Results 21 to 30 of about 2,343 (175)

The Bridgman method growth and spectroscopic characterization of calcium fluoride single crystals [PDF]

Science of Sintering, 2016
It must be noted that the main objective of this study was to obtain single crystals of calcium fluoride - CaF2, and after that the crystals were characterized with various spectroscopic methods.
Elswie Ibrahim Hana, Lazarević Zorica Ž., Radojević Vesna, Gilić Martina, Rabasović Maja, Šević Dragutin, Romčević Nebojša Ž.   +6 more
doaj   +1 more source

Shape control of the crystal-melt interface in the Bridgman method

Journal of Physics: Conference Series, 2020
Abstract The processes of silicon crystallization in flat-bottomed cylindrical graphite crucibles in the modes of conjugate convective heat transfer with allowance for latent heat are numerically investigated. The influence of hydrodynamics and heat transfer on the local shape of the crystal-melt interface has been studied.
S A Kislitsyn, V S Berdnikov, K A Mitin
openaire   +1 more source

Piezoelectric Materials in Medical Ultrasound: A Comprehensive Review From Fundamentals to Translational Prospects

Information &Functional Materials, EarlyView.
Piezoelectric materials are reviewed as active platforms for medical ultrasound, bridging electromechanical fundamentals, transducer architectures, and biomedical applications. Material–device co‐design is emphasized as the key to high‐performance diagnosis, therapy, monitoring, wearable ultrasound, and emerging ultrasound‐responsive functions ...
Jianan Li, Qing Wan
wiley   +1 more source

The plane-to-cellular-to-dendrite transition of the shape of the crystallization front during the crystallization of Al–Cu alloys [PDF]

Journal of the Serbian Chemical Society, 2006
The evolution of the crystallization front from a planar to a dendritic one as a function of the GL/(Rc0) parameter was investigated during the crystallization of Al–Cu alloys by the vertical Bridgman method.
VESNA RADOJEVIC, ANDREJA VALCIC, SLOBODANKA NIKOLIC, ALEKSANDAR GOLUBOVIC   +3 more
doaj   +3 more sources

Element Segregation and Electrical Properties of PMN-32PT Grown Using the Bridgman Method

Crystals, 2019
A single crystal with nominal composition Pb(Mg1/3Nb2/3)O3-32PbTiO3 (PMN-32PT) was grown by the Bridgman technique. Crystal orientation was determined using the rotating orientation X-ray diffraction (RO-XRD).
Sijia Wang, Zengzhe Xi, Pinyang Fang, Xiaojuan Li, Wei Long, Aiguo He   +5 more
doaj   +1 more source

The impact of COVID‐19 on public perceptions of wild meat in Central Africa

People and Nature, EarlyView.
Abstract Wild meat is a significant source of food and income generation in Central Africa. However, there is little knowledge of how the assumed link between COVID‐19 and wild meat consumption has been discussed by the media and received by the public. In this study, we conducted media content analysis of 264 articles published in 2019–2020 related to
Yuhan Li, Lude Kinzonzi, Paul Loundou, Divin Malekani, Krossy Mavakala, Christian Mikolo Yobo, Katharine Abernethy, Matilda Eve Dunn, Donald Midoko Iponga, Robert Mwinyihali, Joss Wright, Eleanor Jane Milner‐Gulland, Lauren Coad, Juliet H. Wright, Daniel W. S. Challender   +14 more
wiley   +1 more source

Thermal diffusivity of single crystal Bi0.9Sb0.1 [PDF]

Science of Sintering, 2010
A single crystal Bi0.9Sb0.1 ingot was synthesized using the Bridgman technique. Thermal diffusivity and electronic transport properties of single crystal cleaved plates (00l) were determined from PA photoacoustic phase and amplitude spectra obtained ...
Nikolić Pantelija M., Vujatović S.S., Ivetić T., Nikolić M.V., Cvetković O., Aleksić O.S., Blagojević V., Brankovic G., Nikolić N.   +8 more
doaj   +1 more source

Field evaluations of thermal optics and tracking tunnels for small mammal surveys at airports and grass dominated habitats

Wildlife Society Bulletin, EarlyView.
Small mammal survey tools are needed at airports to help inform aircraft strike‐risk management. We evaluated thermal optics and tracking tunnels as small mammal survey tools. We conclude that thermal optics would not be a viable survey tool for mouse‐sized mammals (19‐41 g) at airfields and other thick grass habitats unless grass height was maintained
Aaron B. Shiels, Hunter Ray, Travis L. Guerrant, Craig K. Bloomquist, Scott F. Beckerman   +4 more
wiley   +1 more source

Growth of Antimony Selenide Crystals by Bridgman-Stockbarger Method

Mapana - Journal of Sciences, 2009
Single crystals of antimony selenide were grown from melt by the Bridgman Stockbarger method. X-ray powder diffraction analysis was carried out to determine the lattice parameters of the grown samples.The morphology and chemical analysis of cleavage planes were investigated using SEM and EDAX. The microhardness studies were done by using a Vickers
Chandrasekharan K. A., Kunjomana A. G.
openaire   +2 more sources

Influence of Impurities on the Radiation Response of the TlBr Semiconductor Crystal

Advances in Materials Science and Engineering, 2017
Two commercially available TlBr salts were used as the raw material for crystal growths to be used as radiation detectors. Previously, TlBr salts were purified once, twice, and three times by the repeated Bridgman method.
Robinson Alves dos Santos, Carlos Henrique de Mesquita, Júlio Batista Rodrigues da Silva, Caue de Melo Ferraz, Fabio Eduardo da Costa, João Francisco Trencher Martins, Roseli Fernandes Gennari, Margarida Mizue Hamada   +7 more
doaj   +1 more source