{"id":970,"date":"2025-03-26T20:00:40","date_gmt":"2025-03-26T19:00:40","guid":{"rendered":"https:\/\/ujvilagtrend.hu\/?p=970"},"modified":"2025-03-26T20:00:40","modified_gmt":"2025-03-26T19:00:40","slug":"kinai-kutatok-egy-atom-vastagsagu-femlemezt-hoztak-letre","status":"publish","type":"post","link":"https:\/\/ujvilagtrend.hu\/?p=970","title":{"rendered":"K\u00ednai kutat\u00f3k egy atom vastags\u00e1g\u00fa f\u00e9mlemezt hoztak l\u00e9tre"},"content":{"rendered":"\n<p class=\"wp-block-paragraph\">K\u00ednai kutat\u00f3knak siker\u00fclt el\u0151\u00e1ll\u00edtaniuk <strong>egy mind\u00f6ssze egy atomi r\u00e9teg vastags\u00e1g\u00fa f\u00e9met<\/strong> \u2013 ez az A4-es pap\u00edr egymilliomod r\u00e9sze. A kutat\u00e1st a <strong>K\u00ednai Tudom\u00e1nyos Akad\u00e9mia Fizikai Int\u00e9zete<\/strong> vezette, \u00e9s az \u00e1tt\u00f6r\u00e9s \u00faj szintre emelte a k\u00e9tdimenzi\u00f3s f\u00e9mes anyagok fejleszt\u00e9s\u00e9t.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">A tanulm\u00e1ny szerz\u0151i szerint ez a fejleszt\u00e9s <strong>\u00faj t\u00e1vlatokat nyit az \u00faj gener\u00e1ci\u00f3s elektronika, a kvantumsz\u00e1m\u00edt\u00f3g\u00e9pek \u00e9s a cs\u00facshat\u00e9kony katal\u00edzis<\/strong> ter\u00fclet\u00e9n. A k\u00e9tdimenzi\u00f3s anyagok \u2013 vagyis azok az anyagok, amelyek csup\u00e1n egy vagy n\u00e9h\u00e1ny atomi r\u00e9tegb\u0151l \u00e1llnak \u2013 r\u00e9g\u00f3ta kulcsfontoss\u00e1g\u00fa szerepl\u0151k a rugalmas kijelz\u0151k, ultragyors tranzisztorok \u00e9s kvantumeszk\u00f6z\u00f6k fejleszt\u00e9s\u00e9ben.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>A kutat\u00f3k szerint eddig minden 2D anyag r\u00e9teges krist\u00e1lyokb\u00f3l sz\u00e1rmazott<\/strong>, amelyek k\u00f6nnyen \u201elev\u00e1laszthat\u00f3k\u201d, mint a tortar\u00e9tegek. Viszont az anyagok 97,5 sz\u00e1zal\u00e9ka \u2013 k\u00f6zt\u00fck a legt\u00f6bb f\u00e9m \u2013 <strong>h\u00e1romdimenzi\u00f3s, szorosan k\u00f6t\u00f6tt szerkezet\u0171<\/strong>, \u00edgy nem lehet \u0151ket ilyen m\u00f3don r\u00e9tegezni. Ezek ink\u00e1bb \u201e\u00f6sszenyomott kekszekhez\u201d hasonl\u00edtanak.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">A k\u00ednai csapat azonban olyan f\u00e9mek, mint a bizmut \u00e9s az \u00f3n megolvaszt\u00e1s\u00e1val, \u00e9s egy <strong>molyb-d\u00e9n-diszulfid (MoS\u2082)<\/strong> nev\u0171 atomosan s\u00edk fel\u00fcletet haszn\u00e1lva \u201e\u00fct\u0151k\u00e9nt\u201d, k\u00e9pes volt <strong>egyetlen n\u00e9gyzetcentim\u00e9teres s\u00edkban pontosan kialak\u00edtani a f\u00e9mr\u00e9tegeket<\/strong>. Az \u00edgy l\u00e9trej\u00f6tt f\u00e9mes filmek vastags\u00e1ga <strong>6,3 \u00e9s 9,2 angstr\u00f6m k\u00f6z\u00f6tt<\/strong> volt. A kutat\u00f3k \u00e9rz\u00e9kletes p\u00e9ld\u00e1val \u00e9ltek: ha \u00edgy kilap\u00edtan\u00e1nk egy 3 m\u00e9teres f\u00e9mt\u00f6mb\u00f6t, az <strong>befedn\u00e9 eg\u00e9sz Peking v\u00e1ros\u00e1t<\/strong>.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">A f\u00e9mek <strong>atoml\u00e9pt\u00e9k\u0171 v\u00e9konys\u00e1ga \u00e9s kiv\u00e1l\u00f3 elektromos vezet\u0151k\u00e9pess\u00e9ge<\/strong> lehet\u0151v\u00e9 teszi p\u00e9ld\u00e1ul <strong>\u00e1tl\u00e1tsz\u00f3, rugalmas elektr\u00f3d\u00e1k<\/strong> gy\u00e1rt\u00e1s\u00e1t, amelyek <strong>tart\u00f3sabb, v\u00e9konyabb, hajl\u00edthat\u00f3 k\u00e9perny\u0151kh\u00f6z<\/strong> haszn\u00e1lhat\u00f3k.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">A katal\u00edzis ter\u00fclet\u00e9n ezek az anyagok <strong>ak\u00e1r t\u00f6bb tucatszoros\u00e1ra is n\u00f6velhetik a k\u00e9miai reakci\u00f3k hat\u00e9konys\u00e1g\u00e1t<\/strong>. Elektronikai alkalmaz\u00e1sban pedig <strong>ezerszer kisebb csipek<\/strong> k\u00e9sz\u00edthet\u0151k bel\u0151l\u00fck, <strong>az energiafogyaszt\u00e1s ak\u00e1r 1 sz\u00e1zal\u00e9k\u00e1ra<\/strong> cs\u00f6kkent\u00e9s\u00e9vel.