Crystal Growth and Optimization of Cs2LiLaBr6 Scintillator via the Cs2LaBr5-LiBr Phase Diagram Construction
Gamma/neutron dual detection has occupied significant territory in the field of homeland security and nuclear energy development. Cs 2 LiLaBr 6 (CLLB) has shown both neutron/gamma dual-mode detection capability and excellent scintillation properties. Herein, we explored the Cs 2 LaBr 5 -LiBr phase d...
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| Veröffentlicht in: | IEEE transactions on nuclear science 2022-01, Vol.69 (1), p.56-60 |
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| creator | Zhang, Xianggang Cai, Zhuochen Kang, Zhe Zhai, Huiwen Yin, Ziang Jie, Wanqi Wang, Tao |
| description | Gamma/neutron dual detection has occupied significant territory in the field of homeland security and nuclear energy development. Cs 2 LiLaBr 6 (CLLB) has shown both neutron/gamma dual-mode detection capability and excellent scintillation properties. Herein, we explored the Cs 2 LaBr 5 -LiBr phase diagram through powder X-ray diffraction (XRD) and differential scanning calorimetry (DSC) tests of synthesized polycrystalline materials. The Cs 2 LaBr 5 -rich side of the phase diagram is similar to a binary peritectic phase diagram, where the peritectic line (447 °C) extends to a LiBr content of 61%. The LiBr-rich side of the phase diagram resembles a binary eutectic phase diagram, where the eutectic point (395 °C) is located at 80% LiBr concentration. Guided by the phase diagram, CLLB ingots were designed to grow from the LiBr-rich side with different concentrations of LiBr. The scintillator properties of CLLB crystals were found to be deteriorated by the increasing defects with elevated LiBr contents. A concentration of LiBr around 55% was a preference for the growth of high-quality CLLB. A better understanding of the Cs 2 LaBr 5 -LiBr phase diagram benefits the growth of CLLB crystals and provides considerations for other halide double perovskites. |
| doi_str_mv | 10.1109/TNS.2021.3134286 |
| format | Article |
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Cs 2 LiLaBr 6 (CLLB) has shown both neutron/gamma dual-mode detection capability and excellent scintillation properties. Herein, we explored the Cs 2 LaBr 5 -LiBr phase diagram through powder X-ray diffraction (XRD) and differential scanning calorimetry (DSC) tests of synthesized polycrystalline materials. The Cs 2 LaBr 5 -rich side of the phase diagram is similar to a binary peritectic phase diagram, where the peritectic line (447 °C) extends to a LiBr content of 61%. The LiBr-rich side of the phase diagram resembles a binary eutectic phase diagram, where the eutectic point (395 °C) is located at 80% LiBr concentration. Guided by the phase diagram, CLLB ingots were designed to grow from the LiBr-rich side with different concentrations of LiBr. The scintillator properties of CLLB crystals were found to be deteriorated by the increasing defects with elevated LiBr contents. A concentration of LiBr around 55% was a preference for the growth of high-quality CLLB. A better understanding of the Cs 2 LaBr 5 -LiBr phase diagram benefits the growth of CLLB crystals and provides considerations for other halide double perovskites.</description><identifier>ISSN: 0018-9499</identifier><identifier>EISSN: 1558-1578</identifier><identifier>DOI: 10.1109/TNS.2021.3134286</identifier><identifier>CODEN: IETNAE</identifier><language>eng</language><publisher>New York: IEEE</publisher><subject>Calorimetry ; Crystal defects ; Crystal growth ; Crystals ; Cs₂LiLaBr₆ (CLLB) crystals ; Differential scanning calorimetry ; double perovskites ; Eutectic temperature ; National security ; Nuclear energy ; Nuclear reactors ; Optimization ; Perovskites ; phase diagram ; Phase diagrams ; Powders ; Raw materials ; Scintillation