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Journal articles on the topic 'Ultrastable glasses'

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1

Yu Hai-Bin and Yang Qun. "Ultrastable glasses." Acta Physica Sinica 66, no. 17 (2017): 176108. http://dx.doi.org/10.7498/aps.66.176108.

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2

Guo, Yunlong, Anatoli Morozov, Dirk Schneider, Jae Woo Chung, Chuan Zhang, Maike Waldmann, Nan Yao, George Fytas, Craig B. Arnold, and Rodney D. Priestley. "Ultrastable nanostructured polymer glasses." Nature Materials 11, no. 4 (February 5, 2012): 337–43. http://dx.doi.org/10.1038/nmat3234.

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3

Ràfols-Ribé, Joan, Ana Vila-Costa, Cristian Rodríguez-Tinoco, Aitor F. Lopeandía, Javier Rodríguez-Viejo, and Marta Gonzalez-Silveira. "Kinetic arrest of front transformation to gain access to the bulk glass transition in ultrathin films of vapour-deposited glasses." Physical Chemistry Chemical Physics 20, no. 47 (2018): 29989–95. http://dx.doi.org/10.1039/c8cp06264a.

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4

Ngai, K. L., Marian Paluch, and Cristian Rodríguez-Tinoco. "Why is surface diffusion the same in ultrastable, ordinary, aged, and ultrathin molecular glasses?" Physical Chemistry Chemical Physics 19, no. 44 (2017): 29905–12. http://dx.doi.org/10.1039/c7cp05357f.

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5

Hocky, Glen M., Ludovic Berthier, and David R. Reichman. "Equilibrium ultrastable glasses produced by random pinning." Journal of Chemical Physics 141, no. 22 (December 14, 2014): 224503. http://dx.doi.org/10.1063/1.4903200.

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6

Singh, Sadanand, M. D. Ediger, and Juan J. de Pablo. "Ultrastable glasses from in silico vapour deposition." Nature Materials 12, no. 2 (January 6, 2013): 139–44. http://dx.doi.org/10.1038/nmat3521.

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7

Rodríguez-Tinoco, Cristian, K. L. Ngai, Marzena Rams-Baron, Javier Rodríguez-Viejo, and Marian Paluch. "Distinguishing different classes of secondary relaxations from vapour deposited ultrastable glasses." Physical Chemistry Chemical Physics 20, no. 34 (2018): 21925–33. http://dx.doi.org/10.1039/c8cp02341g.

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8

Mariani, Manuel Sebastian, Giorgio Parisi, and Corrado Rainone. "Calorimetric glass transition in a mean-field theory approach." Proceedings of the National Academy of Sciences 112, no. 8 (February 9, 2015): 2361–66. http://dx.doi.org/10.1073/pnas.1500125112.

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The study of the properties of glass-forming liquids is difficult for many reasons. Analytic solutions of mean-field models are usually available only for systems embedded in a space with an unphysically high number of spatial dimensions; on the experimental and numerical side, the study of the properties of metastable glassy states requires thermalizing the system in the supercooled liquid phase, where the thermalization time may be extremely large. We consider here a hard-sphere mean-field model that is solvable in any number of spatial dimensions; moreover, we easily obtain thermalized configurations even in the glass phase. We study the 3D version of this model and we perform Monte Carlo simulations that mimic heating and cooling experiments performed on ultrastable glasses. The numerical findings are in good agreement with the analytical results and qualitatively capture the features of ultrastable glasses observed in experiments.
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9

Fullerton, Christopher J., and Ludovic Berthier. "Density controls the kinetic stability of ultrastable glasses." EPL (Europhysics Letters) 119, no. 3 (August 1, 2017): 36003. http://dx.doi.org/10.1209/0295-5075/119/36003.

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10

Singh, Sadanand, M. D. Ediger, and Juan J. de Pablo. "Erratum: Corrigendum: Ultrastable glasses from in silico vapour deposition." Nature Materials 13, no. 6 (May 21, 2014): 662. http://dx.doi.org/10.1038/nmat3988.

