Results 41 to 50 of about 1,036,950 (301)

Thermal relaxation of optical nonlinearity in poled glasses

St. Petersburg Polytechnical University Journal: Physics and Mathematics, 2020
The thermal relaxation of second order optical nonlinearity in subsurface layer of a poled soda-lime silicate glass was studied. It is shown that the glass annealing below glass transition temperature leads to full relaxation of the nonlinearity.
Reshetov Ilya, Kaasik Vladimir, Lipovskii Andrey, Tagantsev Dmitry, Zhurikhina Valentina   +4 more
doaj   +1 more source

Optical Properties of Nd3+ Doped Phosphate Glasses at 4F3/2 -> 4I11/2 Hypersensitive Transitions [PDF]

Journal of Pure and Applied Chemistry Research, 2016
The lasing transition 4F3/2®4I11/2 for Nd3+ doped phosphate glass centered around 1.05 – 1.07mm is referred as hypersensitive transition. The radiative properties such as effective linewidth (Dleff), radiative transition probability (AR), branching ratio
Juniastel Rajagukguk, M. Djamal, R. Hidayat, Suprijadi, A. Amminudin, Yotsakit Ruangtaweep, Jakrapong Kaewkhao   +6 more
doaj   +1 more source

Direct Identification of the Glass Transition: Growing Length Scale and the Onset of Plasticity

, 2006
Understanding the mechanical properties of glasses remains elusive since the glass transition itself is not fully understood, even in well studied examples of glass formers in two dimensions. In this context we demonstrate here: (i) a direct evidence for
Bouchbinder E. Langer J. S. Procaccia I., Bouchbinder E. Langer J. S. Procaccia I., E Aharonov, E Bouchbinder, H. G. E Hentschel, I Procaccia, Kovács I., N Makedonska, N Schupper, V Ilyin   +9 more
core   +1 more source

pH‐mediated activation of the lysosomal arginine sensor SLC38A9

FEBS Letters, EarlyView.
Cells monitor nutrient levels via the lysosomal transporter SLC38A9 to activate the mechanistic target of rapamycin complex 1 (mTORC1). This study reveals that SLC38A9 function is regulated by pH. We identified histidine 544 as a critical pH sensor that undergoes conformational changes to control amino acid efflux from lysosomes; therefore, it ...
Xuelang Mu, Ampon Sae Her, Tamir Gonen
wiley   +1 more source

Impact of shadow glass transition on crystallization in metallic glass

National Science Open
The stability of glass against crystallization is of importance in practical applications and theoretical understanding of the nature of glass materials. Annealing has complicated influences on glass stability.
Zhang Hui-Ru, Yang Qun, Wei Shuai, Yue Yuanzheng, Yu Hai-Bin   +4 more
doaj   +1 more source

Kinetically controlled glass transition measurement of organic aerosol thin films using broadband dielectric spectroscopy [PDF]

Atmospheric Measurement Techniques, 2018
Glass transitions from liquid to semi-solid and solid phase states have important implications for reactivity, growth, and cloud-forming (cloud condensation nuclei and ice nucleation) capabilities of secondary organic aerosols (SOAs).
Y. Zhang, Y. Zhang, Y. Zhang, S. Katira, A. Lee, A. Lee, A. T. Lambe, T. B. Onasch, T. B. Onasch, W. Xu, W. A. Brooks, M. R. Canagaratna, A. Freedman, J. T. Jayne, D. R. Worsnop, P. Davidovits, D. Chandler, D. Chandler, C. E. Kolb   +18 more
doaj   +1 more source

An investigation into the morphology and crystallization process of lithium borate glass containing vanadium oxide

Journal of Materials Research and Technology, 2022
A series of lithium borate glasses with V2O5 were successfully prepared by melt annealing. The glass-ceramics were made by heating the glass to the glass transition temperature (Tg), then heating it to the crystallization temperature (Tc), converting it ...
Ahmed H. Hammad, M. Sh. Abdel-wahab, Sajith Vattamkandathil   +2 more
doaj   +1 more source

Ordering of the Heisenberg Spin Glass in High Dimensions

, 2003
Ordering of the Heisenberg spin glass with the nearest-neighbor Gaussian coupling is investigated by equilibrium Monte Carlo simulations in four and five dimensions.
B. Coluzzi, D. Imagawa, D. Stauffer, Daisuke Imagawa, F. Matsubara, F. Matsubara, F. Matsubara, H. G. Katzgraber, H. G. Katzgraber, H. Kawamura, H. Kawamura, H. Kawamura, H. Kawamura, H. Kawamura, H. Kawamura, H. Yoshino, Hikaru Kawamura, J. A. Olive, J. R. Banavar, K. Binder, K. Hukushima, K. Hukushima, K. Hukushima, M. Cieplak, P. Reed, P. W. Anderson, R. Botet, S. Endoh, T. Nakamura, W. L. McMillan   +29 more
core   +1 more source

Non-linear properties of supercooled liquids in the system Na2O---SiO2 [PDF]

, 1994
The physical properties, viscosity, density, heat capacity and thermal expansivity, of relaxed supercooled liquids in the temperature range just above the glass transition have been determined for ten compositions along the compositional binary Na2O ...
Dingwell, Donald B., Knoche, Ruth, Seifert, Friedrich, Webb, Sharon L.   +3 more
core   +1 more source

Infrared laser sampling of low volumes combined with shotgun lipidomics reveals lipid markers in palatine tonsil carcinoma

Molecular Oncology, EarlyView.
Nanosecond infrared laser (NIRL) low‐volume sampling combined with shotgun lipidomics uncovers distinct lipidome alterations in oropharyngeal squamous cell carcinoma (OPSCC) of the palatine tonsil. Several lipid species consistently differentiate tumor from healthy tissue, highlighting their potential as diagnostic markers.
Leonard Kerkhoff, Manuela Moritz, Dennis Eggert, Anna Worthmann, Joerg Heeren, Henrike Zech, Till S. Clauditz, Waldemar Wilczak, Hartmut Schlüter, Christian S. Betz, Arne Böttcher, Jan Hahn   +11 more
wiley   +1 more source