counters ; scintillator materials ; Temperature measurement ; X ray powder diffraction ; X-ray diffraction ; X-ray scattering</subject><ispartof>IEEE transactions on nuclear science, 2022-01, Vol.69 (1), p.56-60</ispartof><rights>Copyright The Institute of Electrical and Electronics Engineers, Inc. (IEEE) 2022</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><orcidid>0000-0003-3271-3331</orcidid></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://ieeexplore.ieee.org/document/9645755$$EHTML$$P50$$Gieee$$H</linktohtml><link.rule.ids>314,776,780,792,27901,27902,54733</link.rule.ids><linktorsrc>$$Uhttps://ieeexplore.ieee.org/document/9645755$$EView_record_in_IEEE$$FView_record_in_$$GIEEE</linktorsrc></links><search><creatorcontrib>Zhang, Xianggang</creatorcontrib><creatorcontrib>Cai, Zhuochen</creatorcontrib><creatorcontrib>Kang, Zhe</creatorcontrib><creatorcontrib>Zhai, Huiwen</creatorcontrib><creatorcontrib>Yin, Ziang</creatorcontrib><creatorcontrib>Jie, Wanqi</creatorcontrib><creatorcontrib>Wang, Tao</creatorcontrib><title>Crystal Growth and Optimization of Cs2LiLaBr6 Scintillator via the Cs2LaBr5-LiBr Phase Diagram Construction</title><title>IEEE transactions on nuclear science</title><addtitle>TNS</addtitle><description>Gamma/neutron dual detection has occupied significant territory in the field of homeland security and nuclear energy development. Cs 2 LiLaBr 6 (CLLB) has shown both neutron/gamma dual-mode detection capability and excellent scintillation properties. Herein, we explored the Cs 2 LaBr 5 -LiBr phase diagram through powder X-ray diffraction (XRD) and differential scanning calorimetry (DSC) tests of synthesized polycrystalline materials. The Cs 2 LaBr 5 -rich side of the phase diagram is similar to a binary peritectic phase diagram, where the peritectic line (447 °C) extends to a LiBr content of 61%. The LiBr-rich side of the phase diagram resembles a binary eutectic phase diagram, where the eutectic point (395 °C) is located at 80% LiBr concentration. Guided by the phase diagram, CLLB ingots were designed to grow from the LiBr-rich side with different concentrations of LiBr. The scintillator properties of CLLB crystals were found to be deteriorated by the increasing defects with elevated LiBr contents. A concentration of LiBr around 55% was a preference for the growth of high-quality CLLB. A better understanding of the Cs 2 LaBr 5 -LiBr phase diagram benefits the growth of CLLB crystals and provides considerations for other halide double perovskites.</description><subject>Calorimetry</subject><subject>Crystal defects</subject><subject>Crystal growth</subject><subject>Crystals</subject><subject>Cs₂LiLaBr₆ (CLLB) crystals</subject><subject>Differential scanning calorimetry</subject><subject>double perovskites</subject><subject>Eutectic temperature</subject><subject>National security</subject><subject>Nuclear energy</subject><subject>Nuclear reactors</subject><subject>Optimization</subject><subject>Perovskites</subject><subject>phase diagram</subject><subject>Phase diagrams</subject><subject>Powders</subject><subject>Raw materials</subject><subject>Scintillation counters</subject><subject>scintillator materials</subject><subject>Temperature measurement</subject><subject>X ray powder diffraction</subject><subject>X-ray diffraction</subject><subject>X-ray scattering</subject><issn>0018-9499</issn><issn>1558-1578</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2022</creationdate><recordtype>article</recordtype><sourceid>RIE</sourceid><recordid>eNotj01Lw0AYhBdRsFbvgpcFz6n7nezRRq1CsELrObzJbuzWNKm7W6X-eqP1NAzzMMMgdEnJhFKib5bPiwkjjE445YJl6giNqJRZQmWaHaMRITRLtND6FJ2FsB6skESO0Hvu9yFCi2e-_4orDJ3B8210G_cN0fUd7hucB1a4AqZe4UXtuujaFmLv8acDHFf2Lx9SmRRu6vHLCoLFdw7ePGxw3nch-l3923WOThpog7341zF6fbhf5o9JMZ895bdF4ijnMamgZsZmhhBmwGhKrLDDJaJkWtWZharSICqpTGpobRikimidKkoarqExDR-j60Pv1vcfOxtiue53vhsmS6YYJUpwIQbq6kA5a2259W4Dfl9qJWQqJf8Bu9RjdQ</recordid><startdate>202201</startdate><enddate>202201</enddate><creator>Zhang, Xianggang</creator><creator>Cai, Zhuochen</creator><creator>Kang, Zhe</creator><creator>Zhai, Huiwen</creator><creator>Yin, Ziang</creator><creator>Jie, Wanqi</creator><creator>Wang, Tao</creator><general>IEEE</general><general>The Institute of Electrical and Electronics Engineers, Inc. 