2011
DOI: 10.1002/ange.201000463
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Atomistisches Verständnis der Keimbildung und des Kristallwachstums durch molekulare Simulationen

Abstract: Die Modellierung von Keimbildungsprozessen durch molekulare Simulation ermöglicht nicht nur die Berechnung kinetischer und thermodynamischer Eigenschaften, sondern bietet zugleich mechanistische Einblicke auf atomarer Ebene. Die vielfältigen Möglichkeiten, Experimente durch Modellsimulationen zu ergänzen, sind jedoch mit der Überwindung einer Reihe von technischen Schwierigkeiten verbunden. Keimbildungsprozesse sind seltene Ereignisse, die direkten Brute‐Force‐Molekulardynamiksimulationen nur in Ausnahmefällen… Show more

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Cited by 19 publications
(11 citation statements)
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“…Anwar and Zahn [10] go further in stressing that it is becoming evident from simulations that the treatment of nuclei as tiny crystallites with bulk properties is not valid, and that the challenge for the science of crystal nucleation from solution is to establish the actual structure of the nucleus and its physical properties, in conjunction with the development of more realistic theoretical models that rely less on the traditional simplifications. Anwar and Zahn [10] go further in stressing that it is becoming evident from simulations that the treatment of nuclei as tiny crystallites with bulk properties is not valid, and that the challenge for the science of crystal nucleation from solution is to establish the actual structure of the nucleus and its physical properties, in conjunction with the development of more realistic theoretical models that rely less on the traditional simplifications.…”
Section: Methodsmentioning
confidence: 99%
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“…Anwar and Zahn [10] go further in stressing that it is becoming evident from simulations that the treatment of nuclei as tiny crystallites with bulk properties is not valid, and that the challenge for the science of crystal nucleation from solution is to establish the actual structure of the nucleus and its physical properties, in conjunction with the development of more realistic theoretical models that rely less on the traditional simplifications. Anwar and Zahn [10] go further in stressing that it is becoming evident from simulations that the treatment of nuclei as tiny crystallites with bulk properties is not valid, and that the challenge for the science of crystal nucleation from solution is to establish the actual structure of the nucleus and its physical properties, in conjunction with the development of more realistic theoretical models that rely less on the traditional simplifications.…”
Section: Methodsmentioning
confidence: 99%
“…It is thus evident that although the availability of reliable methods for measuring nucleation rates may lead to an increase in kinetic data, the difficulty of using such data to gain a molecular-scale interpretation of the nucleation process remains. Anwar and Zahn [10] go further in stressing that it is becoming evident from simulations that the treatment of nuclei as tiny crystallites with bulk properties is not valid, and that the challenge for the science of crystal nucleation from solution is to establish the actual structure of the nucleus and its physical properties, in conjunction with the development of more realistic theoretical models that rely less on the traditional simplifications.…”
Section: Angewandte Chemiementioning
confidence: 99%
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“…Für viele Fragen, darunter die der Keimbildung aus Ionenlösungen, ist der Zeitaufwand direkter Molekulardynamiksimulationen unvertretbar hoch. Eine Überwindung von Zeit‐ und Längenskalen im Zug der Kristallbildung erreicht das Kawska‐Zahn‐Verfahren 3,4. Es beschränkt die aufwendigen Molekulardynamiksimulationen auf einzelne entscheidende Ereignisse, während es weniger wichtige Zeitspannen stark vergröbert und damit nur näherungsweise behandelt.…”
Section: Von Gelösten Ionen Zum Nanokristallunclassified