LiNbO₃ ba a samuwa a cikin yanayi a matsayin ma'adinai na halitta. Tsarin crystal na lithium niobate (LN) lu'ulu'u ne aka fara bayar da rahoton Zachariasen a cikin 1928. A cikin 1955 Lapitskii da Simanov sun ba da sigogin lattice na tsarin hexagonal da trigonal na LN crystal ta hanyar nazarin diffraction na X-ray. A 1958, Reisman da Holtzberg sun ba da pseudoelement na Li₂O-Nb₂O₅ ta hanyar bincike na thermal, X-ray diffraction analysis and density test.

Jadawalin lokaci ya nuna cewa Li₃NbO₄, LiNbO₃, Linb₃O₈ da Li₂Nb₂₈O₇₁ duka za a iya kafa daga Li₂O-Nb₂O₅. Saboda shirye-shiryen crystal da kaddarorin kayan, LiNbO kawai₃ an yi nazari sosai kuma an yi amfani da shi. Bisa ga ka'idar sunan suna, LithiumNiobate ya kamata Li₃NbO₄, da LiNbO₃ Ya kamata a kira Lithium Metaniobate. A farkon matakin, LiNbO₃ hakika ana kiransa lithium Metaniobate crystal, amma saboda da Lu'ulu'u na LN tare da sauran uku m lokacis Ba a yi nazari sosai ba, yanzu LiNbO₃ shine kusan ba a kira ba Lithim Metniobate, amma an san shi da yawa Lithim Niobate.

LiNbO3 (LN) crystal mai inganci wanda WISPTIC.com ya haɓaka

Wurin narkar da ruwa da ƙwaƙƙwaran abubuwan kristal na LN bai dace da rabonsa na stoichiometric ba. High quality guda lu'ulu'u tare da kai da wutsiya aka gyara za a iya sauƙi girma ta hanyar narke crystallization hanya kawai a lokacin da kayan tare da wannan abun da ke ciki na m mataki da ruwa mataki da ake amfani. Don haka, an yi amfani da lu'ulu'u na LN tare da kyawawan kaddarorin eutectic madaidaicin ruwa mai ƙarfi. Lu'ulu'u na LN galibi ba a bayyana su suna nufin waɗanda ke da abun da ke ciki ɗaya ba, kuma abun cikin lithium ([Li]/[Li+Nb]) yana kusan 48.6%. Rashin yawan adadin lithium ions a cikin LN crystal yana haifar da adadi mai yawa na lattice, wanda ke da tasiri mai mahimmanci guda biyu: Na farko, yana rinjayar kaddarorin LN crystal; Na biyu, lahani na lattice yana ba da muhimmin tushe ga injiniyan doping na LN crystal, wanda zai iya daidaita aikin kristal yadda ya kamata ta hanyar ka'idojin abubuwan kristal, doping da valence kula da abubuwan da aka yi amfani da su, wanda kuma yana ɗaya daga cikin mahimman dalilai na kulawar kristal. LN crystal.

Daban-daban daga talakawa LN crystal, akwai “kusa da stoichiometric LN crystal” wanda [Li]/[Nb] yakai kusan 1. Da yawa daga cikin kaddarorin photoelectric na wannan kusa da lu'ulu'u na LN na stoichiometric sun fi shahara fiye da na lu'ulu'u na LN na yau da kullun, kuma sun fi kula da yawancin kaddarorin photoelectric saboda kusa-stoichiometric doping, don haka an yi nazarin su sosai. Duk da haka, tun da kusa-stoichiometric LN crystal ba eutectic tare da m da ruwa aka gyara, yana da wuya a shirya high quality-daya crystal ta al'ada Czochralski. hanya. Don haka akwai sauran ayyuka da yawa da za a yi don shirya ingantacciyar inganci da farashi mai tsada kusa-stoichiometric LN crystal don amfani mai amfani.