Academic literature on the topic 'Lindemann index'

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Journal articles on the topic "Lindemann index"

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Sun, Jing Wei. "The Structures and Melting Properties of the Al-W Mixed Clusters." Applied Mechanics and Materials 556-562 (May 2014): 306–9. http://dx.doi.org/10.4028/www.scientific.net/amm.556-562.306.

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Through the classical molecular dynamics, the melting properties of the the tungsten and aluminum mixed clusters are explored. By using simulated annealing the structure of the mixed cluster is obtained. It is found that the Al atoms tend to locate on the surface of the clusters. The melting behaviors of the clusters are analyzed in detail by the atom-resolved Lindemann index. The curves of Lindemann index show that the melting process of the can experience three steps which is not common in the melting process of the nanoclusters.
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Gang, Chen, Zhang Peng, and Liu HongWei. "Analysis of Pd-Ni Nanobelts Melting Process Using Molecular Dynamics Simulation." Journal of Nanomaterials 2013 (2013): 1–7. http://dx.doi.org/10.1155/2013/486527.

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The melting process of Pd-Ni alloy nanobelts with different Ni atom content has been simulated by molecular dynamic (MD) method. The radial distribution function, the Lindemann index, and pair analysis method were used to characterize Pd-Ni nanobelt models in simulation. The results indicate that the melting temperature of Pd-Ni nanobelt with composition far from pure metal was lower than that of other models, and the breaking point of the nanobelt can be illustrated by the Lindemann index. Pair analysis indicates that the number of FCC pairs will decrease and almost disappear at melting point
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Piątek, A., Roman Nowak, and Z. Gburski. "A Titanium-Decorated Fullerene Cluster – A Molecular Dynamics Simulation." Solid State Phenomena 140 (October 2008): 109–16. http://dx.doi.org/10.4028/www.scientific.net/ssp.140.109.

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A small titanium-decorated fullerene cluster (C60[TiH2]6)7 was studied by MD simulation over a wide range of energy, from the solid state to the vaporization of the nanosystem. The low energy, solid state structure of the cluster was obtained as a deformed pentagonal bipyramid. Several physical characteristics: the radial distribution function, the mean square displacement, the translational velocity autocorrelation function, translational diffusion coefficient, Lindemann index, etc., were calculated for a wide range of energy in the system.
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Jia, Yanlin, Siqi Li, Weihong Qi, Mingpu Wang, Zhou Li, and Zhixing Wang. "Thermal stability of marks gold nanoparticles: A molecular dynamics simulation." International Journal of Modern Physics B 31, no. 07 (2017): 1741001. http://dx.doi.org/10.1142/s0217979217410016.

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Molecular dynamics (MDs) simulations were used to explore the thermal stability of Au nanoparticles (NPs) with decahedral, cuboctahedral, icosahedral and Marks NPs. According to the calculated cohesive energy and melting temperature, the Marks NPs have a higher cohesive energy and melting temperature compared to these other shapes. The Lindemann index, radial distribution function, deformation parameters, mean square displacement and self-diffusivity have been used to characterize the structure variation during heating. This work may inspire researchers to prepare Marks NPs and apply them in d
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Piątek, A., A. Dawid, K. Górny, Roman Nowak, and Z. Gburski. "MD Study of the Endohedral Potassium Ion Fullerene Cluster (K+@C60)7." Solid State Phenomena 140 (October 2008): 81–88. http://dx.doi.org/10.4028/www.scientific.net/ssp.140.81.

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The nanosystem composed of only as few as seven endohedral fullerene K+@C60 molecules was simulated using the MD method. The interaction was taken to be the full site-site pairwise additive Lennard-Jones (LJ) potential, which generates both translational and anisotropic rotational motions of each endohedral fullerene. The atomically detailed MD simulations allow the dynamics of the motion of K+@C60 molecule inside the cluster to be analysed. The radial distribution function, the mean square displacement, the translational velocity correlation functions and the Lindemann index of endohedral ful
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Li, Qian, Li Liu, Ying Jin Feng, and Shi Feng Zhang. "The Melting Behaviors of the Bimetallic Cluster ConCu55-n(n=0~55)." Advanced Materials Research 909 (March 2014): 32–35. http://dx.doi.org/10.4028/www.scientific.net/amr.909.32.

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The melting behaviors of ConCu55-n(n=0~55) bimetallic cluster were studied by using semi-empirical Gupta potential combined with molecular dynamics simulations. The melting point of the ConCu55-n(n=0~55) cluster shows itself the trend of going up, accompanied by the increasing of the Cobalt atomicity. However, it is between Co55 and Cu55 elementary cluster for melting point overall. Meanwhile the variation in the width of pre-melting temperature is greater, if around n0 or n55, but it is lesser nearly n55/2(namely Co and Cu at the same atomicity). In addition, the saturation point of specific
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Fu, Ran, Yihua Xu, Yisi Liu, et al. "Thermally induced hex-graphene transitions in 2D carbon crystals." Nanotechnology Reviews 11, no. 1 (2022): 1101–14. http://dx.doi.org/10.1515/ntrev-2022-0066.