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11

Sun, Qijing, David M. Miskovic, and Michael Ferry. "Film thickness effect on formation of ultrastable metallic glasses." Materials Today Physics 18 (May 2021): 100370. http://dx.doi.org/10.1016/j.mtphys.2021.100370.

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12

Sun, Qijing, David M. Miskovic, Kevin Laws, Hui Kong, Xun Geng, and Michael Ferry. "Transition towards ultrastable metallic glasses in Zr-based thin films." Applied Surface Science 533 (December 2020): 147453. http://dx.doi.org/10.1016/j.apsusc.2020.147453.

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13

Perez-Castaneda, T., C. Rodriguez-Tinoco, J. Rodriguez-Viejo, and M. A. Ramos. "Suppression of tunneling two-level systems in ultrastable glasses of indomethacin." Proceedings of the National Academy of Sciences 111, no. 31 (July 7, 2014): 11275–80. http://dx.doi.org/10.1073/pnas.1405545111.

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14

Liu, Jianming, Linli Shen, Ya Chen, Yi Zhao, Yaqian Zhang, Mengfeifei Jin, Haisheng Yang, Yujie Zhang, Weidong Xiang, and Xiaojuan Liang. "Highly luminescent and ultrastable cesium lead halide perovskite nanocrystal glass for plant-growth lighting engineering." Journal of Materials Chemistry C 7, no. 43 (2019): 13606–12. http://dx.doi.org/10.1039/c9tc04799a.

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15

Mangalara, Jayachandra Hari, Michael D. Marvin, and David S. Simmons. "Three-Layer Model for the Emergence of Ultrastable Glasses from the Surfaces of Supercooled Liquids." Journal of Physical Chemistry B 120, no. 21 (May 19, 2016): 4861–65. http://dx.doi.org/10.1021/acs.jpcb.6b04736.

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16

Rodríguez-Tinoco, Cristian, Marta Gonzalez-Silveira, Joan Ràfols-Ribé, Aitor F. Lopeandía, Maria Teresa Clavaguera-Mora, and Javier Rodríguez-Viejo. "Evaluation of Growth Front Velocity in Ultrastable Glasses of Indomethacin over a Wide Temperature Interval." Journal of Physical Chemistry B 118, no. 36 (August 25, 2014): 10795–801. http://dx.doi.org/10.1021/jp506782d.

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17

Bangsund, John S., Jack R. Van Sambeek, Nolan M. Concannon, and Russell J. Holmes. "Sub–turn-on exciton quenching due to molecular orientation and polarization in organic light-emitting devices." Science Advances 6, no. 32 (August 2020): eabb2659. http://dx.doi.org/10.1126/sciadv.abb2659.

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The efficiency of organic light-emitting devices (OLEDs) is often limited by roll-off, where efficiency decreases with increasing bias. In most OLEDs, roll-off primarily occurs due to exciton quenching, which is commonly assumed to be active only above device turn-on. Below turn-on, exciton and charge carrier densities are often presumed to be too small to cause quenching. Using lock-in detection of photoluminescence, we find that this assumption is not generally valid; luminescence can be quenched by >20% at biases below turn-on. We show that this low-bias quenching is due to hole accumulation induced by intrinsic polarization of the electron transport layer (ETL). Further, we demonstrate that selection of nonpolar ETLs or heating during deposition minimizes these losses, leading to efficiency enhancements of >15%. These results reveal design rules to optimize efficiency, clarify how ultrastable glasses improve OLED performance, and demonstrate the importance of quantifying exciton quenching at low bias.
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18

Ngai, K. L., Li-Min Wang, and Hai-Bin Yu. "Relating Ultrastable Glass Formation to Enhanced Surface Diffusion via the Johari–Goldstein β-Relaxation in Molecular Glasses." Journal of Physical Chemistry Letters 8, no. 12 (June 7, 2017): 2739–44. http://dx.doi.org/10.1021/acs.jpclett.7b01192.

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19

Gutiérrez, Ricardo, and Juan P. Garrahan. "Front propagation versus bulk relaxation in the annealing dynamics of a kinetically constrained model of ultrastable glasses." Journal of Statistical Mechanics: Theory and Experiment 2016, no. 7 (July 4, 2016): 074005. http://dx.doi.org/10.1088/1742-5468/2016/07/074005.