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scattering</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Zhang, Xianggang</creatorcontrib><creatorcontrib>Cai, Zhuochen</creatorcontrib><creatorcontrib>Kang, Zhe</creatorcontrib><creatorcontrib>Zhai, Huiwen</creatorcontrib><creatorcontrib>Yin, Ziang</creatorcontrib><creatorcontrib>Jie, Wanqi</creatorcontrib><creatorcontrib>Wang, Tao</creatorcontrib><collection>IEEE All-Society Periodicals Package (ASPP) 2005-present</collection><collection>IEEE All-Society Periodicals Package (ASPP) 1998-Present</collection><collection>IEEE Electronic Library (IEL)</collection><collection>Aluminium Industry Abstracts</collection><collection>Bacteriology Abstracts (Microbiology B)</collection><collection>Ceramic Abstracts</collection><collection>Computer and Information Systems Abstracts</collection><collection>Corrosion Abstracts</collection><collection>Electronics & Communications Abstracts</collection><collection>Engineered Materials 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science</jtitle><stitle>TNS</stitle><date>2022-01</date><risdate>2022</risdate><volume>69</volume><issue>1</issue><spage>56</spage><epage>60</epage><pages>56-60</pages><issn>0018-9499</issn><eissn>1558-1578</eissn><coden>IETNAE</coden><abstract>Gamma/neutron dual detection has occupied significant territory in the field of homeland security and nuclear energy development. Cs 2 LiLaBr 6 (CLLB) has shown both neutron/gamma dual-mode detection capability and excellent scintillation properties. Herein, we explored the Cs 2 LaBr 5 -LiBr phase diagram through powder X-ray diffraction (XRD) and differential scanning calorimetry (DSC) tests of synthesized polycrystalline materials. The Cs 2 LaBr 5 -rich side of the phase diagram is similar to a binary peritectic phase diagram, where the peritectic line (447 °C) extends to a LiBr content of 61%. The LiBr-rich side of the phase diagram resembles a binary eutectic phase diagram, where the eutectic point (395 °C) is located at 80% LiBr concentration. Guided by the phase diagram, CLLB ingots were designed to grow from the LiBr-rich side with different concentrations of LiBr. The scintillator properties of CLLB crystals were found to be deteriorated by the increasing defects with elevated LiBr contents. A concentration of LiBr around 55% was a preference for the growth of high-quality CLLB. A better understanding of the Cs 2 LaBr 5 -LiBr phase diagram benefits the growth of CLLB crystals and provides considerations for other halide double perovskites.</abstract><cop>New York</cop><pub>IEEE</pub><doi>10.1109/TNS.2021.3134286</doi><tpages>5</tpages><orcidid>https://orcid.org/0000-0003-3271-3331</orcidid></addata></record> |
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| subjects | Calorimetry Crystal defects Crystal growth Crystals Cs₂LiLaBr₆ (CLLB) crystals Differential scanning calorimetry double perovskites Eutectic temperature National security Nuclear energy Nuclear reactors Optimization Perovskites phase diagram Phase diagrams Powders Raw materials Scintillation counters scintillator materials Temperature measurement X ray powder diffraction X-ray diffraction X-ray scattering |
| title | Crystal Growth and Optimization of Cs2LiLaBr6 Scintillator via the Cs2LaBr5-LiBr Phase Diagram Construction |
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