1ze r\u00f4znych nosn\u00fdch kvapal\u00edn (voda, petrolej, miner\u00e1lny olej, vosk, at\u010f.) <strong>s magnetitom<\/strong> ako nosi\u010dom magnetick\u00e9ho momentu. Okrem samotnej pr\u00edpravy magnetick\u00fdch\u00a0 \u010dast\u00edc r\u00f4znych tvarov a rozmerov (5 &#8211; 300 nm) sa \u0161tuduj\u00fa z\u00e1kladn\u00e9 fyzik\u00e1lne vlastnosti, javy agreg\u00e1cie magnetick\u00fdch \u010dast\u00edc, magnetooptick\u00e9 a magnetodielektrick\u00e9 vlastnosti magnetick\u00fdch kvapal\u00edn a ich kompozitn\u00fdch syst\u00e9mov s kvapaln\u00fdmi kry\u0161t\u00e1lmi. Vzh\u013eadom na fakt, \u017ee vlastnosti magnetick\u00fdch kvapal\u00edn sa daj\u00fa\u00a0 \u013eahko ovplyv\u0148ova\u0165 vonkaj\u0161\u00edm magnetick\u00fdm po\u013eom, preto maj\u00fa \u0161irok\u00e9 uplatnenie v priemyselnej praxi ako aj biomedic\u00edne, predov\u0161etk\u00fdm pri cielenom transporte lie\u010div v onkol\u00f3gii, pri lie\u010den\u00ed kardiovaskul\u00e1rnych chor\u00f4b , v r\u00e1diodiagnostike a at\u010f. Za dosiahnut\u00e9 v\u00fdsledky bola kolekt\u00edvu magnetick\u00fdch kvapal\u00edn udelen\u00e1 <strong>cena SAV za v\u00fdznamn\u00fd pr\u00edspevok v medzin\u00e1rodnej spolupr\u00e1ci<\/strong> a pridelen\u00e9 pr\u00e1vo organizova\u0165 celosvetov\u00fa konferenciu o magnetick\u00fdch kvapalin\u00e1ch ICMF 11 v Ko\u0161iciach v roku 2007.<\/p>\n<table border=\"0\" width=\"200\" cellspacing=\"1\" cellpadding=\"1\" align=\"center\">\n<tbody>\n<tr>\n<td><img decoding=\"async\" src=\"http:\/\/websrv.saske.sk\/uef\/wp-content\/uploads\/2023\/05\/obr1.jpg\" \/><\/td>\n<td><img decoding=\"async\" src=\"http:\/\/websrv.saske.sk\/uef\/wp-content\/uploads\/2023\/05\/obr2.jpg\" \/><\/td>\n<td><img decoding=\"async\" src=\"http:\/\/websrv.saske.sk\/uef\/wp-content\/uploads\/2023\/05\/obr3.jpg\" \/><\/td>\n<td><img decoding=\"async\" src=\"http:\/\/websrv.saske.sk\/uef\/wp-content\/uploads\/2023\/05\/obr4.jpg\" \/><\/td>\n<td><img decoding=\"async\" src=\"http:\/\/websrv.saske.sk\/uef\/wp-content\/uploads\/2023\/05\/Nanorods.jpg\" \/><\/td>\n<\/tr>\n<tr>\n<td>Obr.1: Sf\u00e9rick\u00e9 \u010dastice<\/td>\n<td>Obr.2: Nanorody<\/td>\n<td>Obr.3: Magnetoz\u00f3my<\/td>\n<td>Obr.4: Kvapaln\u00fd kry\u0161t\u00e1l s magnetitom<\/td>\n<td>Obr.5: Magnetick\u00e9 nanosf\u00e9ry s lie\u010divom<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>&nbsp;<\/p>\n<h3>2. Molekul\u00e1rne magnety<\/h3>\n<p>V oblasti molekul\u00e1rneho magnetizmu sa intenz\u00edvne \u0161tuduj\u00fa <strong>vlastnosti ferikyanidov vz\u00e1cnych zem\u00edn<\/strong>. Podrobn\u00e9 poznanie kry\u0161t\u00e1lovej \u0161trukt\u00fary t\u00fdchto l\u00e1tok m\u00f4\u017ee v\u00fdznamne prispie\u0165 k poznaniu fyzik\u00e1lnych procesov a javov v nich prebiehaj\u00facich a k ich interpret\u00e1cii v oblasti z\u00e1kladn\u00e9ho v\u00fdskumu ale tie\u017e k optimaliz\u00e1cii \u00fa\u017eitkov\u00fdch vlastnost\u00ed pripravovan\u00fdch materi\u00e1lov pre praktick\u00e9 aplik\u00e1cie.