{"id":779,"date":"2018-10-03T15:15:24","date_gmt":"2018-10-03T13:15:24","guid":{"rendered":"http:\/\/websrv.saske.sk\/uef\/?page_id=779"},"modified":"2026-08-17T16:29:05","modified_gmt":"2026-08-17T14:29:05","slug":"zameranie","status":"publish","type":"page","link":"https:\/\/websrv.saske.sk\/uef\/oddelenia-a-laboratoria\/laboratorium-materialovej-fyziky\/zameranie\/","title":{"rendered":"Zameranie"},"content":{"rendered":"

Oddelenie materi\u00e1lovej fyziky (OMF) patr\u00ed k\u00a0popredn\u00fdm pracovisk\u00e1m vo svete v\u00a0oblasti pr\u00edpravy a \u0161t\u00fadia vlastnost\u00ed REBCO mas\u00edvnych monokry\u0161talick\u00fdch supravodi\u010dov (MMS). Spolupracuje v\u00a0tejto oblasti s\u00a0University of Cambridge, SIT Tokyo, SJTU Shanghai a\u00a0v\u00fdrobcom MMS firmou CAN Superconductors s.r.o. a\u00a0s firmou CRYOSOFT s.r.o.<\/span><\/p>\n

V\u00a0oblasti \u0161t\u00fadia \u0161trukt\u00fary mikrodr\u00f4tov pre senzoriku spolupracuje OMF\u00a0 s\u00a0firmou RVmagnetics a.s.<\/span><\/p>\n

OMF rozv\u00edja experiment\u00e1lne metodiky \u0161t\u00fadia \u0161trukt\u00fary, mikro\u0161trukt\u00fary a\u00a0f\u00e1zov\u00fdch transform\u00e1ci\u00ed progres\u00edvnych materi\u00e1lov.<\/span><\/p>\n

Je vybaven\u00e9 unik\u00e1tnymi experiment\u00e1lnymi zariadeniami v\u00a0oblasti RTG difrak\u010dnej anal\u00fdzy (tri difraktometre RIGAKU s mo\u017enos\u0165ou merania pri n\u00edzkych a\u00a0vysok\u00fdch teplot\u00e1ch a\u00a0kontrolovanej atmosf\u00e9re, SAXS anal\u00fdza, mikrofokus, text\u00farna anal\u00fdza) (\u0161tat\u00fat k RTG<\/a>), skenovacej elektr\u00f3novej mikroskopie a\u00a0mikroanal\u00fdzy (EDS, WDS, EBSD) a\u00a0zariadeniami pre komplexn\u00fa termick\u00fa anal\u00fdzu materi\u00e1lov (DTA, DSC, TG, hmotnostn\u00e1 spektroskopia).<\/span><\/p>\n

Ak m\u00e1te z\u00e1ujem dozvedie\u0165 sa nie\u010do viac, nev\u00e1hajte a nav\u0161t\u00edvte na\u0161u str\u00e1nku.<\/span><\/p>\n

 <\/p>\n

Kontakt:<\/strong><\/span><\/p>\n

Ing. Pavel Diko, DrSc. ved\u00faci OMF<\/span><\/p>\n

Oddelenie materi\u00e1lovej fyziky, \u00dastav experiment\u00e1lnej fyziky SAV, v.v.i.,<\/span><\/p>\n

Watsonova 47, 04001 Ko\u0161ice<\/span><\/p>\n

Email: dikos@saske.sk<\/span><\/p>\n

 <\/p>\n

Pochv\u00e1lime sa!<\/strong> Pozrite si \u0161tyri najlep\u0161ie publik\u00e1cie n\u00e1\u0161ho oddelenia za rok 2025:<\/span><\/p>\n