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20

Yang, Fan, Chao Wang, Haiyang Bai, Weihua Wang, and Yanhui Liu. "Periodic island-layer-island growth during deposition of ultrastable metallic glasses." Communications Materials 2, no. 1 (July 13, 2021). http://dx.doi.org/10.1038/s43246-021-00180-9.

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AbstractThe fast exploration of low energy configuration by surface atoms is believed to favor the formation of ultrastable metallic glasses, prepared by physical vapor deposition. Here, we find that the rearrangement of surface atoms is collective, rather than being dominated by individual atoms. Specifically, we experimentally observe the growth process of ultrastable metallic glasses at monolayer resolution, which follows a periodic island-layer-island pattern with morphology variation between islands and flat surfaces. The estimated surface diffusion coefficient is orders of magnitude higher than that for bulk diffusion. The fast surface dynamics allow the newly deposited clusters on the flat surface to form local islands with spherical shape, which substantially reduces the surface free energy in each island-layer-island growth cycle. Our findings are helpful for understanding the growth mechanisms of ultrastable metallic glasses and potentially for tailoring their properties.
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21

Parmar, Anshul D. S., Misaki Ozawa, and Ludovic Berthier. "Ultrastable Metallic Glasses In Silico." Physical Review Letters 125, no. 8 (August 21, 2020). http://dx.doi.org/10.1103/physrevlett.125.085505.

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22

Lüttich, Martin, Valentina M. Giordano, Sylvie Le Floch, Eloi Pineda, Federico Zontone, Yuansu Luo, Konrad Samwer, and Beatrice Ruta. "Anti-Aging in Ultrastable Metallic Glasses." Physical Review Letters 120, no. 13 (March 30, 2018). http://dx.doi.org/10.1103/physrevlett.120.135504.

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23

He, L., A. Gujral, M. D. Ediger, and P. M. Voyles. "Fluctuation Electron Microscopy Study of Medium-Range Packing Order in Ultrastable Indomethacin Glass Thin Films." MRS Proceedings 1757 (2015). http://dx.doi.org/10.1557/opl.2015.48.

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ABSTRACTWe have used fluctuation electron microscopy (FEM) to measure the medium range order in the molecular packing of 40 nm thick indomethacin glass films. Vapor deposition of indomethacin can create glasses with extraordinary kinetic stability and high density. We find peaks in the FEM variance at diffraction vector magnitudes between 0.03 and 0.09 Å-1, corresponding to intermolecular packing distances of 1-3 nm. FEM experiments were performed with a 13 nm diameter electron probe, so these data are sensitive to medium-range order in intermolecular packing. The FEM variance from an indomethacin glass with normal stability cooled from the liquid is significantly smaller than the variance from the ultrastable glass, suggesting that ultrastable glass is more structurally heterogeneous at a 13 nm length scale. A dose of ∼7×105 e-/nm2 with a very low beam current of ∼ 2.5 pA at 200 kV was used to minimize electron beam damage to the sample, and the average electron diffraction from the sample is unchanged at total electron doses fourteen times larger than required for a FEM experiment. These preliminary results on medium-range order in molecular glasses suggest that we may be able to provide insight into the structural differences between the remarkable ultrastable thin films and ordinary glasses.
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24

Yu, H. B., M. Tylinski, A. Guiseppi-Elie, M. D. Ediger, and R. Richert. "Suppression ofβRelaxation in Vapor-Deposited Ultrastable Glasses." Physical Review Letters 115, no. 18 (October 26, 2015). http://dx.doi.org/10.1103/physrevlett.115.185501.

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25

Luo, P., C. R. Cao, F. Zhu, Y. M. Lv, Y. H. Liu, P. Wen, H. Y. Bai, et al. "Ultrastable metallic glasses formed on cold substrates." Nature Communications 9, no. 1 (April 11, 2018). http://dx.doi.org/10.1038/s41467-018-03656-4.

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26

Flenner, Elijah, Ludovic Berthier, Patrick Charbonneau, and Christopher J. Fullerton. "Front-Mediated Melting of Isotropic Ultrastable Glasses." Physical Review Letters 123, no. 17 (October 23, 2019). http://dx.doi.org/10.1103/physrevlett.123.175501.

