{"id":104544,"date":"2024-10-11T09:00:08","date_gmt":"2024-10-11T09:00:08","guid":{"rendered":"https:\/\/kamucalisani.net\/?p=104544"},"modified":"2024-10-11T09:00:08","modified_gmt":"2024-10-11T09:00:08","slug":"yeni-nesil-transistorler-icin-darpa-dugmeye-basti","status":"publish","type":"post","link":"https:\/\/kamucalisani.net\/index.php\/2024\/10\/11\/yeni-nesil-transistorler-icin-darpa-dugmeye-basti\/","title":{"rendered":"Yeni nesil transist\u00f6rler i\u00e7in DARPA d\u00fc\u011fmeye bast\u0131"},"content":{"rendered":"<p><figure> <span> <img decoding=\"async\" src=\"https:\/\/kamucalisani.net\/wp-content\/uploads\/2024\/10\/yeni-nesil-transistorler-icin-darpa-dugmeye-basti-0-RaD1OSCK.jpg\"\/> <\/span> ABD Savunma Bakanl\u0131\u011f\u0131\u2019na ba\u011fl\u0131 Savunma \u0130leri Ara\u015ft\u0131rma Projeleri Ajans\u0131 (<strong>DARPA<\/strong>), <strong>\u00c7in<\/strong>&#8216;in <strong>galyum<\/strong> ihracat\u0131na getirdi\u011fi k\u0131s\u0131tlamalara yan\u0131t olarak, Raytheon \u015firketine yeni nesil <strong>transist\u00f6rler<\/strong> geli\u015ftirme g\u00f6revi verdi. Raytheon, <strong>sentetik elmas<\/strong> ve <strong>al\u00fcminyum nitr\u00fcr yar\u0131<\/strong> iletkenlerini kullanarak mevcut ve gelecekteki radar, ileti\u015fim sistemleri ve ileri teknoloji silah sistemlerinde kullan\u0131lacak cihazlar \u00fczerinde \u00e7al\u0131\u015facak. <\/figure>\n<p><b>GaN transist\u00f6rlere rakip geliyor<\/b><\/p>\n<p>\u00c7in, galyum arz\u0131n\u0131n b\u00fcy\u00fck bir k\u0131sm\u0131n\u0131 kontrol ediyor ve son d\u00f6nemde bu de\u011ferli yar\u0131 iletken malzemenin ihracat\u0131n\u0131 ABD\u2019nin ticaret engellerine bir cevap olarak <strong>k\u0131s\u0131tlad\u0131<\/strong>. Galyum nitrit (GaN), \u00f6zellikle y\u00fcksek g\u00fc\u00e7 ve y\u00fcksek frekansl\u0131 <strong>yar\u0131 iletkenlerde kritik<\/strong> bir malzeme olarak \u00f6ne \u00e7\u0131k\u0131yor. Aktar\u0131lanlara g\u00f6re bu kritik malzemeye eri\u015fememek ABD&#8217;nin ulusal g\u00fcvenli\u011fi i\u00e7in potansiyel bir risk anlam\u0131na geliyor.<\/p>\n<p>DARPA&#8217;n\u0131n Raytheon&#8217;a verdi\u011fi <strong>\u00fc\u00e7 y\u0131ll\u0131k kontrat<\/strong>, sentetik elmas ve al\u00fcminyum nitr\u00fcr bazl\u0131 yar\u0131 iletkenlerin geli\u015ftirilmesini hedefliyor. Bu malzemeler, \u00f6zellikle <strong>radar sistemleri, radyo frekans\u0131 anahtarlar\u0131, g\u00fc\u00e7 amplifikat\u00f6rleri<\/strong> <strong>ve elektronik harp<\/strong> gibi alanlarda kullan\u0131lacak. Raytheon, bu teknolojileri geli\u015ftirerek i\u015fbirli\u011fine dayal\u0131 alg\u0131lama, elektronik sava\u015f, y\u00f6nlendirilmi\u015f enerji ve hipersonik gibi y\u00fcksek h\u0131zl\u0131 silah sistemleri i\u00e7in optimize etmeyi ama\u00e7l\u0131yor.<\/p>\n<figure> <span> <img decoding=\"async\" src=\"https:\/\/kamucalisani.net\/wp-content\/uploads\/2024\/10\/yeni-nesil-transistorler-icin-darpa-dugmeye-basti-1-cZaugBqO.jpg\"\/> <\/span> <strong>Sentetik elmas<\/strong>, <strong>5.5 eV\u2019lik geni\u015f bant aral\u0131\u011f\u0131<\/strong> ile GaN\u2019in sundu\u011fu 3.4 eV\u2019lik band aral\u0131\u011f\u0131ndan daha \u00fcst\u00fcn \u00f6zellikler vaat ediyor. Y\u00fcksek frekans performans\u0131, elektron hareketlili\u011fi ve \u0131s\u0131 y\u00f6netimi konusunda ileri d\u00fczeyde avantajlar sunarken, g\u00fc\u00e7 y\u00f6netimi ve dayan\u0131kl\u0131l\u0131k a\u00e7\u0131s\u0131ndan da kritik \u00f6neme sahip. K\u00f6t\u00fc haber ise bu malzemenin seri \u00fcretimi olduk\u00e7a zor. <strong>Al\u00fcminyum nitr\u00fcr<\/strong> (AlN) ise <strong>6.2 eV\u2019lik bant aral\u0131\u011f\u0131<\/strong> ile \u00e7ok daha geni\u015f bir bant aral\u0131\u011f\u0131 sunarak, galyum nitritin de \u00f6tesine ge\u00e7ebilecek potansiyele sahip. <\/figure>\n<p>Raytheon\u2019un proje kapsam\u0131nda iki a\u015famada \u00e7al\u0131\u015fmas\u0131 planlan\u0131yor. \u0130lk a\u015famada, sentetik elmas ve al\u00fcminyum nitr\u00fcr tabanl\u0131 yar\u0131 iletken filmler geli\u015ftirilecek. \u0130kinci a\u015famada ise bu malzemeler, sens\u00f6r uygulamalar\u0131na uygun \u015fekilde daha geni\u015f \u00e7apl\u0131 plakalara entegre edilecek. Raytheon, galyum arsenit (GaAs) ve galyum nitrit (GaN) teknolojilerinin radar sistemlerine entegrasyonu konusunda zaten \u00f6nemli bir tecr\u00fcbeye sahip.<\/p>\n<p>\u015eirketin \u0130leri Teknoloji Ba\u015fkan\u0131 <strong>Colin Whelan<\/strong>, bu projeyle birlikte yar\u0131 iletken teknolojisinde yeni bir devrimin kap\u0131lar\u0131n\u0131n aralanaca\u011f\u0131n\u0131 belirterek, <em>&#8220;Raytheon, GaAs ve GaN gibi malzemelerin geli\u015ftirilmesinde b\u00fcy\u00fck bir deneyime sahip. Bu uzmanl\u0131\u011f\u0131m\u0131z\u0131 kullanarak, bu malzemeleri [sentetik elmas ve al\u00fcminyum nitr\u00fcr\u00fc] gelecekteki uygulamalara y\u00f6nelik olarak olgunla\u015ft\u0131rmak i\u00e7in \u00e7al\u0131\u015faca\u011f\u0131z.&#8221;<\/em> dedi. Ancak \u015firket hen\u00fcz bu planlar\u0131n erken a\u015famas\u0131nda bulunuyor.<\/p>\n\n<p>Kaynak\u00a0 :\u00a0<span style=\"background-color: rgb(255, 249, 236); color: rgb(55, 58, 60); font-size: 14px;\">https:\/\/www.donanimhaber.com\/yeni-nesil-transistorler-icin-darpa-dugmeye-basti&#8211;182950<\/span><\/p>\n","protected":false},"excerpt":{"rendered":"<p>ABD Savunma Bakanl\u0131\u011f\u0131\u2019na ba\u011fl\u0131 Savunma \u0130leri Ara\u015ft\u0131rma Projeleri Ajans\u0131 (DARPA), \u00c7in&#8217;in galyum ihracat\u0131na getirdi\u011fi k\u0131s\u0131tlamalara yan\u0131t olarak, Raytheon \u015firketine yeni nesil transist\u00f6rler geli\u015ftirme g\u00f6revi verdi. Raytheon, sentetik elmas ve &#8230;<\/p>\n","protected":false},"author":1,"featured_media":104545,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[8],"tags":[6049,3216,6880,97,3106],"class_list":["post-104544","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-teknoloji","tag-gan","tag-malzeme","tag-raytheon","tag-teknoloji","tag-yari-iletken"],"_links":{"self":[{"href":"https:\/\/kamucalisani.net\/index.php\/wp-json\/wp\/v2\/posts\/104544","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/kamucalisani.net\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/kamucalisani.net\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/kamucalisani.net\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/kamucalisani.net\/index.php\/wp-json\/wp\/v2\/comments?post=104544"}],"version-history":[{"count":1,"href":"https:\/\/kamucalisani.net\/index.php\/wp-json\/wp\/v2\/posts\/104544\/revisions"}],"predecessor-version":[{"id":104548,"href":"https:\/\/kamucalisani.net\/index.php\/wp-json\/wp\/v2\/posts\/104544\/revisions\/104548"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/kamucalisani.net\/index.php\/wp-json\/wp\/v2\/media\/104545"}],"wp:attachment":[{"href":"https:\/\/kamucalisani.net\/index.php\/wp-json\/wp\/v2\/media?parent=104544"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/kamucalisani.net\/index.php\/wp-json\/wp\/v2\/categories?post=104544"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/kamucalisani.net\/index.php\/wp-json\/wp\/v2\/tags?post=104544"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}