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Journal articles on the topic 'Active Glass'

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Author: Grafiati

Published: 6 September 2023

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1

Shevchenko, Viktor, and Galyna Kotsay. "Prospective of Glass Powder as Active Additive to Portland Cement." Chemistry & Chemical Technology 9, no. 2 (May 15, 2015): 231–35. http://dx.doi.org/10.23939/chcht09.02.231.

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2

Elling, Burkhard, and Rudi Danz. "Active polymer glass hybrid waveguides." Materials Science and Engineering: C 8-9 (December 1999): 401–5. http://dx.doi.org/10.1016/s0928-4931(99)00073-9.

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3

Komatsu, Takayuki, and Tsuyoshi Honma. "Optical Active Nano-Glass-Ceramics." International Journal of Applied Glass Science 4, no. 2 (April 19, 2013): 125–35. http://dx.doi.org/10.1111/ijag.12023.

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4

Pilkiewicz, Kevin R., and Joel D. Eaves. "Reentrance in an active glass mixture." Soft Matter 10, no. 38 (2014): 7495–501. http://dx.doi.org/10.1039/c4sm01177e.

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5

Yu, Ji Woong, S. H. E. Rahbari, Takeshi Kawasaki, Hyunggyu Park, and Won Bo Lee. "Active microrheology of a bulk metallic glass." Science Advances 6, no. 29 (July 2020): eaba8766. http://dx.doi.org/10.1126/sciadv.aba8766.

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The glass transition remains unclarified in condensed matter physics. Investigating the mechanical properties of glass is challenging because any global deformation that might result in shear rejuvenation would require a prohibitively long relaxation time. Moreover, glass is well known to be heterogeneous, and a global perturbation would prevent exploration of local mechanical/transport properties. However, investigation based on a local probe, i.e., microrheology, may overcome these problems. Here, we establish active microrheology of a bulk metallic glass, via a probe particle driven into host medium glass. This technique is amenable to experimental investigations via nanoindentation tests. We provide distinct evidence of a strong relationship between the microscopic dynamics of the probe particle and the macroscopic properties of the host medium glass. These findings establish active microrheology as a promising technique for investigating the local properties of bulk metallic glass.

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6

Sigaev, V. N., S. V. Lotarev, E. V. Orlova, S. Yu Stefanovich, P. Pernice, A. Aronne, E. Fanelli, and I. Gregora. "Lanthanum borogermanate glass-based active dielectrics." Journal of Non-Crystalline Solids 353, no. 18-21 (June 2007): 1956–60. http://dx.doi.org/10.1016/j.jnoncrysol.2007.02.036.

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7

Johnston, I. D., J. B. Davis, R. Richter, G. I. Herbert, and M. C. Tracey. "Elastomer-glass micropump employing active throttles." Analyst 129, no. 9 (2004): 829. http://dx.doi.org/10.1039/b407760c.

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8

Nandi, Saroj Kumar, Rituparno Mandal, Pranab Jyoti Bhuyan, Chandan Dasgupta, Madan Rao, and Nir S. Gov. "A random first-order transition theory for an active glass." Proceedings of the National Academy of Sciences 115, no. 30 (July 9, 2018): 7688–93. http://dx.doi.org/10.1073/pnas.1721324115.

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How does nonequilibrium activity modify the approach to a glass? This is an important question, since many experiments reveal the near-glassy nature of the cell interior, remodeled by activity. However, different simulations of dense assemblies of active particles, parametrized by a self-propulsion force, f0, and persistence time, τp, appear to make contradictory predictions about the influence of activity on characteristic features of glass, such as fragility. This calls for a broad conceptual framework to understand active glasses; here, we extend the random first-order transition (RFOT) theory to a dense assembly of self-propelled particles. We compute the active contribution to the configurational entropy through an effective model of a single particle in a caging potential. This simple active extension of RFOT provides excellent quantitative fits to existing simulation results. We find that whereas f0 always inhibits glassiness, the effect of τp is more subtle and depends on the microscopic details of activity. In doing so, the theory automatically resolves the apparent contradiction between the simulation models. The theory also makes several testable predictions, which we verify by both existing and new simulation data, and should be viewed as a step toward a more rigorous analytical treatment of active glass.

