Results 91 to 100 of about 19,534 (248)

Flow Instabilities of Coupled Rotation and Thermal-Solutal Capillary Convection of Binary Mixture in Czochralski Configuration

open access: yesCrystals, 2019
In order to understand the flow instabilities of coupled rotation and thermal-solutal capillary convection of binary mixture in a Czochralski configuration subjected to simultaneous radial thermal and solutal gradients, a series of three-dimensional ...
Chunmei Wu, Bo Yuan, Yourong Li
doaj   +1 more source

Space processing of crystals for opto-electronic devices: The case for solution growth [PDF]

open access: yes
The results obtained during a six month program aimed at determining the viability of space processing in the 1980's of dielectric-elastic-magnetic single crystals were described.
Cross, L. E., Hayden, S. C.
core   +1 more source

Uwagi do komentarza prof. Michała Kokowskiego o badaniach życiorysu Jana Czochralskiego

open access: yesStudia Historiae Scientiarum, 2016
Prezentowane uwagi są kolejnym (trzecim) etapem polemiki na temat faktów z życia Jana Czochralskiego i różnic w sposobie ich przedstawiania przez amatora i profesjonalnego historyka. Źródłem kontrowersji jest obszerna biografia pt. Powrót.
Paweł E. Tomaszewski
doaj  

TÉCNICAS DE CRECIMIENTO DE MONOCRISTALES DE HIELO DE ALTA CALIDAD

open access: yesAnales (Asociación Física Argentina), 2023
Se describen metodologías experimentales que permiten obtener y caracterizar monocristales de hielo de alta pureza (concentración de impurezas del orden o menor que 0.04 ppm) y baja densidad de dislocaciones (del orden de 10ˆ5 dislocaciones/cm2).
L.E. Arena, O. B. Nasello
doaj  

Lithium tetraborate single crystals as a substrate for SAW devices

open access: yesArchives of Acoustics, 2014
Single crystals of lithium tetraborate (Li2B4O7) as a potential substrate for SAW devices have been investigated. Single crystals of lithium tetraborate have been grown according to the Czochralski technique.
J. FILIPIAK   +2 more
doaj  

Tests of Sapphire Crystals Produced with Different Growth Processes for Ultra-stable Microwave Oscillators

open access: yes, 2015
We present the characterization of 8-12 GHz whispering gallery mode resonators machined in high-quality sapphire crystals elaborated with different growth techniques.
Dubois, Benoit   +3 more
core   +3 more sources

Process and apparatus for growing a crystal ribbon [PDF]

open access: yes, 1984
A process and apparatus is disclosed for growing a crystal ribbon of a substance of theoretically infinite length from a melt of the substance. A pair of fixedly positioned edge defining members are partially submerged into the melt so as to break the ...
Thornhill, J. W.
core   +1 more source

Radioactive contamination of ZnWO4 crystal scintillators

open access: yes, 2010
The radioactive contamination of ZnWO4 crystal scintillators has been measured deep underground at the Gran Sasso National Laboratory (LNGS) of the INFN in Italy with a total exposure 3197 kg x h.
Belli, P.   +22 more
core   +1 more source

Large area Czochralski silicon [PDF]

open access: yes
The overall cost effectiveness of the Czochralski process for producing large-area silicon was determined. The feasibility of growing several 12 cm diameter crystals sequentially at 12 cm/h during a furnace run and the subsequent slicing of the ingot ...
Gleim, P. S., Rea, S. N.
core   +1 more source

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