Nanophotonics: Haɗa haske da kwayoyin halitta
by Marubutan Ma'aikata
Munich, Jamus (SPX) Yuni 24, 2023
Haɗin kai na haske da kwayoyin halitta akan nanoscale wani muhimmin al'amari ne na nanophotonics. Resonant nanosystems suna ba masana kimiyya damar sarrafawa da haɓaka makamashin lantarki a ƙarami fiye da tsawon hasken abin da ya faru.
Kazalika ba da damar kama hasken rana yadda ya kamata, suna kuma sauƙaƙe ingantacciyar jagorar igiyar ruwa da sarrafa hayaki. Ƙarfin haɗakar haske tare da tashin hankali na lantarki a cikin kayan aiki mai ƙarfi yana haifar da yanayin photonic da lantarki, abin da ake kira polaritons, wanda zai iya nuna kaddarorin ban sha'awa irin su Bose-Einstein condensation da superfluidity.
Wani sabon binciken, wanda aka buga a cikin mujallar Nature Materials, ya gabatar da ci gaba a cikin haɗakar haske da kwayoyin halitta akan nanoscale. Masu bincike karkashin jagorancin masanin kimiyyar lissafi na LMU Dokta Andreas Tittl sun ƙera metasurface wanda ke ba da damar tasiri mai ƙarfi tsakanin haske da tsaka-tsakin ƙarfe dichalcogenides (TMDCs).
Wannan dandali na sabon labari ya dogara ne akan jihohin da ke da alaƙa a cikin ci gaba, waɗanda ake kira BICs, a cikin nanostructured tungsten disulfide (WS2).
Yin amfani da WS2 na lokaci guda a matsayin kayan tushe don kera metasurfaces tare da kaifi resonances kuma a matsayin abokin haɗin gwiwa mai goyan bayan tashin hankali kayan aiki yana buɗe sabbin damar yin bincike cikin aikace-aikacen polaritonic.
Muhimmin ci gaba a cikin wannan bincike shine sarrafa ƙarfin haɗin gwiwa, wanda ke zaman kansa daga hasara a cikin kayan. Saboda dandalin metasurface yana iya haɗa wasu TMDCs ko kayan haɓakawa ba tare da wahala ba, yana iya ba da mahimman bayanai da dabarun na'urori masu amfani don aikace-aikacen polaritonic.
Haka kuma, ra'ayin sabon ɓullo da metasurface yana ba da tushe don aikace-aikace a cikin lasers mai ƙarancin kofa mai iya sarrafawa, haɓaka photocatalytic, da ƙididdigar ƙididdigewa.
Rahoton Bincike:Haɗe-haɗe mai ƙarfi mai ƙarfi-haske tare da haɗaɗɗun jahohi masu ɗaure kai a cikin ci gaba a cikin van der Waals metasurfaces
shafi Links
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- Source: https://www.spacedaily.com/reports/Nanophotonics_Coupling_light_and_matter_999.html
