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Electron immigration from shallow traps to deep traps by tunnel mechanism on Seydişehir aluminas
In this study, the fading mechanism of Seydişehir alumina in Turkey, which is considered to be used for radiation dosimetric purposes, was investigated. The materials were first exposed to beta radiation and then stored in dark and dry ambient conditions at room temperature (RT) at previously desire...
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| Published in: | Journal of luminescence 2011-12, Vol.131 (12), p.2625-2629 |
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| Main Authors: | , , |
| Format: | Article |
| Language: | English |
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| cited_by | cdi_FETCH-LOGICAL-c344t-794d3497e410ce24458fb487c0cb83d9d316677f441b86cbd1190ccc5476017f3 |
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| cites | cdi_FETCH-LOGICAL-c344t-794d3497e410ce24458fb487c0cb83d9d316677f441b86cbd1190ccc5476017f3 |
| container_end_page | 2629 |
| container_issue | 12 |
| container_start_page | 2625 |
| container_title | Journal of luminescence |
| container_volume | 131 |
| creator | Uzun, Erdem Yarar, Yasemin Yazici, A. Necmeddin |
| description | In this study, the fading mechanism of Seydişehir alumina in Turkey, which is considered to be used for radiation dosimetric purposes, was investigated. The materials were first exposed to beta radiation and then stored in dark and dry ambient conditions at room temperature (RT) at previously desired storage periods. It was observed that the glow curve of Seydişehir alumina consists of four glow peaks between RT and 400
°C. The glow peaks (peaks 1, 2 and 3) between room temperature and 250
°C possessed very high levels of anomalous fading. However, the intensity of new glow peak at around 378
°C is highly increased with time. As a result of the experimental studies, it was concluded that the reason behind anomalous fading can be explained by means of tunneling (quantum tunneling) mechanism.
► Fading mechanism of Turkish Seydişehir alumina was investigated. ► Materials were exposed to beta radiation and stored under special conditions. ► Glow curve was obtained and changes have been observed. |
| doi_str_mv | 10.1016/j.jlumin.2011.06.020 |
| format | article |
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°C. The glow peaks (peaks 1, 2 and 3) between room temperature and 250
°C possessed very high levels of anomalous fading. However, the intensity of new glow peak at around 378
°C is highly increased with time. As a result of the experimental studies, it was concluded that the reason behind anomalous fading can be explained by means of tunneling (quantum tunneling) mechanism.
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°C. The glow peaks (peaks 1, 2 and 3) between room temperature and 250
°C possessed very high levels of anomalous fading. However, the intensity of new glow peak at around 378
°C is highly increased with time. As a result of the experimental studies, it was concluded that the reason behind anomalous fading can be explained by means of tunneling (quantum tunneling) mechanism.
► Fading mechanism of Turkish Seydişehir alumina was investigated. ► Materials were exposed to beta radiation and stored under special conditions. ► Glow curve was obtained and changes have been observed.</description><subject>Alumina</subject><subject>Aluminum oxide</subject><subject>Anomalous fading</subject><subject>Drying</subject><subject>Earth sciences</subject><subject>Earth, ocean, space</subject><subject>Exact sciences and technology</subject><subject>Exposure</subject><subject>Fading</subject><subject>Glow curves</subject><subject>Luminescence</subject><subject>Mineralogy</subject><subject>Non silicates</subject><subject>Tunnel effect</subject><subject>Tunneling</subject><subject>Tunnels (transportation)</subject><issn>0022-2313</issn><issn>1872-7883</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2011</creationdate><recordtype>article</recordtype><recordid>eNp9kMFO3DAQhi1UJLbAG3DwpeopYRx7Y_uCVCEoSCv1UDhbjjPpeuUki52A9ml4Gt6rXnbVY08zI_3_zD8fIVcMSgasvt6UmzD3figrYKyEuoQKTsiCKVkVUin-hSwAqqqoOONn5GtKGwDgWukFsXcB3RTHgfq-93-inXzuuzj2NK1tCOMbnaLdJjqNtEXcHqdmR6d5GDDQHt3aDj71NPt-4671H--49pHaz0g2XZDTzoaEl8d6Tp7v755uH4rVr5-Ptz9WheNCTIXUouVCSxQMHFZCLFXXCCUduEbxVrec1bWUnRCsUbVrWsY0OOeWQtbAZMfPyffD3m0cX2ZMk-l9chiCHXCck9FMawF8ybNSHJQujilF7Mw2-t7GnWFg9kDNxhyAmj1QA7XJQLPt2_GATc6GLtrB-fTPmyPXSsEy624OOszfvnqMJjmPg8PWx8zatKP__6G_PAKPIg</recordid><startdate>20111201</startdate><enddate>20111201</enddate><creator>Uzun, Erdem</creator><creator>Yarar, Yasemin</creator><creator>Yazici, A. Necmeddin</creator><general>Elsevier