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9

Reben, M., J. Wasylak, and J. Jaglarz. "Influence of active admixtures onto tellurite glass refractive index." Bulletin of the Polish Academy of Sciences: Technical Sciences 58, no. 4 (December 1, 2010): 519–22. http://dx.doi.org/10.2478/v10175-010-0052-0.

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Influence of active admixtures onto tellurite glass refractive index The goal of this work was to investigate the influence of rare earth ions such as Tm3+, Yb3+ on physico-chemical properies of tellurite glass from the TeO2-WO3-PbO-PbF2-Na2O system. The thermal characteristic of tellurite glass Tm3+, Yb3+ doped have been presented. The effect of the glass crystallization on thermal stability of the glass and crystallizing phases formed upon heat treatment were investigated by DTA/DSC/, XRD methods. The spectral dependence of ellipsometric angles of the tellurite glass samples, have been studied. The influence of ions of rare earth elements, i.e. Tm3+ and Yb3+, onto changes of refractive index of glass P1 (without RE admixture) were examined. The optical measurements were conducted on Woollam M2000 spectroscopic ellipsometer, in spectral range of 190-1700 nm.

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10

Mandal, Rituparno, Pranab Jyoti Bhuyan, Madan Rao, and Chandan Dasgupta. "Active fluidization in dense glassy systems." Soft Matter 12, no. 29 (2016): 6268–76. http://dx.doi.org/10.1039/c5sm02950c.

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Dense soft glasses show strong collective caging behavior at sufficiently low temperatures. Using numerical simulations, we show that the introduction of activity can induce cage breaking and fluidization in a model of soft glass. The glass phase disappears beyond a critical value of the activity.

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11

CHEN, YA, JANNE JAAKOLA, ANTTI SÄYNÄTJOKI, ARI TERVONEN, and SEPPO HONKANEN. "SERS-ACTIVE SILVER NANOPARTICLES IN ION-EXCHANGED GLASS." Journal of Nonlinear Optical Physics & Materials 19, no. 04 (December 2010): 527–33. http://dx.doi.org/10.1142/s0218863510005443.

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We study synthesis and SERS activity of glass-embedded ion-exchanged silver nanoparticles formed by two different methods. Silver-sodium ion-exchange process with heat treatment was utilized on commercial microscope slides, while masked ion-exchange technique was performed on glass Corning 0211. The distribution of particles was studied by absorption spectroscopy and atomic force microscopy. After etching the glass surface to expose the particles, SERS performance of these particles was investigated with micro-Raman spectroscopy using Rhodamine 6G as the analyte.

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12

Berthier, Ludovic, Elijah Flenner, and Grzegorz Szamel. "How active forces influence nonequilibrium glass transitions." New Journal of Physics 19, no. 12 (December 7, 2017): 125006. http://dx.doi.org/10.1088/1367-2630/aa914e.

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13

Lousteau, J., D. Furniss, A. B. Seddon, P. Sewell, and T. M. Benson. "Fluoride glass planar waveguides for active applications." Materials Science and Engineering: B 105, no. 1-3 (December 2003): 74–78. http://dx.doi.org/10.1016/j.mseb.2003.08.019.

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14

Hiromatsu, K., D. J. Hwang, and C. P. Grigoropoulos. "Active glass nanoparticles by ultrafast laser pulses." Micro & Nano Letters 3, no. 4 (2008): 121. http://dx.doi.org/10.1049/mnl:20080028.

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15

Milly, Hussam, Frederic Festy, Timothy F. Watson, Ian Thompson, and Avijit Banerjee. "Enamel white spot lesions can remineralise using bio-active glass and polyacrylic acid-modified bio-active glass powders." Journal of Dentistry 42, no. 2 (February 2014): 158–66. http://dx.doi.org/10.1016/j.jdent.2013.11.012.

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16

Xu, Xiaoyun, and Xifeng Liu. "Intense luminescence in nanostructured germanate glass." Materials Research Express 9, no. 2 (February 1, 2022): 025201. http://dx.doi.org/10.1088/2053-1591/ac4fde.

