نتایج جستجو برای: czochralski technique

تعداد نتایج: 611832  

2013
D. Bortoletto Daniela Bortoletto

The luminosity upgrade of the large hadron collider (SLHC) at CERN will require the innermost layers of the vertex detectors to achieve excellent performances up to fluences of about 10 hadrons cm . New solid state detectors are currently being developed by the CERN RD50 collaboration. In this paper recent results on magnetic Czochralski, epitaxial, and oxygen-enriched silicon will be presented...

Journal: :Progress in Photovoltaics 2021

In this work, we analyse passivated emitter and rear cells (PERC), based on wafers made from seed manipulation for artificially controlled defects technique (SMART) monocrystalline silicon, magnetically grown conventional Czochralski (mCz Cz) high-performance multicrystalline (hpm) silicon. All were processed identically except the hpm wafers, which received an acidic texture instead of random ...

A. Sh. M. Yassin, M. Zafer, S. Jamal, S. Mohamed,

High quality GGG:Cr,Ca crystal for passive Q-switching Nd:garnet lasers has been grown by the Czochralski method. Thermal treatment of GGG crystals co-doped with Cr4+ and Ca2+ at different temperatures is investigated. The absorption spectra were resolved into different peaks, of modified Gaussian line-shape. Transition from octahedral sites to tetrahedral ones is thermally activated. An...

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