Parker T. Freudenberger, Rebekah L. Blatt, Richard K. Brow
{"title":"Dissolution rates of borophosphate glasses in deionized water and in simulated body fluid","authors":"Parker T. Freudenberger, Rebekah L. Blatt, Richard K. Brow","doi":"10.1016/j.nocx.2023.100181","DOIUrl":"10.1016/j.nocx.2023.100181","url":null,"abstract":"<div><p>Particles of borophosphate glasses with the nominal molar compositions 16Na<sub>2</sub>O-(24-y)CaO-ySrO-xB<sub>2</sub>O<sub>3</sub>-(60-x)P<sub>2</sub>O<sub>5</sub> (mol%), where 0 ≤ x ≤ 60 and y = 0, 12, and 24, were reacted in deionized water and in simulated body fluid (SBF) at 37 °C. For the dissolution experiments in water, the pH of the solution at the conclusion of the experiments increased systematically, from 2.1 to 9.5, for y = 0 glasses when ‘x’ increased from 0 to 60. The reaction rates over the first 8–24 h of dissolution in both SBF and deionized water followed linear kinetics, with reaction rates dependent on glass composition. For glass particles in SBF, replacing P<sub>2</sub>O<sub>5</sub> with up to 20 mol% B<sub>2</sub>O<sub>3</sub> decreased the dissolution rate (fraction dissolved) by two orders of magnitude, from 7.0 × 10<sup>−3</sup> h<sup>−1</sup> for x = 0 to 2.0 × 10<sup>−5</sup> h<sup>−1</sup> for x = 20. Further replacement of P<sub>2</sub>O<sub>5</sub> by B<sub>2</sub>O<sub>3</sub> increased dissolution rates by three orders of magnitude, to 2.3 × 10<sup>−2</sup> h<sup>−1</sup> at x = 60. The compositional dependence of the dissolution rates is explained by changes in the glass structure, with the most durable glasses possessing the greatest fraction of tetrahedral borophosphate sites in the glass network. Crystalline brushite was detected on Ca-glasses with 35 and 40 mol% B<sub>2</sub>O<sub>3</sub>, but the dominant precipitation phase on both the Ca- and Sr-glasses is an x-ray amorphous material constituted from orthophosphate and pyrophosphate anions.</p></div>","PeriodicalId":37132,"journal":{"name":"Journal of Non-Crystalline Solids: X","volume":"18 ","pages":"Article 100181"},"PeriodicalIF":0.0,"publicationDate":"2023-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"41321287","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Erratum to indentation deformation in oxide glasses: Quantification, structural changes, and relation to cracking [Journal of Non crystalline solids:X 1C (2019) 100007]","authors":"Kacper Januchta, Morten M. Smedskjaer","doi":"10.1016/j.nocx.2022.100144","DOIUrl":"10.1016/j.nocx.2022.100144","url":null,"abstract":"","PeriodicalId":37132,"journal":{"name":"Journal of Non-Crystalline Solids: X","volume":"18 ","pages":"Article 100144"},"PeriodicalIF":0.0,"publicationDate":"2023-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"44955614","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Adjustment of refractive index of Ge-Ga-Se glass via Te addition for infrared-imaging applications","authors":"Hyun Kim, Il Jung Yoon, Yong Gyu Choi","doi":"10.1016/j.nocx.2023.100190","DOIUrl":"10.1016/j.nocx.2023.100190","url":null,"abstract":"<div><p>After assessing compositional dependence of thermal and optical properties of Ge-Ga-Se glasses, we introduce Te, via replacing Se, into Ge<sub>25</sub>Ga<sub>5</sub>Se<sub>70</sub> and Ge<sub>35</sub>Ga<sub>5</sub>Se<sub>60</sub> (mol%) glasses in an attempt to enhance their refractive index. In the case of Se-deficient Ge<sub>35</sub>Ga<sub>5</sub>Se<sub>60</sub> composition, vitrification is achieved for Te content up to 20 mol%. In the case of Se-sufficient Ge<sub>25</sub>Ga<sub>5</sub>Se<sub>70</sub> composition, however, formation of bulk glass is realized only when Te content ranges from 25 to 45 mol%. Being proportional to Te content, refractive index of Ge<sub>25</sub>Ga<sub>5</sub>Se<sub>30</sub>Te<sub>40</sub> glass is measured to approach 2.855 at 10 μm, which is far superior to that of any commercialized selenide glasses for infrared-imaging applications. This compositionally tailored Ge<sub>25</sub>Ga<sub>5</sub>Se<sub>30</sub>Te<sub>40</sub> glass is further verified to be compatible with the conventional precision glass molding process, and infrared-imaging performance of the resulting molded lens is as excellent as the existing selenide-glass-based lenses.