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Abstract The phosphors free of active dopants have been attracted much attention due to their interesting optical properties and potentials for construction of rare-earth free functional materials. In this letter, we report the construction of phosphor free of active dopants via nanocrystallization of glass. In a typical example, a single-phase Zn2GeO4 phosphor is fabricated via controllable crystallization of the germinate glass. Intense green luminescence with the central wavelength at 523 nm can be realized in nanostructured glass and it is estimated to be ∼150 times higher than that of the as-made glass. The physical mechanism is associated with the formation of Zn related interstitial defects during the disorder-order phase transformation in glass. The progress in this work indicates that the avenue of glass crystallization provides an effective strategy for the development of novel active photonic materials free of active dopants.

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17

Barbic, Mladen, Angel Moreno, Tim D. Harris, and Matthew W. Kay. "Detachable glass microelectrodes for recording action potentials in active moving organs." American Journal of Physiology-Heart and Circulatory Physiology 312, no. 6 (June 1, 2017): H1248—H1259. http://dx.doi.org/10.1152/ajpheart.00741.2016.

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Here, we describe new detachable floating glass micropipette electrode devices that provide targeted action potential recordings in active moving organs without requiring constant mechanical constraint or pharmacological inhibition of tissue motion. The technology is based on the concept of a glass micropipette electrode that is held firmly during cell targeting and intracellular insertion, after which a 100-µg glass microelectrode, a “microdevice,” is gently released to remain within the moving organ. The microdevices provide long-term recordings of action potentials, even during millimeter-scale movement of tissue in which the device is embedded. We demonstrate two different glass micropipette electrode holding and detachment designs appropriate for the heart (sharp glass microdevices for cardiac myocytes in rats, guinea pigs, and humans) and the brain (patch glass microdevices for neurons in rats). We explain how microdevices enable measurements of multiple cells within a moving organ that are typically difficult with other technologies. Using sharp microdevices, action potential duration was monitored continuously for 15 min in unconstrained perfused hearts during global ischemia-reperfusion, providing beat-to-beat measurements of changes in action potential duration. Action potentials from neurons in the hippocampus of anesthetized rats were measured with patch microdevices, which provided stable base potentials during long-term recordings. Our results demonstrate that detachable microdevices are an elegant and robust tool to record electrical activity with high temporal resolution and cellular level localization without disturbing the physiological working conditions of the organ. NEW & NOTEWORTHY Cellular action potential measurements within tissue using glass micropipette electrodes usually require tissue immobilization, potentially influencing the physiological relevance of the measurement. Here, we addressed this limitation with novel 100-µg detachable glass microelectrodes that can be precisely positioned to provide long-term measurements of action potential duration during unconstrained tissue movement.

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18

Czajkowski, Michael, Daniel M. Sussman, M. Cristina Marchetti, and M. Lisa Manning. "Glassy dynamics in models of confluent tissue with mitosis and apoptosis." Soft Matter 15, no. 44 (2019): 9133–49. http://dx.doi.org/10.1039/c9sm00916g.

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Using a new Active Vertex Model of confluent epithelial tissue, we investigate the effect of cell division and cell death on previously identified glassy dynamics and establish how fast the cell life cycle must be in order to disrupt the observed dynamical signatures of glass-like behavior.

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19

Righini, Giancarlo C., and Jesús Liñares. "Active and Quantum Integrated Photonic Elements by Ion Exchange in Glass." Applied Sciences 11, no. 11 (June 4, 2021): 5222. http://dx.doi.org/10.3390/app11115222.

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Ion exchange in glass has a long history as a simple and effective technology to produce gradient-index structures and has been largely exploited in industry and in research laboratories. In particular, ion-exchanged waveguide technology has served as an excellent platform for theoretical and experimental studies on integrated optical circuits, with successful applications in optical communications, optical processing and optical sensing. It should not be forgotten that the ion-exchange process can be exploited in crystalline materials, too, and several crucial devices, such as optical modulators and frequency doublers, have been fabricated by ion exchange in lithium niobate. Here, however, we are concerned only with glass material, and a brief review is presented of the main aspects of optical waveguides and passive and active integrated optical elements, as directional couplers, waveguide gratings, integrated optical amplifiers and lasers, all fabricated by ion exchange in glass. Then, some promising research activities on ion-exchanged glass integrated photonic devices, and in particular quantum devices (quantum circuits), are analyzed. An emerging type of passive and/or reconfigurable devices for quantum cryptography or even for specific quantum processing tasks are presently gaining an increasing interest in integrated photonics; accordingly, we propose their implementation by using ion-exchanged glass waveguides, also foreseeing their integration with ion-exchanged glass lasers.