<\/p>\n<table border=\"0\" width=\"200\" cellspacing=\"1\" cellpadding=\"1\" align=\"center\">\n<tbody>\n<tr>\n<td><img decoding=\"async\" src=\"http:\/\/websrv.saske.sk\/uef\/wp-content\/uploads\/2023\/05\/obr6.jpg\" \/><\/td>\n<td><img decoding=\"async\" src=\"http:\/\/websrv.saske.sk\/uef\/wp-content\/uploads\/2023\/05\/obr7.jpg\" \/><\/td>\n<td><img decoding=\"async\" src=\"http:\/\/websrv.saske.sk\/uef\/wp-content\/uploads\/2023\/05\/obr8.jpg\" \/><\/td>\n<\/tr>\n<tr>\n<td>Obr.6: Pr[Fe(CN)<sub>6<\/sub>].4H2O<\/td>\n<td>Obr.7:Mn[Cr(CN)<sub>6<\/sub>].12H<sub>2<\/sub>O<\/td>\n<td>Obr.8: Sm[Fe(CN)<sub>6<\/sub>].4H<sub>2<\/sub>O<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>&nbsp;<\/p>\n<h3>3. Intermetalick\u00e9 zl\u00fa\u010deniny<\/h3>\n<p>V oblasti intermetalick\u00fdch zl\u00fa\u010den\u00edn je v\u00fdskum\u00a0 zameran\u00fd hlavne na <strong>\u0161t\u00fadium kooperat\u00edvnych javov a siln\u00fdch elektr\u00f3nov\u00fdch korel\u00e1ci\u00ed vo vybran\u00fdch syst\u00e9moch obsahuj\u00facich 4f- a 5f- prvky<\/strong> s cie\u013eom prispie\u0165 k pochopeniu tak\u00fdch javov ako je \u0165a\u017eko-fermi\u00f3nov\u00e9 spr\u00e1vanie, Kondo mrie\u017eky, spinov\u00e9 fluktu\u00e1cie a dlhodosahov\u00e9 magnetick\u00e9 usporiadanie prostredn\u00edctvom \u0161t\u00fadia \u0161trukt\u00fary, magnetick\u00fdch, elektr\u00f3nov\u00fdch a transportn\u00fdch vlastnost\u00ed v zl\u00fa\u010denin\u00e1ch d- kovov s f- kovmi.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Z\u00e1rodok tohto oddelenia vznik\u00e1 u\u017e v roku 1964 v r\u00e1mci ko\u0161ick\u00e9ho pracoviska bratislavsk\u00e9ho Fyzik\u00e1lneho\u00a0 \u00fastavu SAV. V roku 1969, ke\u010f vznik\u00e1 \u00dastav experiment\u00e1lnej fyziky SAV,&#8230;<\/p>\n","protected":false},"author":4,"featured_media":0,"parent":562,"menu_order":10,"comment_status":"closed","ping_status":"closed","template":"","meta":{"footnotes":""},"_links":{"self":[{"href":"https:\/\/websrv.saske.sk\/uef\/wp-json\/wp\/v2\/pages\/972"}],"collection":[{"href":"https:\/\/websrv.saske.sk\/uef\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/websrv.saske.sk\/uef\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/websrv.saske.sk\/uef\/wp-json\/wp\/v2\/users\/4"}],"replies":[{"embeddable":true,"href":"https:\/\/websrv.saske.sk\/uef\/wp-json\/wp\/v2\/comments?post=972"}],"version-history":[{"count":17,"href":"https:\/\/websrv.saske.sk\/uef\/wp-json\/wp\/v2\/pages\/972\/revisions"}],"predecessor-version":[{"id":7736,"href":"https:\/\/websrv.saske.sk\/uef\/wp-json\/wp\/v2\/pages\/972\/revisions\/7736"}],"up":[{"embeddable":true,"href":"https:\/\/websrv.saske.sk\/uef\/wp-json\/wp\/v2\/pages\/562"}],"wp:attachment":[{"href":"https:\/\/websrv.saske.sk\/uef\/wp-json\/wp\/v2\/media?parent=972"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}