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">A kutat\u00f3csoport \u2013 amelyet <strong>Vang Ce<\/strong>, <strong>Tang Cs\u00fcn<\/strong> \u00e9s <strong>Li Hung-vej<\/strong> vezet \u2013 jelenleg olyan <strong>k\u00e9tdimenzi\u00f3s f\u00e9m\u00f6tv\u00f6zetek el\u0151\u00e1ll\u00edt\u00e1s\u00e1n dolgozik<\/strong>, amelyek <strong>strat\u00e9giai jelent\u0151s\u00e9g\u0171 \u00e1gazatok<\/strong>, p\u00e9ld\u00e1ul <strong>a 6G kommunik\u00e1ci\u00f3 \u00e9s a kvantumsz\u00e1m\u00edt\u00e1stechnika<\/strong> sz\u00e1m\u00e1ra szolg\u00e1ltathatnak alapanyagot.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Ez a fejleszt\u00e9s <strong>nemcsak anyagtudom\u00e1nyi brav\u00far<\/strong>, hanem <strong>strat\u00e9giai jelent\u0151s\u00e9g\u0171 l\u00e9p\u00e9s is<\/strong>, amellyel K\u00edna tov\u00e1bb er\u0151s\u00edtheti glob\u00e1lis poz\u00edci\u00f3j\u00e1t a j\u00f6v\u0151 technol\u00f3gi\u00e1inak verseny\u00e9ben.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><a href=\"https:\/\/www.chinadaily.com.cn\/a\/202503\/25\/WS67e26a70a3101d4e4dc2ac36.html\"><em>China Daily<\/em><\/a><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n","protected":false},"excerpt":{"rendered":"<p>K\u00ednai kutat\u00f3knak siker\u00fclt el\u0151\u00e1ll\u00edtaniuk egy mind\u00f6ssze egy atomi r\u00e9teg vastags\u00e1g\u00fa f\u00e9met \u2013 ez az A4-es pap\u00edr egymilliomod r\u00e9sze. A kutat\u00e1st a K\u00ednai Tudom\u00e1nyos Akad\u00e9mia Fizikai Int\u00e9zete vezette, \u00e9s az \u00e1tt\u00f6r\u00e9s \u00faj szintre emelte a k\u00e9tdimenzi\u00f3s f\u00e9mes anyagok fejleszt\u00e9s\u00e9t. A tanulm\u00e1ny szerz\u0151i szerint ez a fejleszt\u00e9s \u00faj t\u00e1vlatokat nyit az \u00faj gener\u00e1ci\u00f3s elektronika, a kvantumsz\u00e1m\u00edt\u00f3g\u00e9pek \u00e9s [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":979,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"jnews-multi-image_gallery":[],"jnews_single_post":{"format":"standard"},"jnews_primary_category":[],"jnews_override_bookmark_settings":[],"jnews_social_meta":[],"jnews_override_counter":[],"footnotes":""},"categories":[2454],"tags":[316,288,47,435],"class_list":["post-970","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-kategoria-nelkuli-hu","tag-felfedezes","tag-innovacio","tag-kina","tag-kvantumtechnologia"],"aioseo_notices":[],"_links":{"self":[{"href":"https:\/\/ujvilagtrend.hu\/index.php?rest_route=\/wp\/v2\/posts\/970","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/ujvilagtrend.hu\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/ujvilagtrend.hu\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/ujvilagtrend.hu\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/ujvilagtrend.hu\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=970"}],"version-history":[{"count":3,"href":"https:\/\/ujvilagtrend.hu\/index.php?rest_route=\/wp\/v2\/posts\/970\/revisions"}],"predecessor-version":[{"id":978,"href":"https:\/\/ujvilagtrend.hu\/index.php?rest_route=\/wp\/v2\/posts\/970\/revisions\/978"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/ujvilagtrend.hu\/index.php?rest_route=\/wp\/v2\/media\/979"}],"wp:attachment":[{"href":"https:\/\/ujvilagtrend.hu\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=970"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/ujvilagtrend.hu\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=970"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/ujvilagtrend.hu\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=970"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}