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20

Popanda, Barbara, Marcin Środa, Rudolf Słota, and Maja Zakrzyk. "Metallophthalocyanines as optical active dopants in borate glass." Dyes and Pigments 193 (September 2021): 109496. http://dx.doi.org/10.1016/j.dyepig.2021.109496.

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21

Khalaf, Samer, Jawad H. Shoqeir, Filomena Lelario, Sabino A. Bufo, Rafik Karaman, and Laura Scrano. "TiO2 and Active Coated Glass Photodegradation of Ibuprofen." Catalysts 10, no. 5 (May 18, 2020): 560. http://dx.doi.org/10.3390/catal10050560.

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Commercial non-steroidal anti-inflammatory drugs (NSAIDs) are considered as toxic to the environment since they induce side effects when consumed by humans or aquatic life. Ibuprofen is a member of the NSAID family and is widely used as an anti-inflammatory and painkiller agent. Photolysis is a potentially important method of degradation for several emerging contaminants, and individual compounds can undergo photolysis to various degrees, depending on their chemical structure. The efficiency oftitanium dioxide (TiO2) and photocatalysis was investigated for the removal of ibuprofen from the aquatic environment, and the performance of these different processes was evaluated. In heterogeneous photocatalysis, two experiments were carried out using TiO2 as (i) dispersed powder, and (ii) TiO2 immobilized on the active surface of commercial coated glass. The kinetics of each photoreaction was determined, and the identification of the photoproducts was carried out by liquid chromatography coupled with Fourier-transform ion cyclotron resonance mass spectrometry (LC-FTICR MS). The overall results suggest that the TiO2 active thin layer immobilized on the glass substrate can avoid recovery problems related to the use of TiO2 powder in heterogeneous photocatalysis and may be a promising tool toward protecting the environment from emerging contaminants such as ibuprofen and its derivatives.

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22

Chubak, Iurii, Stanard Mebwe Pachong, Kurt Kremer, Christos N. Likos, and Jan Smrek. "Active Topological Glass Confined within a Spherical Cavity." Macromolecules 55, no. 3 (January 25, 2022): 956–64. http://dx.doi.org/10.1021/acs.macromol.1c02471.

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23

Thulasidas, Athira, and J. Babu. "Bio-active glass synthesis and coating: A review." IOP Conference Series: Materials Science and Engineering 396 (August 29, 2018): 012068. http://dx.doi.org/10.1088/1757-899x/396/1/012068.

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24

Zhao, Zhanxiang, Gin Jose, Toney T. Fernandez, Tim P. Comyn, Mehrdad Irannejad, Paul Steenson, John P. Harrington, et al. "Active glass–polymer superlattice structure for photonic integration." Nanotechnology 23, no. 22 (May 10, 2012): 225302. http://dx.doi.org/10.1088/0957-4484/23/22/225302.

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25

Schulzgen, A., Li Li, Xiushan Zhu, V. L. Temyanko, and N. Peyghambarian. "Microstructured Active Phosphate Glass Fibers for Fiber Lasers." Journal of Lightwave Technology 27, no. 11 (June 2009): 1734–40. http://dx.doi.org/10.1109/jlt.2009.2022476.

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26

Adam, J. L., F. Smektala, and J. Lucas. "Active fluoride glass optical waveguides for laser sources." Optical Materials 4, no. 1 (December 1994): 85–90. http://dx.doi.org/10.1016/0925-3467(94)90061-2.

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27

Rubio, F., J. Rubio, and J. L. Oteo. "Distribution of active sites on E-glass surface." Journal of Materials Science Letters 11, no. 22 (1992): 1501–3. http://dx.doi.org/10.1007/bf00729272.