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Abstract Resourceful beyond-graphene two-dimensional (2D) carbon crystals have been proposed/synthesized; however, the fundamental knowledge of their melting thermodynamics remains lacking. Here, the structural and thermodynamic properties of nine contemporary 2D carbon crystals upon heating are investigated using first-principle-based ReaxFF molecular dynamics simulations. Those 2D carbon crystals show distinct evolution of energetic and Lindemann index that distinguish their thermal stabilities. There are two or three critical temperatures at which structural transformation occurs for non-he
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Ramel, Frédéric. "Lindemann (Thomas) ­ Causes of War. The Struggle for Recognition . ­ Colchester, ECPR Press, 2010 (Monographs). 172 p. Bibliogr. Index. Lindemann (Thomas) ­ La guerre . ­ Paris, Armand Colin, 2010 (Cursus. Science politique). 192 p. Annexes. Bibliogr." Revue française de science politique Vol. 62, no. 3 (2012): XXVIII. http://dx.doi.org/10.3917/rfsp.623.0476zb.

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Yildirim, Huseyin, and Haydar Arslan. "Size and composition effect on structural properties and melting behaviors of Cu–Ag–Au ternary nanoalloys." International Journal of Modern Physics C 31, no. 06 (2020): 2050078. http://dx.doi.org/10.1142/s0129183120500783.

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Structural optimization of ternary Cu–Ag–Au nanoalloys with 38 and 55 atoms was performed using the basin-hopping algorithm and the Gupta many-body potential was adopted to model interatomic interactions. The optimization results show that, while the Ag atoms prefer to segregate to the surface, Cu atoms were located at the core of the nanoalloy due to the higher surface and cohesive energy, whereas Au atoms mainly are located on the surface of the nanoalloys. It is found that the size has little effect on the segregation phenomena of Cu, Ag and Au atoms in the Cu–Ag–Au ternary nanoalloy. We es
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Darvishi Kamachali, Reza. "Melting upon Coalescence of Solid Nanoparticles." Solids 3, no. 2 (2022): 361–73. http://dx.doi.org/10.3390/solids3020025.

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The large surface-to-volume ratio of nanoparticles is understood to be the source of many interesting phenomena. The melting temperature of nanoparticles is shown to dramatically reduce compared to bulk material. Yet, at temperatures below this reduced melting point, a liquid-like atomic arrangement on the surface of nanoparticles is still anticipated to influence its properties. To understand such surface effects, here, we study the coalescence of Au nanoparticles of various sizes using molecular dynamics simulations. Analysis of the potential energy and Lindemann index distribution across th
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Dissertations / Theses on the topic "Lindemann index"

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Захарова, Д. С. "Температурна стабільність біметалевої Au@Pd наночастинки зі структурою ядро-оболонка". Master's thesis, Сумський державний університет, 2019. http://essuir.sumdu.edu.ua/handle/123456789/75629.

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У ході виконання магістерської роботи було побудовано математичну модель біметалевої Au@Pd наночастинки, розраховані температурні залежності структурних параметрів наночастинки в умовах збільшення температури, побудовано атомістичні конфігурації наночастинки для декількох ключових температур за допомогою програмного пакету OVITO.
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Борисюк, Вадим Миколайович, Вадим Николаевич Борисюк та Vadym Mykolaiovych Borysiuk. "Механічні властивості та фазові переходи в Tin+1Cn максенах і металевих наноматеріалах під дією зовнішнього впливу деформації та температури". Thesis, Сумський державний університет, 2021. https://essuir.sumdu.edu.ua/handle/123456789/83599.

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Дисертаційна робота присвячена встановленню закономірностей структурних змін та фазових перетворень у двовимірних системах та металевих наноматеріалах під різним типом зовнішньої дії, а також зв’язку цих перетворень з фізичними властивостями досліджуваних систем. Основним результатом роботи є запропонована концепція дослідження наноматеріалів, що базується на методах класичної молекулярної динаміки та теоретичної фізики, яка була застосована для розрахунку ефективних механічних параметрів та описанні поведінки двовимірних карбідів титану та інших низькорозмірних систем під дією зовнішнього впл
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Books on the topic "Lindemann index"

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Gerst, Dominik, Maria Klessmann, and Hannes Krämer, eds. Grenzforschung. Nomos Verlagsgesellschaft mbH & Co. KG, 2021. http://dx.doi.org/10.5771/9783845295305.

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Die Erforschung von Grenzen erfährt aktuell eine enorme Aufmerksamkeit. Das erste deutschsprachige Handbuch zum hochdynamischen Forschungsfeld der Grenzforschung stellt das interdisziplinäre Sachgebiet in seiner Breite dar und liefert somit eine aktuelle Bestimmung des Feldes. In über 30 Beiträgen aus verschiedenen Disziplinen werden zunächst die historischen, methodologischen sowie theoretischen Grundlagen der interdisziplinären Grenzforschung rekonstruiert, bevor ausgewählte konzeptionelle Perspektiven sowie zentrale Themengebiete vorgestellt werden. Der Band schließt mit einer Erweiterung d
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Book chapters on the topic "Lindemann index"

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Egbert, Simon. "Die Multimodalität von Diskursen." In Diskurs und Materialität. Springer Fachmedien Wiesbaden, 2022. http://dx.doi.org/10.1007/978-3-658-37053-4_2.

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ZusammenfassungDieses und das nächste Kapitel haben diejenigen Prämissen zum Gegenstand, die als grundlegende sozialtheoretische Basis für die vorliegende Arbeit dienen und die verfolgte Forschungsperspektive von Anbeginn wesentlich lenkten, indem sie festlegten, was überhaupt als Forschungsgegenstand erkannt und wie sich dieser begrifflich und intellektuell zugänglich gemacht wurde. Die Ausführungen stellen damit so etwas wie eine theoretische Selbstpositionierung dar, indem sie mein diesbezügliches Weltbild explizieren. Ich fasse diese Gedanken und Konzepte unter dem Sammelbegriff Sozialtheo
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