</p></div>","PeriodicalId":37132,"journal":{"name":"Journal of Non-Crystalline Solids: X","volume":"18 ","pages":"Article 100190"},"PeriodicalIF":0.0,"publicationDate":"2023-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"44247989","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Erratum to “Review on the structural analysis of fluoride-phosphate and fluoro-phosphate glasses” [Journal of Non Crystalline Solids:X 3C (2019) 100026]","authors":"Doris Möncke , Hellmut Eckert","doi":"10.1016/j.nocx.2023.100158","DOIUrl":"10.1016/j.nocx.2023.100158","url":null,"abstract":"","PeriodicalId":37132,"journal":{"name":"Journal of Non-Crystalline Solids: X","volume":"18 ","pages":"Article 100158"},"PeriodicalIF":0.0,"publicationDate":"2023-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"43100075","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Erratum to “The irrelevance of phantom nuclei in crystallization kinetics: An integral equation approach” [Journal of Non Crystalline Solids:X 1C (2019) 100002]","authors":"Jonathan F. Stebbins","doi":"10.1016/j.nocx.2022.100141","DOIUrl":"10.1016/j.nocx.2022.100141","url":null,"abstract":"","PeriodicalId":37132,"journal":{"name":"Journal of Non-Crystalline Solids: X","volume":"18 ","pages":"Article 100141"},"PeriodicalIF":0.0,"publicationDate":"2023-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"41427262","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Philip S. Salmon , Gregory S. Moody , YoshikiIshii , Keiron J. Pizzey , Annalisa Polidori , Mathieu Salanne , Anita Zeidler , Michela Buscemi , Henry E. Fischer , Craig L. Bull , Stefan Klotz , Richard Weber , Chris J. Benmore , Simon G. MacLeod
{"title":"Erratum to “Pressure induced structural transformations in amorphous MgSiO3 and CaSiO3” [Journal of Non crystalline solids:X 3C (2019) 100024]","authors":"Philip S. Salmon , Gregory S. Moody , YoshikiIshii , Keiron J. Pizzey , Annalisa Polidori , Mathieu Salanne , Anita Zeidler , Michela Buscemi , Henry E. Fischer , Craig L. Bull , Stefan Klotz , Richard Weber , Chris J. Benmore , Simon G. MacLeod","doi":"10.1016/j.nocx.2023.100154","DOIUrl":"10.1016/j.nocx.2023.100154","url":null,"abstract":"","PeriodicalId":37132,"journal":{"name":"Journal of Non-Crystalline Solids: X","volume":"18 ","pages":"Article 100154"},"PeriodicalIF":0.0,"publicationDate":"2023-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"43869659","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Claudia Borredon , Luis A. Miccio , Silvina Cerveny , Gustavo A. Schwartz
{"title":"Characterising the glass transition temperature-structure relationship through a recurrent neural network","authors":"Claudia Borredon , Luis A. Miccio , Silvina Cerveny , Gustavo A. Schwartz","doi":"10.1016/j.nocx.2023.100185","DOIUrl":"https://doi.org/10.1016/j.nocx.2023.100185","url":null,"abstract":"<div><p>Quantitative structure-property relationship (QSPR) is a powerful analytical method to find correlations between the structure of a molecule and its physicochemical properties. The glass transition temperature (T<sub>g</sub>) is one of the most reported properties, and its characterisation is critical for tuning the physical properties of materials. In this work, we explore the use of machine learning in the field of QSPR by developing a recurrent neural network (RNN) that relates the chemical structure and the glass transition temperature of molecular glass formers. In addition, we performed a chemical embedding from the last hidden layer of the RNN architecture into an <em>m</em>-dimensional <em>T</em><sub><em>g</em></sub>-oriented space. Then, we test the model to predict the glass transition temperature of essential amino acids and peptides. The results are very promising and they can open the door for exploring and designing new materials.