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28

Borovskiĭ, A. V., A. L. Galkin, V. V. Korobkin, V. B. Mokrov, and A. V. Morozov. "Superluminescence of plate-shaped neodymium glass active elements." Soviet Journal of Quantum Electronics 20, no. 11 (November 30, 1990): 1359–65. http://dx.doi.org/10.1070/qe1990v020n11abeh007520.

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29

Kavouras, Panagiotis, Thomas Kehagias, Philomela Komninou, Konstantinos Chrissafis, Constantine Charitidis, and Theodoros Karakostas. "Interface controlled active fracture modes in glass-ceramics." Journal of Materials Science 43, no. 11 (June 2008): 3954–59. http://dx.doi.org/10.1007/s10853-007-2221-6.

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30

Wawrzyniak, Beata, Antoni Waldemar Morawski, and Beata Tryba. "Preparation of TiO2-nitrogen-doped photocatalyst active under visible light." International Journal of Photoenergy 2006 (2006): 1–8. http://dx.doi.org/10.1155/ijp/2006/68248.

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This study examined the photocatalytic degradation of phenol and azo dyes such as Reactive Red 198 and Direct Green 99 by photocatalysis over amorphous hydrated titanium dioxide (TiO2· H2O) obtained directly from the sulphate technology installation modified in gaseous ammonia atmosphere. The photocatalysts were used in the solution and coated on the glass plate after sandblasting. The highest rate of phenol degradation in the solution was obtained for catalysts calcinated at 700°C (6.5% wt.), and the highest rate of dye decolorization was found for catalysts calcinated at 500°C and 600°C (ca. 40%–45%). Some TOC measurements of dye solutions were performed to check the rate of mineralization. On the glass plate, the decomposition of DG99 on TiO2/N 500 contrary to TiO2-P25 proceeded completely after 120 hours of visible light irradiation. The prolongation of the time of irradiation did not enhance DG99 degradation on TiO2-P25. The decomposition of the Direct Green 99 on TiO2/N 500 coated on the glass plate covered with liquid glass took place up to 24 hours of irradiation. The liquid layer on the glass plate which was covered with the photocatalyst reduced its activity. The nitrogen doping during calcinations under ammonia atmosphere is a new way of obtaining a photocatalyst which could have a practical application in water treatment system under broadened solar light spectrum as well as self-cleaning coatings.

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31

Żmojda, Jacek, Piotr Miluski, Marcin Kochanowicz, Jan Dorosz, Agata Baranowska, Magdalena Leśniak, and Dominik Dorosz. "Luminescent properties of active optical fibers." Photonics Letters of Poland 11, no. 2 (July 1, 2019): 50. http://dx.doi.org/10.4302/plp.v11i2.908.

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Luminescent optical fibres are one of the most important photonics elements as they allow to construct high power fibre lasers and different unique optical sources in the broad range from UV to IR. The most important requirements cover efficient luminescence core materials and easily pumped optical fibre constructions. Depends on the applications the variety of optical fibres have been proposed based on glasses and polymers. In the paper some recent constructions developed in Bialystok Photonics Group have been shown. Full Text: PDF ReferencesA. Zajac, D. Dorosz, M. Kochanowicz, M. Skórczakowski, J. Świderski, "Fibre lasers - conditioning constructional and technological", Bull. Pol. Ac.: Tech. 58, 4 (2010) CrossRef M. Kochanowicz, J. Zmojda, P. Miluski, A. Baranowska, M. Leich, A. Schwuchow, M. Jager, M. Kuwik, J. Pisarska, W. A. Pisarski, D.Dorosz, "Tm3+/Ho3+ co-doped germanate glass and double-clad optical fiber for broadband emission and lasing above 2 µm", Optical Materials Express, 9, 3 (2019) CrossRef J. Zmojda, M. Kochanowicz, P. Miluski, W.A., Pisarski, J. Pisarska, R. Jadach, M. Sitarz, D. Dorosz, "Structural and optical properties of antimony-germanate-borate glass and glass fiber co-doped Eu3+ and Ag nanoparticles", Spectrochimica Acta - Part A: Molecular and Biomolecular Spectroscopy, 201 (2018) CrossRef P. Miluski, M. Kochanowicz, J. Zmojda, A. Baranowska, D. Dorosz, "Energy transfer of Tb(tmhd)3 - Rhodamine B in poly(methyl methacrylate) fiber for new photonic applications", Optical Materials 87, 132 (2019) CrossRef

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32

Jana, Debrina, Adarsh B. Vasista, Harshvardhan Jog, Ravi P. N. Tripathi, Monica Allen, Jeffery Allen, and G. V. Pavan Kumar. "V-shaped active plasmonic meta-polymers." Nanoscale 11, no. 9 (2019): 3799–803. http://dx.doi.org/10.1039/c8nr10034a.