B.V</general><general>Elsevier</general><scope>IQODW</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>7QF</scope><scope>7SP</scope><scope>7U5</scope><scope>8FD</scope><scope>JG9</scope><scope>L7M</scope></search><sort><creationdate>20111201</creationdate><title>Electron immigration from shallow traps to deep traps by tunnel mechanism on Seydişehir aluminas</title><author>Uzun, Erdem ; Yarar, Yasemin ; Yazici, A. Necmeddin</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c344t-794d3497e410ce24458fb487c0cb83d9d316677f441b86cbd1190ccc5476017f3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2011</creationdate><topic>Alumina</topic><topic>Aluminum oxide</topic><topic>Anomalous fading</topic><topic>Drying</topic><topic>Earth sciences</topic><topic>Earth, ocean, space</topic><topic>Exact sciences and technology</topic><topic>Exposure</topic><topic>Fading</topic><topic>Glow curves</topic><topic>Luminescence</topic><topic>Mineralogy</topic><topic>Non silicates</topic><topic>Tunnel effect</topic><topic>Tunneling</topic><topic>Tunnels (transportation)</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Uzun, Erdem</creatorcontrib><creatorcontrib>Yarar, Yasemin</creatorcontrib><creatorcontrib>Yazici, A. Necmeddin</creatorcontrib><collection>Pascal-Francis</collection><collection>CrossRef</collection><collection>Aluminium Industry Abstracts</collection><collection>Electronics & Communications Abstracts</collection><collection>Solid State and Superconductivity Abstracts</collection><collection>Technology Research Database</collection><collection>Materials Research Database</collection><collection>Advanced Technologies Database with Aerospace</collection><jtitle>Journal of luminescence</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Uzun, Erdem</au><au>Yarar, Yasemin</au><au>Yazici, A. Necmeddin</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Electron immigration from shallow traps to deep traps by tunnel mechanism on Seydişehir aluminas</atitle><jtitle>Journal of luminescence</jtitle><date>2011-12-01</date><risdate>2011</risdate><volume>131</volume><issue>12</issue><spage>2625</spage><epage>2629</epage><pages>2625-2629</pages><issn>0022-2313</issn><eissn>1872-7883</eissn><coden>JLUMA8</coden><abstract>In this study, the fading mechanism of Seydişehir alumina in Turkey, which is considered to be used for radiation dosimetric purposes, was investigated. The materials were first exposed to beta radiation and then stored in dark and dry ambient conditions at room temperature (RT) at previously desired storage periods. It was observed that the glow curve of Seydişehir alumina consists of four glow peaks between RT and 400
°C. The glow peaks (peaks 1, 2 and 3) between room temperature and 250
°C possessed very high levels of anomalous fading. However, the intensity of new glow peak at around 378
°C is highly increased with time. As a result of the experimental studies, it was concluded that the reason behind anomalous fading can be explained by means of tunneling (quantum tunneling) mechanism.
► Fading mechanism of Turkish Seydişehir alumina was investigated. ► Materials were exposed to beta radiation and stored under special conditions. ► Glow curve was obtained and changes have been observed.</abstract><cop>Amsterdam</cop><pub>Elsevier B.V</pub><doi>10.1016/j.jlumin.2011.06.020</doi><tpages>5</tpages><oa>free_for_read</oa></addata></record> |
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| ispartof | Journal of luminescence, 2011-12, Vol.131 (12), p.2625-2629 |
| issn | 0022-2313 1872-7883 |
| language | eng |
| recordid | cdi_proquest_miscellaneous_919940353 |
| source | ScienceDirect Freedom Collection |
| subjects | Alumina Aluminum oxide Anomalous fading Drying Earth sciences Earth, ocean, space Exact sciences and technology Exposure Fading Glow curves Luminescence Mineralogy Non silicates Tunnel effect Tunneling Tunnels (transportation) |
| title | Electron immigration from shallow traps to deep traps by tunnel mechanism on Seydişehir aluminas |
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