Bothata bo teng ka har'a carbon monolayer ea amorphous e fetola tsamaiso ea motlakase

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Khokahano ea litlhophiso tsa athomo, haholo-holo tekanyo ea pherekano (DOD) ea li-amorphous solids tse nang le thepa, ke sebaka sa bohlokoa sa thahasello ho mahlale a thepa le fisiks ea lintho tse khutsufalitsoeng ka lebaka la bothata ba ho khetholla hantle maemo a liathomo ka mahlakore a mararo. mehaho1,2,3,4., Sephiri sa khale, 5. Ho fihlela sena, litsamaiso tsa 2D li fana ka temohisiso ea sephiri ka ho lumella liathomo tsohle hore li hlahisoe ka ho toba 6,7.Ho nahana ka ho otloloha ha amorphous monolayer of carbon (AMC) e hōlileng ka laser deposition ho rarolla bothata ba tlhophiso ea athomo, ho tšehetsa pono ea morao-rao ea likristale ka lintho tse tiileng tsa khalase tse thehiloeng ho khopolo-taba ea marang-rang8.Leha ho le joalo, kamano ea sesosa pakeng tsa sebopeho sa tekanyo ea athomo le thepa ea macroscopic e ntse e sa hlaka.Mona re tlaleha tokiso e bonolo ea DOD le conductivity lifiliming tse tšesaane tsa AMC ka ho fetola mocheso oa kholo.Haholo-holo, mocheso oa pyrolysis threshold ke oa bohlokoa bakeng sa ho hōla li-AMC tsa conductive tse nang le mefuta e mengata e fapaneng ea ho tlola (MRO), ha ho phahamisa mocheso ka 25 ° C ho etsa hore li-AMC li lahleheloe ke MRO 'me li be le motlakase, li eketsa ho hanyetsa lakane. thepa ka makhetlo a 109.Ntle le ho bona li-nanocrystallite tse sothehileng haholo tse kentsoeng marang-rang a sa khaotseng, microscope ea athomo ea elektronike e senotse ho ba teng / ho ba sieo ha MRO le mocheso oa nanocrystallite o itšetlehileng ka mocheso, litekanyetso tse peli tsa litaelo tse hlahisitsoeng bakeng sa tlhaloso e pharaletseng ea DOD.Lipalo tsa lipalo li thehile 'mapa oa conductivity e le ts'ebetso ea mekhahlelo ena e' meli, e amanang ka kotloloho le sebopeho sa microstructure le thepa ea motlakase.Mosebetsi oa rona o emela mohato oa bohlokoa oa ho utloisisa kamano pakeng tsa sebopeho le thepa ea thepa ea amorphous boemong ba motheo le ho bula tsela bakeng sa lisebelisoa tsa elektronike tse sebelisang lisebelisoa tsa amorphous tse peli-dimensional.
Lintlha tsohle tse amehang tse hlahisitsoeng le/kapa tse hlahlobiloeng thutong ena li fumaneha ho tsoa ho bangoli ba fapaneng ka kopo e utloahalang.
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Mosebetsi ona o ile oa tšehetsoa ke Lenane la National Key R & D la Chaena (2021YFA1400500, 2018YFA0305800, 2019YFA0307800, 2020YFF01014700, 2017YFA0206300), National Natural Science Foundation 25 18 China 001, 22075001, 11974024, 11874359, 92165101, 11974388, 51991344) , Beijing Natural Science Foundation (2192022, Z190011), Beijing Distinguished Young Scientist Programme (BJJWZYJH01201914430039), Guangdong Provincial Key Area Research and Development Program (2019B010934001), China Academy of Sciences Program00 Grant0 ea China Academy of Sciences Grant0 Grant03 Leano la Frontier la lipatlisiso tsa bohlokoa tsa mahlale (QYZDB-SSW-JSC019).JC e leboha Beijing Natural Science Foundation ea Chaena (JQ22001) bakeng sa tšehetso ea bona.LW e leboha Mokhatlo oa Ho Ntšetsa Phano ea Bacha oa Sekolo sa Mahlale sa China (2020009) bakeng sa tšehetso ea bona.Karolo e 'ngoe ea mosebetsi e ile ea etsoa ka mochine o tsitsitseng o matla oa khoheli oa High Magnetic Field Laboratory ea Chinese Academy of Sciences ka tšehetso ea Profinse ea Anhui High Magnetic Field Laboratory.Lisebelisoa tsa komporo li fanoa ke sethala sa supercomputing sa Univesithi ea Peking, setsi sa supercomputing sa Shanghai le komporo e kholo ea Tianhe-1A.
Эти авторы внесли равный вклад: Huifeng Tian, ​​Yinhang Ma, Zhenjiang Li, Mouyang Cheng, Shoucong Ning.
Huifeng Tian, ​​Zhenjian Li, Juijie Li, PeiChi Liao, Shulei Yu, Shizhuo Liu, Yifei Li, Xinyu Huang, Zhixin Yao, Li Lin, Xiaoxui Zhao, Ting Lei, Yanfeng Zhang, Yanlong Hou and Lei Liu
Sekolo sa Fisiks, Vacuum Physics Key Laboratory, Univesithi ea Chinese Academy of Sciences, Beijing, Chaena
Lefapha la Lisebelisoa tsa Saense le Boenjiniere, Univesithi ea Sechaba ea Singapore, Singapore, Singapore
Laboratori ea Naha ea Beijing ea Saense ea Limolek'hule, Sekolo sa K'hemistri le Boenjiniere ba Limolek'hule, Univesithi ea Peking, Beijing, Chaena
Laboratori ea Naha ea Beijing bakeng sa Fisiks ea Mantlha e Khunolotsoeng, Setsi sa Fisiks, Sekolo sa Mahlale sa China, Beijing, China


Nako ea poso: Mar-02-2023
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