000841404 001__ 841404 000841404 005__ 20210129232019.0 000841404 0247_ $$2doi$$a10.1126/science.aaq0476 000841404 0247_ $$2ISSN$$a0036-8075 000841404 0247_ $$2ISSN$$a1095-9203 000841404 0247_ $$2altmetric$$aaltmetric:30453952 000841404 0247_ $$2pmid$$apmid:29242333 000841404 0247_ $$2WOS$$aWOS:000417918500021 000841404 037__ $$aFZJ-2017-08479 000841404 041__ $$aEnglish 000841404 082__ $$a500 000841404 1001_ $$0P:(DE-Juel1)130496$$aAkola, Jaakko$$b0$$eCorresponding author 000841404 245__ $$aSpeeding up crystallization 000841404 260__ $$aWashington, DC [u.a.]$$bAmerican Association for the Advancement of Science64196$$c2017 000841404 3367_ $$2DRIVER$$aarticle 000841404 3367_ $$2DataCite$$aOutput Types/Journal article 000841404 3367_ $$0PUB:(DE-HGF)16$$2PUB:(DE-HGF)$$aJournal Article$$bjournal$$mjournal$$s1520844885_25961 000841404 3367_ $$2BibTeX$$aARTICLE 000841404 3367_ $$2ORCID$$aJOURNAL_ARTICLE 000841404 3367_ $$00$$2EndNote$$aJournal Article 000841404 520__ $$aPhase-change materials (PCMs) form the basis of many modern optical-storage media (such as DVDs) and promise to yield faster, more stable random-access memory (RAM) devices for computers. All of these devices are based on the fast and reversible crystallization of amorphous bits in thin polycrystalline alloy layers, with crystallization being the time-limiting stage. Optimization of the alloy composition for faster crystallization is a major challenge in speeding up this process. On page 1423 of this issue, Rao et al. 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