000200876 001__ 200876 000200876 005__ 20240712084608.0 000200876 0247_ $$2doi$$a10.1016/j.scriptamat.2015.05.010 000200876 0247_ $$2ISSN$$a1359-6462 000200876 0247_ $$2ISSN$$a1872-8456 000200876 0247_ $$2WOS$$aWOS:000358806400005 000200876 037__ $$aFZJ-2015-03244 000200876 041__ $$aEnglish 000200876 082__ $$a670 000200876 1001_ $$0P:(DE-Juel1)158022$$aLi, Yan$$b0$$ufzj 000200876 245__ $$aDefect formation energies in A2B2O7 pyrochlores 000200876 260__ $$aAmsterdam [u.a.]$$bElsevier Science$$c2015 000200876 3367_ $$0PUB:(DE-HGF)16$$2PUB:(DE-HGF)$$aJournal Article$$bjournal$$mjournal$$s1437652159_19505 000200876 3367_ $$2DataCite$$aOutput Types/Journal article 000200876 3367_ $$00$$2EndNote$$aJournal Article 000200876 3367_ $$2BibTeX$$aARTICLE 000200876 3367_ $$2ORCID$$aJOURNAL_ARTICLE 000200876 3367_ $$2DRIVER$$aarticle 000200876 500__ $$aOnlinefirst 000200876 520__ $$aWe performed ab initio calculations of the cation antisite and anion Frenkel pair defect formation energies for a series of pyrochlores. The obtained energies correlate well with the stability field of pyrochlore. We found that in the compounds that tend to crystallize as a disordered fluorite, the anion Frenkel pair defect formation energy is negative. This correlation suggests that the low energy cost for defect accumulation is one of the driving forces behind the order–disorder transition in pyrochlores. 000200876 536__ $$0G:(DE-HGF)POF3-161$$a161 - Nuclear Waste Management (POF3-161)$$cPOF3-161$$fPOF III$$x0 000200876 536__ $$0G:(DE-Juel1)HITEC-20170406$$aHITEC - Helmholtz Interdisciplinary Doctoral Training in Energy and Climate Research (HITEC) (HITEC-20170406)$$cHITEC-20170406$$x1 000200876 588__ $$aDataset connected to CrossRef, juser.fz-juelich.de 000200876 7001_ $$0P:(DE-Juel1)137024$$aKowalski, Piotr$$b1$$eCorresponding Author 000200876 7001_ $$0P:(DE-Juel1)156345$$aBeridze, George$$b2$$ufzj 000200876 7001_ $$0P:(DE-HGF)0$$aBirnie, April R.$$b3 000200876 7001_ $$0P:(DE-Juel1)142526$$aFinkeldei, Sarah$$b4$$ufzj 000200876 7001_ $$0P:(DE-Juel1)130324$$aBosbach, Dirk$$b5$$ufzj 000200876 773__ $$0PERI:(DE-600)2015843-9$$a10.1016/j.scriptamat.2015.05.010$$gp. 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