</p></div>","PeriodicalId":37132,"journal":{"name":"Journal of Non-Crystalline Solids: X","volume":"18 ","pages":"Article 100185"},"PeriodicalIF":0.0,"publicationDate":"2023-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"50186007","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Emily M. Aaldenberg, Jared S. Aaldenberg, Timothy M. Gross
{"title":"Glass-water interaction of a potassium phospho-aluminosilicate glass: Influence on mechanical behavior","authors":"Emily M. Aaldenberg, Jared S. Aaldenberg, Timothy M. Gross","doi":"10.1016/j.nocx.2023.100184","DOIUrl":"10.1016/j.nocx.2023.100184","url":null,"abstract":"<div><p>The mechanical behavior of a potassium phospho-aluminosilicate (KPAS) glass which is known to develop near-surface compressive stress profiles resulting from low-temperature water diffusion was explored. Region I of the macro-crack growth curve for the KPAS glass exhibited a steeper slope corresponding to a higher fatigue parameter, <em>n</em>, than soda-lime glass despite a lower <em>n</em> at crosshead speeds of 10<sup>−1</sup>–10<sup>2</sup> mm/min and no decrease in strength at lower rates in dynamic fatigue testing. The fatigue limit was easily observed in 50% RH air for the KPAS glass at velocities ~10<sup>−6</sup>–10<sup>−7</sup> m/s giving rise to the delayed restart of cracks aged below the fatigue limit. Additionally, a 75% strength increase of the KPAS glass was measured after abraded specimens were aged for 100 days in humid air relative to specimens which were tested immediately following abrasion. The effects of swelling stress, surface stress relaxation, crack healing, and crack tip blunting are discussed.</p></div>","PeriodicalId":37132,"journal":{"name":"Journal of Non-Crystalline Solids: X","volume":"18 ","pages":"Article 100184"},"PeriodicalIF":0.0,"publicationDate":"2023-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"43087622","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Zihuai Su , Shengzhi Sun , Ye Dai , Xiaofeng Liu , Jianrong Qiu
{"title":"Femtosecond laser direct-writing of perovskite nanocrystals in glasses","authors":"Zihuai Su , Shengzhi Sun , Ye Dai , Xiaofeng Liu , Jianrong Qiu","doi":"10.1016/j.nocx.2023.100182","DOIUrl":"10.1016/j.nocx.2023.100182","url":null,"abstract":"<div><p>Perovskite, particularly halide perovskite has drawn increasing attention in recent years because of its remarkable photoelectric properties. However, due to its susceptibility to environmental factors, its research and application have been hampered. Recently, perovskite nanocrystals (PNCs) have been precipitated inside glass by using thermal treatment or femtosecond laser irradiation, which results in unprecedented stability because they are protected by glass matrix. This article reviews the fundamental structure and properties of PNCs, the benefits of perovskite nanocrystals-glass composite structure, and the current state of research into the use of a femtosecond laser to induce PNCs in glass. We also discuss the recent progress in the use of perovskite nanocrystals-glass composite structure for stereo-holographic computing, micro-LEDs and optical storage.</p></div>","PeriodicalId":37132,"journal":{"name":"Journal of Non-Crystalline Solids: X","volume":"18 ","pages":"Article 100182"},"PeriodicalIF":0.0,"publicationDate":"2023-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"44511365","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}