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endpoint"> Sparql Endpoint </a> </li> </ul> </div> </div> </nav> <div style="margin-bottom: 60px"></div>   <section> <div class="container-xl"> <div class="row"> <div class="col"> <h1 id="title" class="display-6">About: <a href="http://dbpedia.org/resource/PKA_(irradiation)">PKA (irradiation)</a> </h1> </div> </div> <div class="row"> <div class="col"> <div class="text-muted"> An Entity of Type: <a href="http://dbpedia.org/ontology/ComicsCharacter">comics character</a>, from Named Graph: <a href="http://dbpedia.org">http://dbpedia.org</a>, within Data Space: <a href="http://dbpedia.org">dbpedia.org</a> </div> </div> </div> <div class="row pt-2"> <div class="col-xs-9 col-sm-10"> In condensed-matter physics, a primary knock-on atom (PKA) is an atom that is displaced from its lattice site by irradiation; it is, by definition, the first atom that an incident particle encounters in the target. After it is displaced from its initial lattice site, the PKA can induce the subsequent lattice site displacements of other atoms if it possesses sufficient energy (threshold displacement energy), or come to rest in the lattice at an interstitial site if it does not (interstitial defect). </div> </div> </div> </section>   <section> <div class="container-xl"> <div class="row"> <div class="table-responsive"> <table class="table table-hover table-sm table-light"> <thead> <tr> <th class="col-xs-3 ">Property</th> <th class="col-xs-9 px-3">Value</th> </tr> </thead> <tbody> <tr class="odd"><td class="col-2"><a class="uri" href="http://dbpedia.org/ontology/abstract">dbo:abstract</a> </td><td class="col-10 text-break"><ul> <li>In condensed-matter physics, a primary knock-on atom (PKA) is an atom that is displaced from its lattice site by irradiation; it is, by definition, the first atom that an incident particle encounters in the target. After it is displaced from its initial lattice site, the PKA can induce the subsequent lattice site displacements of other atoms if it possesses sufficient energy (threshold displacement energy), or come to rest in the lattice at an interstitial site if it does not (interstitial defect). Most of the displaced atoms resulting from electron irradiation and some other types of irradiation are PKAs, since these are usually below the threshold displacement energy and therefore do not have sufficient energy to displace more atoms. In other cases like fast neutron irradiation, most of the displacements result from higher-energy PKAs colliding with other atoms as they slow down to rest. (en)</li> <li style="display:none;">Le premier atome frapp茅 (PAF, en anglais PKA, primary knock-on atom) est un atome d茅plac茅 de son site dans un r茅seau cristallin par irradiation ; c'est, par d茅finition, le premier atome qu'une particule incidente rencontre dans une cible. Apr猫s avoir 茅t茅 d茅plac茅 de son site initial, le PKA peut induire le d茅placement d鈥檃utres atomes du r茅seau s'il poss猫de une 茅nergie suffisante, sinon il s鈥檌mmobilise dans un site interstitiel. La plupart des atomes d茅plac茅s lors d'une irradiation par des 茅lectrons ou certains autres rayonnements sont des PKA, car ils sont g茅n茅ralement inf茅rieurs 脿 l' 茅nergie seuil de d茅placement et n'ont pas l'茅nergie suffisante pour d茅placer plus d'atomes. Dans d'autres cas, comme lors d'irradiation par des neutrons rapides, la plupart des d茅placements r茅sultent de la collision de PKA 脿 haute 茅nergie avec d'autres atomes, jusqu'脿 ce qu'il atteignent leur position de repos. (fr)</li> </ul></td></tr><tr class="even"><td class="col-2"><a class="uri" href="http://dbpedia.org/ontology/wikiPageID">dbo:wikiPageID</a> </td><td class="col-10 text-break"><ul> <li>31260516 (xsd:integer)</li> </ul></td></tr><tr class="odd"><td class="col-2"><a class="uri" href="http://dbpedia.org/ontology/wikiPageLength">dbo:wikiPageLength</a> </td><td class="col-10 text-break"><ul> <li>7759 (xsd:nonNegativeInteger)</li> </ul></td></tr><tr class="even"><td class="col-2"><a class="uri" href="http://dbpedia.org/ontology/wikiPageRevisionID">dbo:wikiPageRevisionID</a> </td><td class="col-10 text-break"><ul> <li>1122188651 (xsd:integer)</li> </ul></td></tr><tr class="odd"><td class="col-2"><a class="uri" href="http://dbpedia.org/ontology/wikiPageWikiLink">dbo:wikiPageWikiLink</a> </td><td class="col-10 text-break"><ul> <li><a class="uri" rel="dbo:wikiPageWikiLink" resource="http://dbpedia.org/resource/Interstitial_defect" 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After it is displaced from its initial lattice site, the PKA can induce the subsequent lattice site displacements of other atoms if it possesses sufficient energy (threshold displacement energy), or come to rest in the lattice at an interstitial site if it does not (interstitial defect). (en)</li> <li style="display:none;">Le premier atome frapp茅 (PAF, en anglais PKA, primary knock-on atom) est un atome d茅plac茅 de son site dans un r茅seau cristallin par irradiation ; c'est, par d茅finition, le premier atome qu'une particule incidente rencontre dans une cible. Apr猫s avoir 茅t茅 d茅plac茅 de son site initial, le PKA peut induire le d茅placement d鈥檃utres atomes du r茅seau s'il poss猫de une 茅nergie suffisante, sinon il s鈥檌mmobilise dans un site interstitiel. (fr)</li> </ul></td></tr><tr class="odd"><td class="col-2"><a class="uri" href="http://www.w3.org/2000/01/rdf-schema#label">rdfs:label</a> </td><td class="col-10 text-break"><ul> <li style="display:none;">Premier Atome Frapp茅 (fr)</li> <li>PKA (irradiation) (en)</li> </ul></td></tr><tr class="even"><td class="col-2"><a class="uri" href="http://www.w3.org/2002/07/owl#sameAs">owl:sameAs</a> </td><td class="col-10 text-break"><ul> <li><a class="uri" rel="owl:sameAs" resource="http://rdf.freebase.com/ns/m.0gjcfh1" href="http://rdf.freebase.com/ns/m.0gjcfh1">freebase:PKA (irradiation)</a></li> <li><a class="uri" rel="owl:sameAs" resource="http://yago-knowledge.org/resource/PKA_(irradiation)" href="http://yago-knowledge.org/resource/PKA_(irradiation)">yago-res:PKA (irradiation)</a></li> <li><a class="uri" rel="owl:sameAs" resource="http://www.wikidata.org/entity/Q7119497" href="http://www.wikidata.org/entity/Q7119497">wikidata:PKA (irradiation)</a></li> <li><a class="uri" rel="owl:sameAs" 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