KUCH\u00c1ROV\u00c1, Veronika** – DIKO, Pavel – VOLOCHOV\u00c1, Daniela<\/strong> – RAJ\u0147\u00c1K, Michal<\/span>
\nInfluence of additives on microstructural evolution and superconducting performance of EuBCO-Ag compounds<\/span>
\nIn Journal of Alloys and Compounds, 2025, vol.1040, art.no.183581. (2024: 6.3 – IF, Q1 – JCR, 1.192 – SJR, Q1 – SJR, karentovan\u00e9 – CCC). (2025 – Current Contents, WOS, SCOPUS). ISSN 0925-8388. Dostupn\u00e9 na: https:\/\/doi.org\/10.1016\/j.jallcom.2025.183581<\/a><\/span><\/p>\n

RADU\u0160OVSK\u00c1, Monika – VOLOCHOV\u00c1, Daniela<\/strong> – RAJ\u0147\u00c1K, Michal – SMOLKO, Richard – DIKO, Pavel**
\n<\/strong>Effect of the addition of nanosize BaCeO3 on the structure and properties of bulk single grain GdBCO-Ag superconductors<\/span>
\nIn Journal of Alloys and Compounds, 2025, vol.1021, art.no.179689. (2024: 6.3 – IF, Q1 – JCR, 1.192 – SJR, Q1 – SJR, karentovan\u00e9 – CCC). (2025 – Current Contents, WOS, SCOPUS). ISSN 0925-8388. Dostupn\u00e9 na: https:\/\/doi.org\/10.1016\/j.jallcom.2025.179689<\/a><\/span><\/p>\n

RADU\u0160OVSK\u00c1, Monika – DIKO, Pavel** – VOLOCHOV\u00c1, Daniela – SMOLKO, Richard – KUCH\u00c1ROV\u00c1, Veronika – BEDNAR\u010c\u00cdK, Jozef
\n<\/strong>Microstructure and properties of GdBCO-Ag bulk superconductor prepared by SDMG process<\/span>
\nIn Ceramics International, 2025, vol.51, no.18, p.24699-24706. (2024: 5.6 – IF, Q1 – JCR, 1.034 – SJR, Q1 – SJR). ISSN 0272-8842. Dostupn\u00e9 na: https:\/\/doi.org\/10.1016\/j.ceramint.2025.03.152<\/a><\/span><\/p>\n

VOLOCHOV\u00c1, Daniela** – RADU\u0160OVSK\u00c1, Monika – DIKO, Pavel
\n<\/strong>Microstructure and macroscopic superconducting properties of GdBa2Cu3Oy bulk superconductors with different heights<\/span>
\nIn Journal of the American Ceramic Society, 2025, vol.108, no.6, art.no.e20435. (2024: 3.8 – IF, Q1 – JCR, 0.811 – SJR, Q1 – SJR). ISSN 0002-7820. Dostupn\u00e9 na: https:\/\/doi.org\/10.1111\/jace.20435<\/a><\/span><\/p>\n

 <\/p>\n

V\u00fdsledkom na\u0161ej v\u00fdskumnej a inova\u010dnej \u010dinnosti s\u00fa aj udelen\u00e9 patenty a \u00fa\u017eitkov\u00e9 vzory<\/strong>:<\/p>\n

N\u00e1zov vyn\u00e1lezu: Sp\u00f4sob v\u00fdroby mas\u00edvneho monokry\u0161talick\u00e9ho GdBCOAg supravodi\u010da
\n\u010c\u00edslo prihl\u00e1\u0161ky: PP 50041-2022
\nMajite\u013e: \u00dastav experiment\u00e1lnej fyziky SAV, v. v. i.
\nP\u00f4vodcovia vyn\u00e1lezu: Radu\u0161ovsk\u00e1 Monika, Hajdov\u00e1 Petra, Kuch\u00e1rov\u00e1 Veronika, Diko Pavel<\/p>\n

N\u00e1zov vyn\u00e1lezu: GdBCOAg homog\u00e9nny mas\u00edvny supravodi\u010d
\n\u010c\u00edslo prihl\u00e1\u0161ky: PUV 50014-2023
\nMajite\u013e: \u00dastav experiment\u00e1lnej fyziky SAV, v. v. i.
\nP\u00f4vodcovia vyn\u00e1lezu: Hajdov\u00e1 Petra, Diko Pavel<\/p>\n