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A facile, cheap, and scalable method for the fabrication of V shaped plasmonic meta-polymers on a glass substrate/silicon wafer has been reported. This V shaped antenna shows unique polarization and electric field signatures and enhances molecular signatures in the near field.

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33

Allien, J. Vipin, Hemantha Kumar, and Vijay Desai. "Semi-active vibration control of MRF core PMC cantilever sandwich beams: Experimental study." Proceedings of the Institution of Mechanical Engineers, Part L: Journal of Materials: Design and Applications 234, no. 4 (February 4, 2020): 574–85. http://dx.doi.org/10.1177/1464420720903078.

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The semi-active vibration control of sandwich beams made of chopped strand mat glass fiber reinforced polyester resin polymer matrix composite (PMC) and magnetorheological fluid (MRF) core were experimentally investigated in this study. Two-, four- and six-layered glass fiber reinforced polyester resin polymer matrix composites were prepared using the hand-layup technique. The magnetorheological fluid was prepared in-house with 30% volume of carbonyl iron powder and 70% volume of silicone oil. Nine cantilever sandwich beams of varying thicknesses of the top and bottom layers glass fiber reinforced polyester resin polymer matrix composite beams and middle magnetorheological fluid core were prepared. The magnetorheological fluid core was activated with a non-homogeneous magnetic field using permanent magnets. The first three modes, natural frequencies and damping ratios of the glass fiber reinforced polyester resin polymer matrix composite-magnetorheological fluid core sandwich beams were determined through free vibration analysis using DEWESoft modal analysis software. The amplitude frequency response of the glass fiber reinforced polyester resin polymer matrix composite-magnetorheological fluid core sandwich beams through forced vibration analysis was determined using LabVIEW. The effect of various parameters such as magnetic flux density, thickness of glass fiber reinforced polyester resin polymer matrix composite layers and magnetorheological fluid core layer on the natural frequencies, damping ratio and vibration amplitude suppressions of the glass fiber reinforced polyester resin polymer matrix composite-magnetorheological fluid core sandwich beams was investigated. Based on the results obtained, 2 mm thickness top and bottom layers glass fiber reinforced polyester resin polymer matrix composite and 5 mm thickness magnetorheological fluid core sample have achieved a high shift in increased natural frequency, damping ratio and vibration amplitude suppression under the influence of magnetic flux density.

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34

Snijder, A. H., L. P. L. van der Linden, C. Goulas, C. Louter, and R. Nijsse. "The glass swing: a vector active structure made of glass struts and 3D-printed steel nodes." Glass Structures & Engineering 5, no. 1 (November 13, 2019): 99–116. http://dx.doi.org/10.1007/s40940-019-00110-9.

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Abstract The majority of glass used in load-bearing structures is as planar elements. Some projects exist that use linear glass elements. This paper discusses in broad terms the design, engineering, and fabrication of a unique vector active glass structure consisting of glass bundles and partly printed steel connections. A structure was conceived that utilizes the glass bundles in a way that can be directly experienced by the users: a swing. To create a non-standard form for the swing, a structural optimization procedure was used. To realize the structure, a novel steel node was developed and produced using an additive manufacturing technique in steel. These novel applications have made the project innovation heavy, particularly considering the limited timeframe for its development and construction. Description is given of the several optimization techniques incorporated in the digital process, the assembly and testing of the glass bundles, and the manufacturing of the steel nodes by Wire and Arc Additive Manufacturing.

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35

Debets, Vincent E., and Liesbeth M. C. Janssen. "Active glassy dynamics is unaffected by the microscopic details of self-propulsion." Journal of Chemical Physics 157, no. 22 (December 14, 2022): 224902. http://dx.doi.org/10.1063/5.0127569.

