THE EFFECT OF X- AND GAMMA-RAYS ON THE ABSORPTION AND EXCITATION SPECTRA ON KCl + TlCl, KCl + CuCl$sub 2$ AND KCl + AgCl SINGLE CRYSTALS

Journal Article · Fri Jan 01 04:00:00 EST 1960 · Trudy Inst. Fiz., Akad. Nauk Azerbaidzhan. S.S.R.

OSTI ID:4839914

Khalilov, A Kh; Salaev, E Yu

While absorption spectra of KCl crystals activated with Tl, Cu and Ag admixtures have been investigated by several authors, the data do not agree well; in addition, the excitation spectra are insufficiently known. For these reasons the action of x- and gamma -rays on the visible and ultraviolet luminescence spectra of these monocrystalline phosphors was further studied, comparing the spectra of the base and of the excited states. A 45-kv, 10-milliamp W tube and a 2.5-curie Co/sup 60/ source were used for the irradiation tests which indicated the formation of supplementary absorption bands with the following maxima: 218, 230, 292, 323, 282, 563 and 825 m mu for KCl + TlCl; 218, 235, 255, 290, 355, 825 and 563 (sic) m mu for KCl + CuCl/sub 2/. The admixtures exert an effect on the capture probability of electrons and voids by microdefects in the KCl lattice. In the KCl + CuCl/sub 2/ excitation spectrum the intensity of the ultraviolet luminescence is higher than that of the visible luminescence. (TTT)

• Research Organization: Originating Research Org. not identified
• NSA Number: NSA-15-031284
• OSTI ID: 4839914
• Journal Information: Trudy Inst. Fiz., Akad. Nauk Azerbaidzhan. S.S.R., Journal Name: Trudy Inst. Fiz., Akad. Nauk Azerbaidzhan. S.S.R. Vol. Vol: 10
• Country of Publication: Country unknown/Code not available
• Language: Russian

Related Subjects

ABSORPTION
CAPTURE
COPPER CHLORIDES
CRYSTALS
DEFECTS
ELECTRONS
EXCITATION
GAMMA RADIATION
IMPURITIES
LATTICES
LIGHT
LUMINESCENCE
METALS, CERAMICS, AND OTHER MATERIALS
PHOSPHORS
POTASSIUM CHLORIDES
RADIATION EFFECTS
SILVER CHLORIDES
SPECTRA
THALLIUM CHLORIDES
ULTRAVIOLET RADIATION
VOIDS
X RADIATION