{"id":9219,"date":"2026-09-30T13:50:19","date_gmt":"2026-09-30T13:50:19","guid":{"rendered":"https:\/\/www-f5.ijs.si\/?p=9219"},"modified":"2026-10-14T11:32:20","modified_gmt":"2026-10-14T11:32:20","slug":"elasticity-driven-periodic-polarization-patterns-in-a-chiral-ferroelectric-nematic-fluid","status":"publish","type":"post","link":"https:\/\/www-f5.ijs.si\/en\/elasticity-driven-periodic-polarization-patterns-in-a-chiral-ferroelectric-nematic-fluid\/2026","title":{"rendered":"\u010clanek v reviji Advanced Materials: Elasticity-Driven Periodic Polarization Patterns in a Chiral Ferroelectric Nematic Fluid"},"content":{"rendered":"\n<p class=\"eplus-wrapper wp-block-paragraph\">Marta Lavri\u010d je v sodelovanju s skupino z odseka za kompleksne snovi F7 (A. Sterle, P. Medle Rupnik, L. Cmok, A. Erkoreka, N. Osterman, A. Mertelj, N. Sebasti\u00e1n) ter skupinami z Univerze iz Leedsa (C. J. Gibb, J. Hobbs, R. J. Mandle) in Univerze v Baskiji (A. Erkoreka, J. Martinez-Perdiguero) objavila \u010dlanek z naslovom \u00bbElasticity-Driven Periodic Polarization Patterns in a Chiral Ferroelectric Nematic Fluid (Z elasti\u010dnostjo vodeni periodi\u010dni polarizacijski vzorci v kiralnem feroelektri\u010dnem nematskem fluidu)\u00ab v reviji Advanced Materials.<\/p>\n\n\n\n<p class=\"eplus-wrapper wp-block-paragraph\">Medsebojna igra kiralnosti, omejenosti in elasti\u010dnosti lahko povzro\u010di spontano nastajanje kompleksnih polarizacijskih vzorcev v kiralnih feroelektri\u010dnih nematskih teko\u010dih kristalih. Ti trije dejavniki skupaj delujejo pri pretvorbi za\u010detnega homogenega stanja v razli\u010dne urejene strukture.<\/p>\n\n\n\n<p class=\"eplus-wrapper wp-block-paragraph\">V novi \u0161tudiji raziskovalci poka\u017eejo, da se v omejenem prostoru ob odstopanju kiralne periode materiala od njegove naravne periode pojavijo periodi\u010dne nestabilnosti, ko se material pribli\u017euje helikoni\u010dnemu polarnemu stanju. V bli\u017eini tega prehoda se upogibna elasti\u010dna konstanta teko\u010dega kristala zmeh\u010da. Kombinacija preferirane vija\u010dne strukture materiala, omejevanja in zmanj\u0161anega upora proti upogibanju spodbuja nastanek periodi\u010dnih polarizacijskih vzorcev.<\/p>\n\n\n\n<p class=\"eplus-wrapper wp-block-paragraph\">V omejenem prostoru te nestabilnosti vodijo do nastanka razli\u010dnih samoorganiziranih struktur, vklju\u010dno s progami, kvadratnimi in heksagonalnimi vzorci. S spreminjanjem debeline materiala v omejenem prostoru in povr\u0161inske orientacije lahko raziskovalci nadzorujejo, katere strukture se pojavijo. Nastale polarizacijske vzorce je mogo\u010de vizualizirati tudi prek njihovega nelinearnega opti\u010dnega odziva z uporabo slikanja z opti\u010dnim podvajanjem frekvenc (SHG imaging). Rezultati ka\u017eejo, kako lahko kiralnost, elasti\u010dnost in geometrija skupaj urejajo polarizacijo v fluidnem materialu. Zagotavljajo nov vpogled v fiziko feroelektri\u010dnih nematikov ter odpirajo mo\u017enosti za nadzor njihovih nelinearnih opti\u010dnih lastnosti in razvoj novih samoorganiziranih fotonskih struktur.<\/p>\n\n\n\n<p class=\"eplus-wrapper wp-block-paragraph\">\u010clanek je dostopen na: <a href=\"https:\/\/doi.org\/10.1002\/adma.75002\">https:\/\/doi.org\/10.1002\/adma.75002<\/a><\/p>\n\n\n\n<p class=\"eplus-wrapper wp-block-paragraph\"><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Marta Lavri\u010d je v sodelovanju s skupino z odseka za kompleksne snovi F7 (A. Sterle, P. Medle Rupnik, L. Cmok, A. Erkoreka, N. Osterman, A. Mertelj, N. Sebasti\u00e1n) ter skupinami z Univerze iz Leedsa (C. J. Gibb, J. Hobbs, R. J. Mandle) in Univerze v Baskiji (A. Erkoreka, J. Martinez-Perdiguero) objavila \u010dlanek z naslovom \u00bbElasticity-Driven [&hellip;]<\/p>\n","protected":false},"author":3,"featured_media":9217,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"_editorskit_title_hidden":false,"_editorskit_reading_time":0,"_editorskit_is_block_options_detached":false,"_editorskit_block_options_position":"{}","editor_plus_copied_stylings":"{}","footnotes":""},"categories":[205],"tags":[],"class_list":["post-9219","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-other-news"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.7 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>\u010clanek v reviji Advanced Materials: Elasticity-Driven Periodic Polarization Patterns in a Chiral Ferroelectric Nematic Fluid - In\u0161titut Jo\u017eef Stefan<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www-f5.ijs.si\/en\/elasticity-driven-periodic-polarization-patterns-in-a-chiral-ferroelectric-nematic-fluid\/2026\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"\u010clanek v reviji Advanced Materials: Elasticity-Driven Periodic Polarization Patterns in a Chiral Ferroelectric Nematic Fluid - In\u0161titut Jo\u017eef Stefan\" \/>\n<meta property=\"og:description\" content=\"Marta Lavri\u010d je v sodelovanju s skupino z odseka za kompleksne snovi F7 (A. 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