Abstract
For the first time the possibility of synthesizing of an optical ceramics MgF2 using a powerful electron beam as a heater is shown. In the process of synthesis, the charges consisting of magnesium fluoride powder with different ratio between the dopants WO3 and LiOH were exposed to an electron beam with 1.4 MeV electron energy and power of 18 kW on an area of 1 cm2. Investigations of the elemental composition and structure of the synthesized ceramics showed the presence of crystalline phases MgF2, W, WO3, and Mg in the samples. The size of the crystalline grains and efficiency of their formation depend on the composition of the charge. It was found that the synthesized ceramics samples luminesce in the 470 nm region at 300 K. Excitation spectrum of this emission in ceramics consists of two bands with maxima at 250 nm and about 200 nm. The spectral properties of MgF2 ceramics in general are similar to those in ZnWO4 single crystals and LiF crystals doped with tungsten oxide.
| Original language | English |
|---|---|
| Pages (from-to) | 263-267 |
| Number of pages | 5 |
| Journal | Nuclear Instruments and Methods in Physics Research, Section B: Beam Interactions with Materials and Atoms |
| Volume | 435 |
| DOIs | |
| Publication status | Published - 15 Nov 2018 |
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Keywords
- Photoluminescence
- Powerful electron beam
- Synthesis of MgF ceramics
- Tungsten oxide
ASJC Scopus subject areas
- Nuclear and High Energy Physics
- Instrumentation
Cite this
Luminescence of the tungsten-activated MgF2 ceramics synthesized under the electron beam. / Lisitsyn, V.; Lisitsyna, L.; Dauletbekova, A.; Golkovskii, M.; Karipbayev, Zh; Musakhanov, D.; Akilbekov, A.; Zdorovets, M.; Kozlovskiy, A.; Polisadova, E.
In: Nuclear Instruments and Methods in Physics Research, Section B: Beam Interactions with Materials and Atoms, Vol. 435, 15.11.2018, p. 263-267.Research output: Contribution to journal › Article
}
TY - JOUR
T1 - Luminescence of the tungsten-activated MgF2 ceramics synthesized under the electron beam
AU - Lisitsyn, V.
AU - Lisitsyna, L.
AU - Dauletbekova, A.
AU - Golkovskii, M.
AU - Karipbayev, Zh
AU - Musakhanov, D.
AU - Akilbekov, A.
AU - Zdorovets, M.
AU - Kozlovskiy, A.
AU - Polisadova, E.
PY - 2018/11/15
Y1 - 2018/11/15
N2 - For the first time the possibility of synthesizing of an optical ceramics MgF2 using a powerful electron beam as a heater is shown. In the process of synthesis, the charges consisting of magnesium fluoride powder with different ratio between the dopants WO3 and LiOH were exposed to an electron beam with 1.4 MeV electron energy and power of 18 kW on an area of 1 cm2. Investigations of the elemental composition and structure of the synthesized ceramics showed the presence of crystalline phases MgF2, W, WO3, and Mg in the samples. The size of the crystalline grains and efficiency of their formation depend on the composition of the charge. It was found that the synthesized ceramics samples luminesce in the 470 nm region at 300 K. Excitation spectrum of this emission in ceramics consists of two bands with maxima at 250 nm and about 200 nm. The spectral properties of MgF2 ceramics in general are similar to those in ZnWO4 single crystals and LiF crystals doped with tungsten oxide.
AB - For the first time the possibility of synthesizing of an optical ceramics MgF2 using a powerful electron beam as a heater is shown. In the process of synthesis, the charges consisting of magnesium fluoride powder with different ratio between the dopants WO3 and LiOH were exposed to an electron beam with 1.4 MeV electron energy and power of 18 kW on an area of 1 cm2. Investigations of the elemental composition and structure of the synthesized ceramics showed the presence of crystalline phases MgF2, W, WO3, and Mg in the samples. The size of the crystalline grains and efficiency of their formation depend on the composition of the charge. It was found that the synthesized ceramics samples luminesce in the 470 nm region at 300 K. Excitation spectrum of this emission in ceramics consists of two bands with maxima at 250 nm and about 200 nm. The spectral properties of MgF2 ceramics in general are similar to those in ZnWO4 single crystals and LiF crystals doped with tungsten oxide.
KW - Photoluminescence
KW - Powerful electron beam
KW - Synthesis of MgF ceramics
KW - Tungsten oxide
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UR - http://www.scopus.com/inward/citedby.url?scp=85034218826&partnerID=8YFLogxK
U2 - 10.1016/j.nimb.2017.11.012
DO - 10.1016/j.nimb.2017.11.012
M3 - Article
VL - 435
SP - 263
EP - 267
JO - Nuclear Instruments and Methods in Physics Research, Section B: Beam Interactions with Materials and Atoms
JF - Nuclear Instruments and Methods in Physics Research, Section B: Beam Interactions with Materials and Atoms
SN - 0168-583X
ER -