DC Field | Value | Language |
---|---|---|
dc.contributor.author | Melnick, C | - |
dc.contributor.author | Kaviany, M | - |
dc.contributor.author | Kim, MH | - |
dc.date.accessioned | 2015-06-25T02:16:46Z | - |
dc.date.available | 2015-06-25T02:16:46Z | - |
dc.date.created | 2013-03-29 | - |
dc.date.issued | 2013-02-14 | - |
dc.identifier.issn | 0021-8979 | - |
dc.identifier.other | 2015-OAK-0000027300 | en_US |
dc.identifier.uri | https://oasis.postech.ac.kr/handle/2014.oak/10658 | - |
dc.description.abstract | alpha-voltaics harvest electron-hole pairs created as energetic a particles collide with and ionize electrons in a semiconductor, creating delta-rays. After ionization, charged pair production continues through delta-ray impact ionization events and the Auger relaxation of core-shell holes created through K-shell ionization events. Secondary ionization events are quantified using the TPP-2M model, the fraction of K-shell ionization events is determined using the energy-loss Coulomb-repulsion perturbed-stationary-state relativistic theory, and the relaxation of the resulting holes is treated with a fully ab initio approach using multiple Fermi golden rule calculations for ranges of carrier concentrations and temperatures. The limiting rate is 15 ns(-1) for small carrier concentrations and high temperatures, as compared to the radiative core-shell relaxation rate estimated here at 20 ns(-1), indicating that Auger modes contribute significantly. Moreover, the K-shell ionization events are shown to dominate for low energy a particles and vanish for high energy ones. Thus, the efficiency loss due to energy dissipation in the fuel layer is mitigated, which is demonstrated by the analysis of a layered fuel-voltaic device with an efficiency from 20% to 14% for fuel layers between 5 and 10 mu m thick. The design of a alpha-voltaic integrated with a thermoelectric generator is suggested for improved efficiency and the system-level mitigation of radiation damage and geometric inefficiency. (C) 2013 American Institute of Physics. [http://dx.doi.org/10.1063/1.4790506] | - |
dc.description.statementofresponsibility | open | en_US |
dc.language | English | - |
dc.publisher | AMER INST PHYSICS | - |
dc.relation.isPartOf | Journal of Applied Physics | - |
dc.rights | BY_NC_ND | en_US |
dc.rights.uri | http://creativecommons.org/licenses/by-nc-nd/2.0/kr | en_US |
dc.title | Roles of Core-Shell and ∂ -Ray Kinetics in Layered BN ∝ -Voltaic Efficiency | - |
dc.type | Article | - |
dc.contributor.college | 첨단원자력공학부 | en_US |
dc.identifier.doi | 10.1063/1.4790506 | - |
dc.author.google | Melnick, C | en_US |
dc.author.google | Kaviany, M | en_US |
dc.author.google | Kim, MH | en_US |
dc.relation.volume | 113 | en_US |
dc.relation.issue | 6 | en_US |
dc.contributor.id | 10110703 | en_US |
dc.relation.journal | Journal of Applied Physics | en_US |
dc.relation.index | SCI급, SCOPUS 등재논문 | en_US |
dc.relation.sci | SCI | en_US |
dc.collections.name | Journal Papers | en_US |
dc.type.rims | ART | - |
dc.identifier.bibliographicCitation | Journal of Applied Physics, v.113, no.6 | - |
dc.identifier.wosid | 000315054000036 | - |
dc.date.tcdate | 2019-01-01 | - |
dc.citation.number | 6 | - |
dc.citation.title | Journal of Applied Physics | - |
dc.citation.volume | 113 | - |
dc.contributor.affiliatedAuthor | Kim, MH | - |
dc.identifier.scopusid | 2-s2.0-84874313441 | - |
dc.description.journalClass | 1 | - |
dc.description.journalClass | 1 | - |
dc.description.wostc | 1 | - |
dc.description.scptc | 1 | * |
dc.date.scptcdate | 2018-10-274 | * |
dc.type.docType | Article | - |
dc.subject.keywordPlus | INITIO MOLECULAR-DYNAMICS | - |
dc.subject.keywordPlus | TOTAL-ENERGY CALCULATIONS | - |
dc.subject.keywordPlus | MEAN FREE PATHS | - |
dc.subject.keywordPlus | CROSS-SECTIONS | - |
dc.subject.keywordPlus | CALCULATING K | - |
dc.subject.keywordPlus | ELECTRON | - |
dc.subject.keywordPlus | PROGRAM | - |
dc.subject.keywordPlus | ISICS | - |
dc.subject.keywordPlus | APPROXIMATION | - |
dc.subject.keywordPlus | IONIZATION | - |
dc.relation.journalWebOfScienceCategory | Physics, Applied | - |
dc.description.journalRegisteredClass | scie | - |
dc.description.journalRegisteredClass | scopus | - |
dc.relation.journalResearchArea | Physics | - |
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