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Recent years have seen a rapid increase of interest in dense active materials, which, in the disordered state, share striking similarities with the conventional passive glass-forming matter. For such passive glassy materials, it is well established (at least in three dimensions) that the details of the microscopic dynamics, e.g., Newtonian or Brownian, do not influence the long-time glassy behavior. Here, we investigate whether this still holds true in the non-equilibrium active case by considering two simple and widely used active particle models, i.e., active Ornstein-Uhlenbeck particles (AOUPs) and active Brownian particles (ABPs). In particular, we seek to gain more insight into the role of the self-propulsion mechanism on the glassy dynamics by deriving a mode-coupling theory (MCT) for thermal AOUPs, which can be directly compared to a recently developed MCT for ABPs. Both theories explicitly take into account the active degrees of freedom. We solve the AOUP- and ABP-MCT equations in two dimensions and demonstrate that both models give almost identical results for the intermediate scattering function over a large variety of control parameters (packing fractions, active speeds, and persistence times). We also confirm this theoretical equivalence between the different self-propulsion mechanisms numerically via simulations of a polydisperse mixture of active quasi-hard spheres, thereby establishing that, at least for these model systems, the microscopic details of self-propulsion do not alter the active glassy behavior.

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36

Mandal, Rituparno, and Peter Sollich. "Shear-induced orientational ordering in an active glass former." Proceedings of the National Academy of Sciences 118, no. 39 (September 22, 2021): e2101964118. http://dx.doi.org/10.1073/pnas.2101964118.

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Dense assemblies of self-propelled particles that can form solid-like states also known as active or living glasses are abundant around us, covering a broad range of length scales and timescales: from the cytoplasm to tissues, from bacterial biofilms to vehicular traffic jams, and from Janus colloids to animal herds. Being structurally disordered as well as strongly out of equilibrium, these systems show fascinating dynamical and mechanical properties. Using extensive molecular dynamics simulation and a number of distinct dynamical and mechanical order parameters, we differentiate three dynamical steady states in a sheared model active glassy system: 1) a disordered state, 2) a propulsion-induced ordered state, and 3) a shear-induced ordered state. We supplement these observations with an analytical theory based on an effective single-particle Fokker–Planck description to rationalize the existence of the shear-induced orientational ordering behavior in an active glassy system without explicit aligning interactions of, for example, Vicsek type. This ordering phenomenon occurs in the large persistence time limit and is made possible only by the applied steady shear. Using a Fokker–Planck description with parameters that can be measured independently, we make testable predictions for the joint distribution of single-particle position and orientation. These predictions match well with the joint distribution measured from direct numerical simulation. Our results are of relevance for experiments exploring the rheological response of dense active colloids and jammed active granular matter systems.

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37

Madan, Natasha, Neeraj Madan, Vikram Sharma, Deepak Pardal, and Nidhi Madan. "Tooth remineralization using bio-active glass - A novel approach." Journal of Advanced Oral Research 2, no. 2 (May 2011): 45–50. http://dx.doi.org/10.1177/2229411220110209.

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38

Liu Jing, 刘晶, 李磊 Li Lei, 陈汝风 Chen Rufeng, 施翔春 Shi Xiangchun, 刘秋菊 Liu Qiuju, 杨中国 Yang Zhongguo, and 王建磊 Wang Jianlei. "100 J Level Active Mirror Nd∶Glass Laser Amplifier." Chinese Journal of Lasers 45, no. 5 (2018): 0501001. http://dx.doi.org/10.3788/cjl201845.0501001.

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Eckl, Martin, Peter Strohriegl, Manfred Eich, Martin Sprave, and Jan Vydra. "Nonlinear Optical Active Polymethacrylates with High Glass Transition Temperatures." Molecular Crystals and Liquid Crystals Science and Technology. Section A. Molecular Crystals and Liquid Crystals 283, no. 1 (June 1996): 143–49. http://dx.doi.org/10.1080/10587259608037878.

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40

Berthier, Ludovic, and Jorge Kurchan. "Non-equilibrium glass transitions in driven and active matter." Nature Physics 9, no. 5 (March 31, 2013): 310–14. http://dx.doi.org/10.1038/nphys2592.