N\u00e1zov vyn\u00e1lezu: Bin\u00e1rne dopovan\u00fd YBCO mas\u00edvny monokry\u0161talick\u00fd supravodi\u010d
\n\u010c\u00edslo prihl\u00e1\u0161ky: PP 105-2013
\nMajite\u013e: \u00dastav experiment\u00e1lnej fyziky SAV, v. v. i.
\nP\u00f4vodcovia vyn\u00e1lezu: Diko Pavel, Volochov\u00e1 Daniela<\/p>\n

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\u010comu sa venujeme:<\/strong>
\nV\u00fdskumn\u00e9 aktivity Oddelenia materi\u00e1lovej fyziky (OMF) s\u00fa zameran\u00e9 na a\u00a0v\u00fdskum v\u00fdvoj progres\u00edvnych materi\u00e1lov. V s\u00fa\u010dasnosti je nosn\u00fdm programom OMF pr\u00edprava a \u0161t\u00fadium s\u00favisu mikro\u0161trukt\u00fary a supravodiv\u00fdch vlastnost\u00ed REBCO (RE = vz\u00e1cna zemina) mas\u00edvnych monokry\u0161talick\u00fdch supravodi\u010dov (MMS).\u00a0 V tejto oblasti z\u00edskalo OMF 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 (SIT Tokyo, Argonne National Laboratory, USA, Oxford University, Cambridge University, IPHT Jena, IFW Dresden, ATI Vienna, ICMAB Barcelona, CRETA CNRS Grenoble, JTU Shanghai, KAERI Daegeon) v r\u00e1mci projektov dvojstrannej a mnohostrannej spolupr\u00e1ce (projekty 5RP a 6RP). \u00a0Z projektov \u0161truktur\u00e1lnych fondov E\u00da vybudovalo OMF infra\u0161trukt\u00faru (unik\u00e1tny syst\u00e9m pre komplexn\u00fa RTG anal\u00fdzu, skenovacia elektr\u00f3nov\u00e1 mikroskopia s\u00a0mikroanal\u00fdzami EDS, WDS, EBSD, termick\u00e1 anal\u00fdza s\u00a0hmotnostnou spektroskopiou)\u00a0 potrebn\u00fa na v\u00fdskum a v\u00fdvoj t\u00fdchto materi\u00e1lov.<\/span><\/p>\n

REBCO MMS s\u00fa materi\u00e1ly vhodn\u00e9 pre praktick\u00e9 aplik\u00e1cie hlavne ako supravodiv\u00e9 permanentn\u00e9 magnety. Medzi ich unik\u00e1tne vlastnosti patr\u00ed, \u017ee v d\u00f4sledku siln\u00e9ho pinningu (kotvenia magnetick\u00fdch silo\u010diar) vedia zachyti\u0165 o r\u00e1d vy\u0161\u0161ie magnetick\u00e9 pole ako najlep\u0161ie permanentn\u00e9 magnety (a\u017e 17 Tesla pri teplote 30 o<\/sup>K, a\u017e 100 kr\u00e1t vy\u0161\u0161ia hustota energie), stabilne sa vzn\u00e1\u0161aj\u00fa alebo visia v nehomog\u00e9nnom magnetickom poli (vysok\u00e1 levita\u010dn\u00e1 sila) a pohybuj\u00fa sa bez trenia v homog\u00e9nnom magnetickom poli. Aplika\u010dn\u00e9 mo\u017enosti s\u00fa najm\u00e4 pri kon\u0161trukcii v\u00fdkonn\u00fdch elektrick\u00fdch to\u010div\u00fdch strojov, magnetick\u00fdch separ\u00e1torov, levita\u010dn\u00fdch zariaden\u00ed ako s\u00fa lo\u017eisk\u00e1 bez trenia, zotrva\u010dn\u00edkov\u00e9 rezervo\u00e1re energie, levita\u010dn\u00e9 dopravn\u00edky a\u00a0vlaky, ale tie\u017e medic\u00ednske aplik\u00e1cie pri magnetickom transporte lie\u010div resp. separ\u00e1cii buniek a in\u00e9. S\u00fa\u010dasn\u00fd REBCO MMS (supravodiv\u00fd magnet) si idealizovane m\u00f4\u017eeme predstavi\u0165 ako\u00a0 monokry\u0161t\u00e1l REBa2<\/sub>Cu3<\/sub>O7-x<\/sub> supravodivej f\u00e1zy cylindrick\u00e9ho tvaru s priemerom 30 a\u017e 100 mm, v ktorom s\u00fa rozpt\u00fdlen\u00e9 centr\u00e1 uchyt\u00e1vania magnetick\u00fdch toko\u010diar. Tieto centr\u00e1 m\u00f4\u017eu by\u0165 submikr\u00f3nov\u00e9 \u010dastice\u00a0 nesupravodivej RE2<\/sub>BaCuO5<\/sub> (211) f\u00e1zy, resp. tzv. chemick\u00e9 piningov\u00e9 centr\u00e1: nanorozmerov\u00e9 oblasti s naru\u0161enou kry\u0161t\u00e1lovou mrie\u017ekou\u00a0 vytvoren\u00e9 substitu\u010dn\u00fdmi at\u00f3mami.<\/span><\/p>\n

