100% karfe mai kyau na NbTe2: A cikin nau'i mai yawa, niobium ditelluride karfe ne. Kamar molybdenum disulfide, yana da tsarin layered (lamellar) tare da raunin haɗin layi. NbTe2 yana nuna halayen karfe da na superconducting. Yana fuskantar sauyawar superconducting a kusa da 1.1 K a cikin yawa, amma an yi hasashen cewa zai fi girma don takardun ƙananan takardun. Ba kamar sauran tushen ba, ana girma lu'ulu'u na NbTe2 ta hanyar lalacewa da fasahar yankin kwarara kyauta (duba kwatancen tsakanin jigilar tururi na sinadarai [CVT] a ƙasa). Yanayi mai tsabta da mara lahani ya ba masu bincike damar lura da tsabtace superconductivity, sauyawar mataki, da yin ma'aunin sufuri na quantum tare da amincewa da lu'ulu'u.

Idan bincikenku yana buƙatar samfuran NbTe2 masu laushi don auna ma'aunin microscopy na rami (STM) don Allah tuntuɓi mu.

Kasuwancin NbTe2 crystals ta 2Dsemiconductors Amurka

Hanyar girma tana da mahimmanci> Yankin gudanarwa ko hanyar girma ta CVT? Gurɓataccen halides da lahani a cikin lu'ulu'u masu layered sanannun dalili ne na rage motsi na lantarki, rage amsar anisotropic, rashin haɗuwa da e-h, ƙananan fitar da PL, da ƙananan sha na gani. Fasahar yankin flux fasaha ce mai kyautar halide da ake amfani da ita don haɗa lu'ulu'u na vdW na gaske. Wannan hanyar ta bambanta kanta da fasahar sufuri na tururi na sinadarai (CVT) a cikin wannan batun: CVT hanyar haɓaka ce mai sauri (~ makonni 2) amma tana nuna ingancin crystalline mai rauni kuma haɓaka lahani ya kai 1E11 zuwa 1E12 cm-2. Sabanin haka, hanyar kwarara tana ɗaukar dogon (~ watanni 3) lokacin girma, amma tana tabbatar da jinkirin crystallization don cikakken tsarin atomic, da kuma girman crystal kyauta tare da haɗin hankali na lahani kamar 1E9 - 1E10 cm-2. A lokacin duba kawai jihar irin tsarin girma da aka fi so. Sai dai idan aka ambata akasin haka, 2Dsemiconductors suna jigilar da lu'ulu'u na yankin Flux a matsayin zaɓi na tsoho.