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27

Rodríguez-Tinoco, C., M. González-Silveira, M. Barrio, P. Lloveras, J. Ll Tamarit, J. L. Garden, and J. Rodríguez-Viejo. "Ultrastable glasses portray similar behaviour to ordinary glasses at high pressure." Scientific Reports 6, no. 1 (October 3, 2016). http://dx.doi.org/10.1038/srep34296.

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28

Douglass, Ian, and Peter Harrowell. "Formation of Ultrastable Glasses via Precipitation: A Modeling Study." Physical Review Letters 122, no. 8 (February 28, 2019). http://dx.doi.org/10.1103/physrevlett.122.088003.

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29

Perepezko, John H., Meng Gao, and Jun-Qiang Wang. "Nanoglass and Nanocrystallization Reactions in Metallic Glasses." Frontiers in Materials 8 (June 30, 2021). http://dx.doi.org/10.3389/fmats.2021.663862.

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Strategies to change the properties of metallic glass by controlling the crystallization and the glass transition behavior are essential in promoting the application of these materials. Aside from changing the composition approaches to stabilize the glass and frustrate the nucleation and growth of crystals, new strategies at a fixed glass composition are of special interest. In this review, some recent work is summarized on new strategies to tune the properties of metallic glasses without changing composition. First, the nanocrystallization strategy is introduced that is based on the nanocrystallized microstructures such as those that develop in marginal Al-based metallic glasses. The heterogeneous and transient nucleation effects in the nanocrystallization reactions in Al-based metallic glasses are systematically investigated and can be assessed by the determination of delay time based on Flash DSC measurements. These results provide a basis to understand the strong effect of minor alloying additions on the onset of primary Al nanocrystallization and to design the novel Al-based composites with improved properties. Secondly, by an optimal annealing treatment, a liquid-cooled Au-based metallic glass can achieve very high kinetic stability to yield a large increase in glass transition temperature of 28 K and this is 3-5 times larger than the increase usually reported. The measured enthalpy decrease is about 50% of the difference between the as-cooled glass and the equilibrium crystalline state and reaches the extrapolated enthalpy of the supercooled liquid. Finally, the nano-glass strategy makes an Au-based nanoglass show ultrastable kinetic characters at low heating rate (e.g., 300 K/s) compared to a melt-spun ribbon, which is attributed to the kinetic constraint effect of nanoglobular interfaces. These results indicate that the nanoglass microstructure can act to increase metallic glass stability and provide another mechanism for the synthesis of ultrastable glass. These developments open new opportunities to improve the stability and properties and largely increase the application potentials of metallic glasses.
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30

Khomenko, Dmytro, Camille Scalliet, Ludovic Berthier, David R. Reichman, and Francesco Zamponi. "Depletion of Two-Level Systems in Ultrastable Computer-Generated Glasses." Physical Review Letters 124, no. 22 (June 2, 2020). http://dx.doi.org/10.1103/physrevlett.124.225901.

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31

Zhang, Yue, and Zahra Fakhraai. "Invariant Fast Diffusion on the Surfaces of Ultrastable and Aged Molecular Glasses." Physical Review Letters 118, no. 6 (February 10, 2017). http://dx.doi.org/10.1103/physrevlett.118.066101.

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32

Kapteijns, Geert, Wencheng Ji, Carolina Brito, Matthieu Wyart, and Edan Lerner. "Fast generation of ultrastable computer glasses by minimization of an augmented potential energy." Physical Review E 99, no. 1 (January 4, 2019). http://dx.doi.org/10.1103/physreve.99.012106.

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33

Vila-Costa, A., J. Ràfols-Ribé, M. González-Silveira, A. F. Lopeandia, Ll Abad-Muñoz, and J. Rodríguez-Viejo. "Nucleation and Growth of the Supercooled Liquid Phase Control Glass Transition in Bulk Ultrastable Glasses." Physical Review Letters 124, no. 7 (February 21, 2020). http://dx.doi.org/10.1103/physrevlett.124.076002.

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