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Directional effect on coloration in LiF crystal by H{sup +} and H{sub 2}{sup +} ion bombardment

Abstract

In the present paper, the first results are reported about the coloration in LiF crystals induced by bombardments of single hydrogen ions (H{sup +}) and molecular hydrogen ions (H{sub 2}{sup +}) with the same velocity under the <100> aligned and random conditions. For the single hydrogen ion irradiation, the coloration is rather simple. The F-type color center absorption under the <100> aligned condition becomes larger than that under the random condition with the dose increase because of larger fraction of electronic energy loss under channeling condition. On the contrary, the coloration for the molecular ions does not show big channeling effect. In the low dose region some difference can be seen but the difference of coloration is not observed any more with the dose increase. The pronounced coloration for molecular ions under the channeling condition is observed in comparison with that for single ions. (author)
Authors:
Mingle, Gan; Naramoto, Hiroshi; Aoki, Yasushi; Yamamoto, Shunya; Jianer, Zeng; Takeshita, Hidefumi [1] 
  1. Japan Atomic Energy Research Inst., Takasaki, Gunma (Japan). Takasaki Radiation Chemistry Research Establishment
Publication Date:
Mar 01, 1997
Product Type:
Conference
Report Number:
JAERI-Conf-97-003; CONF-9603254-
Reference Number:
SCA: 665300; PA: JPN-97:010145; EDB-98:041238; SN: 98001890488
Resource Relation:
Conference: 7. international symposium on advanced nuclear energy research, Takasaki (Japan), 18-20 Mar 1996; Other Information: PBD: Mar 1997; Related Information: Is Part Of Recent progress in accelerator beam application. Proceedings of the 7th international symposium on advanced nuclear energy research; PB: 553 p.
Subject:
66 PHYSICS; LITHIUM FLUORIDES; IRRADIATION; MONOCRYSTALS; ION BEAMS; PROTONS; COLORATION; ABSORPTION SPECTRA; F CENTERS; ION IMPLANTATION
OSTI ID:
588388
Research Organizations:
Japan Atomic Energy Research Inst., Tokyo (Japan)
Country of Origin:
Japan
Language:
English
Other Identifying Numbers:
Other: ON: DE97764433; TRN: JP9710145
Availability:
OSTI as DE97764433
Submitting Site:
JPN
Size:
pp. 327-330
Announcement Date:

Citation Formats

Mingle, Gan, Naramoto, Hiroshi, Aoki, Yasushi, Yamamoto, Shunya, Jianer, Zeng, and Takeshita, Hidefumi. Directional effect on coloration in LiF crystal by H{sup +} and H{sub 2}{sup +} ion bombardment. Japan: N. p., 1997. Web.
Mingle, Gan, Naramoto, Hiroshi, Aoki, Yasushi, Yamamoto, Shunya, Jianer, Zeng, & Takeshita, Hidefumi. Directional effect on coloration in LiF crystal by H{sup +} and H{sub 2}{sup +} ion bombardment. Japan.
Mingle, Gan, Naramoto, Hiroshi, Aoki, Yasushi, Yamamoto, Shunya, Jianer, Zeng, and Takeshita, Hidefumi. 1997. "Directional effect on coloration in LiF crystal by H{sup +} and H{sub 2}{sup +} ion bombardment." Japan.
@misc{etde_588388,
title = {Directional effect on coloration in LiF crystal by H{sup +} and H{sub 2}{sup +} ion bombardment}
author = {Mingle, Gan, Naramoto, Hiroshi, Aoki, Yasushi, Yamamoto, Shunya, Jianer, Zeng, and Takeshita, Hidefumi}
abstractNote = {In the present paper, the first results are reported about the coloration in LiF crystals induced by bombardments of single hydrogen ions (H{sup +}) and molecular hydrogen ions (H{sub 2}{sup +}) with the same velocity under the <100> aligned and random conditions. For the single hydrogen ion irradiation, the coloration is rather simple. The F-type color center absorption under the <100> aligned condition becomes larger than that under the random condition with the dose increase because of larger fraction of electronic energy loss under channeling condition. On the contrary, the coloration for the molecular ions does not show big channeling effect. In the low dose region some difference can be seen but the difference of coloration is not observed any more with the dose increase. The pronounced coloration for molecular ions under the channeling condition is observed in comparison with that for single ions. (author)}
place = {Japan}
year = {1997}
month = {Mar}
}