V s\u00fa\u010dasnosti sa REBCO MMS pripravuj\u00fa pomocou novej technol\u00f3gie jednosmern\u00e9ho rastu (Single-Direction Melt Growth – SDMG), ktor\u00e1 umo\u017e\u0148uje r\u00fdchlej\u0161\u00ed a jednosmern\u00fd rast ve\u013ek\u00fdch kry\u0161t\u00e1lov s r\u00f4znou geometriou (Obr. 1). T\u00e1to technol\u00f3gia umo\u017e\u0148uje dosiahnu\u0165 vysok\u00fa kvalitu kry\u0161t\u00e1lov.<\/span><\/p>\n

\"\"<\/a>

Obr. 1 GdBCO mas\u00edvny monokry\u0161talick\u00fd supravodi\u010d v tvare disku (a), prstenca (b) a so syst\u00e9mom otvorov (c), narasten\u00fd na ve\u013ekoplo\u0161nom monokry\u0161talickom EuBCO z\u00e1rodku jednosmern\u00fdm rastom s odpovedaj\u00facim zachyten\u00fdm magnetick\u00fdm po\u013eom pri 77 K<\/p><\/div>\n

 <\/p>\n

 <\/p>\n

 <\/p>\n

\u010cas\u0165 v\u00fdskumn\u00fdch kapac\u00edt venujeme v\u00fdskumu v spolupr\u00e1ci s UPJ\u0160 Ko\u0161ice.<\/span><\/p>\n","protected":false},"excerpt":{"rendered":"

Oddelenie materi\u00e1lovej fyziky (OMF) patr\u00ed k\u00a0popredn\u00fdm pracovisk\u00e1m vo svete v\u00a0oblasti pr\u00edpravy a \u0161t\u00fadia vlastnost\u00ed REBCO mas\u00edvnych monokry\u0161talick\u00fdch supravodi\u010dov (MMS). Spolupracuje v\u00a0tejto oblasti s\u00a0University of Cambridge,…<\/p>\n","protected":false},"author":4,"featured_media":0,"parent":571,"menu_order":10,"comment_status":"closed","ping_status":"closed","template":"","meta":{"footnotes":""},"class_list":["post-779","page","type-page","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/websrv.saske.sk\/uef\/wp-json\/wp\/v2\/pages\/779","targetHints":{"allow":["GET"]}}],"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=779"}],"version-history":[{"count":22,"href":"https:\/\/websrv.saske.sk\/uef\/wp-json\/wp\/v2\/pages\/779\/revisions"}],"predecessor-version":[{"id":10179,"href":"https:\/\/websrv.saske.sk\/uef\/wp-json\/wp\/v2\/pages\/779\/revisions\/10179"}],"up":[{"embeddable":true,"href":"https:\/\/websrv.saske.sk\/uef\/wp-json\/wp\/v2\/pages\/571"}],"wp:attachment":[{"href":"https:\/\/websrv.saske.sk\/uef\/wp-json\/wp\/v2\/media?parent=779"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}