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Nair, Nishant, Vishakha Dave, and Snehal Jani. "Active Manipulation of Droplets on Glass Substrate using Ferrofluid." Materials Today: Proceedings 29 (2020): 258–66. http://dx.doi.org/10.1016/j.matpr.2020.07.271.

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Čukman, Dunja, Jasenka Jednačak-Bišćan, Zorica Veksli, and Wolfgang Haller. "Characterization of active sites at chemically modified glass surfaces." Journal of Colloid and Interface Science 115, no. 2 (February 1987): 357–61. http://dx.doi.org/10.1016/0021-9797(87)90050-6.

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Sorek, Y., R. Reisfeld, I. Finkelstein, and S. Ruschin. "Active glass waveguides prepared by the sol-gel method." Optical Materials 4, no. 1 (December 1994): 99–101. http://dx.doi.org/10.1016/0925-3467(94)90063-9.

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Cormier, L., and S. Zhou. "Transition metals as optically active dopants in glass-ceramics." Applied Physics Letters 116, no. 26 (June 29, 2020): 260503. http://dx.doi.org/10.1063/5.0014618.

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Santos, John P., Eric R. Welsh, Bruce P. Gaber, and Alok Singh. "Polyelectrolyte-Assisted Immobilization of Active Enzymes on Glass Beads." Langmuir 17, no. 17 (August 2001): 5361–67. http://dx.doi.org/10.1021/la0102556.

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Perrone, G., A. Moro, C. Contardi, and D. Milanese. "Ion exchanged waveguide in new active and photosensitive glass." Electronics Letters 36, no. 22 (2000): 1845. http://dx.doi.org/10.1049/el:20001318.

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Kato, Masao, Takao Shiraga, Tatsumi Kimura, Takashi Fukuda, Hiro Matsuda, and Hachiro Nakanishi. "NLO-active maleimide copolymers with high glass transition temperatures." Polymers for Advanced Technologies 13, no. 2 (January 21, 2002): 120–26. http://dx.doi.org/10.1002/pat.163.

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Eckl, Martin, Harry Müller, Peter Strohriegl, Stefan Beckmann, Karl-Heinz Etzbach, Manfred Eich, and Jan Vydra. "Nonlinear optically active polymethacrylates with high glass transition temperatures." Macromolecular Chemistry and Physics 196, no. 1 (January 1995): 315–25. http://dx.doi.org/10.1002/macp.1995.021960122.

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Polyakov, V. E., A. V. Emelyanov, A. A. Zakutaev, and V. V. Shirobokov. "ACTIVE MEDIUM FOR FIBRE LASERS AND TECHNOLOGY FOR PRODUCTION THEREOF." Journal of Applied Spectroscopy 89, no. 1 (January 21, 2022): 110–17. http://dx.doi.org/10.47612/0514-7506-2022-89-1-110-117.

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Abstract:

Invention relates to laser equipment. Active medium for fiber lasers contains a structurally-activated epoxy oligomer with molecules of organic dyes and a hardener. Curing agent used is finely dispersed glass with chemically activated reactive groups on the surface with the following ratio of ingredients pts.wt.: organic dye 0.0075-01; epoxy oligomer 8.0-31.5; fine-dispersed glass with chemically activated surface 68.4925-91.9. Technical result consists in enabling adjustment of the value of the refractive index of the active fibre core.

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Babich, Ekaterina, Vladimir Kaasik, Alexey Redkov, Thomas Maurer, and Andrey Lipovskii. "SERS-Active Pattern in Silver-Ion-Exchanged Glass Drawn by Infrared Nanosecond Laser." Nanomaterials 10, no. 9 (September 16, 2020): 1849. http://dx.doi.org/10.3390/nano10091849.

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Abstract:

The irradiation of silver-to-sodium ion-exchanged glass with 1.06-μm nanosecond laser pulses of mJ-range energy results in the formation of silver nanoparticles under the glass surface. Following chemical removal of ~25-nm glass layer reveals a pattern of nanoparticles capable of surface enhancement of Raman scattering (SERS). The pattern formed when laser pulses are more than half-overlapped provides up to ~105 enhancement and uniform SERS signal distribution, while the decrease of the pulse overlap results in an order of magnitude higher but less uniform enhancement.

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