Results 21 to 30 of about 121 (100)
Several remarks on the text by Mariusz W. Majewski devoted to the history of the Institute of Metallurgy and Metal Science at the Technical University of Warsaw, and on the role of Prof. Jan Czochralski, are presented.
Paweł E. Tomaszewski
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Spiral Crystal Growth in the Czochralski Process—Revisited, with New Interpretations
This review deals first with the spontaneous transition of cylindrically growing Czochralski crystals to the growth in spiral morphology. Further, the growth of a full spiral is described considering the azimuthal growth in the off‐centered rotating melt meniscus.
Dietrich G. Schwabe
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Automated Growth of Si1−xGex Single Crystals with Constant Axial Gradient by Czochralski Technique
This contribution proposes a method for the automated growth of silicon–germanium (SiGe) crystals. To be used as X‐ray and γ‐ray monochromators such crystals must have a constant germanium concentration gradient in their body. This can be achieved by growing them in a special shape.
Nikolay V. Abrosimov +3 more
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Fast and Slow Stages of Lifetime Degradation by Boron–Oxygen Centers in Crystalline Silicon
Apparently contradicting experiments on the light‐induced degradation (LID) in boron‐doped oxygen‐containing crystalline silicon are resolved by introduction of a concept of different kinds of activating impurities participating in boron–oxygen recombination centers.
Jan Schmidt +3 more
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Temperature Measurement Using Optical Fiber Methods: Overview and Evaluation
The paper deals with the overview of fiber optic methods suitable for temperature measurement and monitoring. The aim is to evaluate the current research of temperature measurements in the interval from temperature close to 0 up to 1000°C. Since the measuring chain is a functional combination of optical methods, optical fiber properties, and other ...
Martin Mikolajek +9 more
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The article discusses the issues of implementation of important achievements in the field of metallurgy (including armored weapons, fortifications and the navy), under the supervision of prof.
Mariusz W. Majewski
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Nauka i uczeni w biografiach Anny Czerwińskiej-Rydel
Publikacje poświęcone nauce stanowią ważną część współczesnego rynku książki dla dzieci. W zdecydowanej większości mają one formę dostosowanych do wieku dziecka leksykonów i miniencyklopedii, zarówno o charakterze ogólnym, jak i poświęconych określonemu ...
Rafał Kępa
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Jan Czochralski – pionier światowej elektroniki i inżynierii materiałowej
Artykuł ma na celu przedstawienie sylwetki Jana Czochralskiego, światowej sławy naukowca XX w. Jego głównym osiągnięciem było wynalezienie metody uzyskiwania monokryształów, do dziś stosowanej w produkcji układów scalonych wielkiej skali integracji. Po zakończeniu II wojny światowej Czochralski całkowicie bezpostawnie został oskarżony o kolaborację z ...
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This article evaluates the situation of two renowned scientists in Poland, namely the microbiologist and serologist Ludwik Hirszfeld (1884–1954), and the metallurgist Jan Czochralski (1885–1953), during the time of the German occupation from 1939–45. Both scientists strove to continue their scientific work even under the conditions of occupation but ...
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This work presents a compact induction heating system for time‐resolved in situ X‐ray diffraction imaging. The system enables contact‐free volumetric heating up to approximately 1600°C and provides flexible operation in different operating modes. Its performance is demonstrated through representative diffraction imaging experiments.We present a compact
Merve P. Kabukcuoglu +6 more
wiley +1 more source

