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Publication
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Title of Article |
Effects of added carbon black on synthesis and characterization of calcium aluminate electride |
Date of Acceptance |
9 January 2020 |
Journal |
Title of Journal |
AIP Conference Proceedings |
Standard |
SCOPUS |
Institute of Journal |
American Institute of Physics (AIP) |
ISBN/ISSN |
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Volume |
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Issue |
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Month |
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Year of Publication |
2020 |
Page |
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Abstract |
Mayenite or 12CaO.7Al2O3 has been known as a major component of alumina cements. There were abundant of discovery inorganic electrides [Ca24Al28O64]4+(e-)4 as unique properties, high electron concentration and low work function which are comparable with alkali metals but these materials are chemically inert in an ambient atmosphere. The severe reducing treatment synthesis was used to substitute electrons for anions in cage completely. In this work, we synthesized inorganic mayenite electrides [Ca24Al28O64]4+(e-)4 from 12CaO.7Al2O3 with carbon black in mild condition (less than 1,600°C). The samples were characterized by XRD, SEM, TEM and electrical resistivity measurement. The samples with carbon black was easy to pull out the free oxygen ions in cages. Furthermore, there were carbon shells that enclosed with 12CaO.7Al2O3 crystals surface. This carbon shells prevented agglomeration of particles at very high temperature, so the electrides can be happened inside the carbon shell. This process was lead to save the energy for transformation Mayenite as electrical insulator materials to [Ca24Al28O64]4+(e-)4 as high electrical conductivity materials. |
Keyword |
Mayenite, Electride, 12CaO.7Al2O3, [Ca24Al28O64]4+(e-)4, Inorganic mayenite electrides |
Author |
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Reviewing Status |
มีผู้ประเมินอิสระ |
Status |
ได้รับการตอบรับให้ตีพิมพ์ |
Level of Publication |
นานาชาติ |
citation |
false |
Part of thesis |
true |
ใช้สำหรับสำเร็จการศึกษา |
ไม่เป็น |
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