{"255231":{"#nid":"255231","#data":{"type":"news","title":"Record Maximum Oscillation Frequency in C-face Epitaxial Graphene Transistors","body":[{"value":"\u003Cp\u003EThe maximum oscillation frequency (fmax) quantifies the practical upper bound for useful circuit operation. We report here an fmax of 70 GHz in transistors using epitaxial graphene grown on the C-face of SiC. This is a significant improvement over Si-face epitaxial graphene used in the prior high frequency transistor studies, exemplifying the superior electronics potential of C-face epitaxial graphene. Careful transistor design using a high {\\kappa} dielectric T-gate and self-aligned contacts, further contributed to the record-breaking fmax.\u003C\/p\u003E","summary":null,"format":"limited_html"}],"field_subtitle":"","field_summary":[{"value":"\u003Cp\u003EThe maximum oscillation frequency (fmax) quantifies the practical upper bound for useful circuit operation. We report here an fmax of 70 GHz in transistors using epitaxial graphene grown on the C-face of SiC. This is a significant improvement over Si-face epitaxial graphene used in the prior high frequency transistor studies, exemplifying the superior electronics potential of C-face epitaxial graphene. Careful transistor design using a high {\\kappa} dielectric T-gate and self-aligned contacts, further contributed to the record-breaking fmax.\u003C\/p\u003E","format":"limited_html"}],"field_summary_sentence":[{"value":"We report here an fmax of 70 GHz in transistors using epitaxial graphene grown on the C-face of SiC."}],"uid":"27428","created_gmt":"2013-11-15 15:02:20","changed_gmt":"2016-10-08 03:15:22","author":"Gina Adams","boilerplate_text":"","field_publication":"","field_article_url":"","dateline":{"date":"2013-02-21T00:00:00-05:00","iso_date":"2013-02-21T00:00:00-05:00","tz":"America\/New_York"},"extras":[],"related_links":[{"url":"http:\/\/pubs.acs.org\/doi\/abs\/10.1021\/nl303587r","title":"NANO Letters"}],"groups":[{"id":"60783","name":"MRSEC"}],"categories":[{"id":"42941","name":"Art Research"}],"keywords":[{"id":"9116","name":"epitaxial graphene"}],"core_research_areas":[{"id":"39451","name":"Electronics and Nanotechnology"},{"id":"39471","name":"Materials"}],"news_room_topics":[],"event_categories":[],"invited_audience":[],"affiliations":[],"classification":[],"areas_of_expertise":[],"news_and_recent_appearances":[],"phone":[],"contact":[],"email":[],"slides":[],"orientation":[],"userdata":""}}}