Open AccessTHE EFFECT OF ELECTRON IRRADIATION ON α-LITHIUM IODATE CRYSTAL STRUCTURE
Author(s) -
Fanghua Li,
Fan Hai-Fu,
Junjie Gao
Publication year - 1981
Publication title -
wuli xuebao
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.199
H-Index - 47
ISSN - 1000-3290
DOI - 10.7498/aps.30.549
Subject(s) - irradiation , electron beam processing , materials science , iodate , lithium (medication) , crystal structure , electron , electron diffraction , recrystallization (geology) , thermoluminescence , crystallography , chemistry , optics , diffraction , iodine , physics , medicine , paleontology , quantum mechanics , nuclear physics , biology , endocrinology , metallurgy
The electron irradiation effects on the crystal structure of α-lithium iodate (α-LiIO3) have been observed by TEM. Under the irradiation of medium-intense electron beam with energy 100 KeV, α-LiIO3 transforms into γ-LiIO3 at first and then into Li2O and an other new type of Li-O compound which is probably a nonstoichiometric one and re-fered to as X compound. If the irradiation is carried out with more intense electron beam, α-LiIO3 crystal melts quickly. In that case, either a decrease in intensity of electron beam or a break in irradiation leads to recrystallization of the melted substance in the form of X compound which gradually transforms into Li2O and metal Li under subsequent electron irradiation. The phase tansformation form X compound into Li2O is reversible to certain extent. Besides, it is found that the electron irradiation effects on the structure of α-lithium iodate monocrystal is clearly anisotropic.