نتایج جستجو برای: urbach wiethe

تعداد نتایج: 420  

2006
Max Albert

Probability theory is important not least because of its relevance for decision making, which also means: its relevance for the single case. The frequency theory of probability on its own is irrelevant in the single case. However, Howson and Urbach argue that Bayesianism can solve the frequentist’s problem: frequentist-probability information is relevant to Bayesians (although to nobody else). ...

2009
R. I. Badran F. S. Al-Hazmi S. Al-Heniti A. A. Al-Ghamdi J. Li S. Xiong

Two sets of hydrogenated microcrystalline silicon thin-film samples were prepared by Plasma Enhanced Chemical Vapor Deposition (PECVD) technique at different deposition conditions of excited power and pressure. The correlation between the crystalline volume fraction for the samples determined from Raman spectra and the excited power, pressure, absorption coefficient, refractive index and optica...

2012
Muhammad Masuduzzaman Sujing Xie Jayhoon Chung Dhanoop Varghese John Rodriguez Srikanth Krishnan Muhammad Ashraful Alam

Related Articles Advanced modeling of the effective minority carrier lifetime of passivated crystalline silicon wafers J. Appl. Phys. 112, 054508 (2012) Dielectric elastomer actuators with elastomeric electrodes Appl. Phys. Lett. 101, 091907 (2012) Effect of Pt bottom electrode texture selection on the tetragonality and physical properties of Ba0.8Sr0.2TiO3 thin films produced by pulsed laser d...

Journal: :Behavioral neuroscience 2013
Paul W Frankland

The continued production of new dentate granule cells throughout life has led to the idea that neurogenesis critically modulates hippocampal memory function. Consistent with this view, many studies have shown that experimental reduction of adult neurogenesis impairs hippocampal memory formation. However, impairments are not universally observed following suppression of adult neurogenesis. A new...

Journal: :Romanian journal of morphology and embryology = Revue roumaine de morphologie et embryologie 2012
Mariana Deacu Doina Ecaterina Tofolean Mădălina Boşoteanu Mariana Aşchie I Bulbuc

Pulmonary alveolar lipoproteinosis, described for the first time in 1958 by Rosen SH, Castleman B and Liebow AA, is a rare pathological condition characterized by alveolar accumulation of lipoproteinaceous material. It is the result of macrophages impairment to rid the alveolar spaces of spent surfactant. This condition involves a restrictive function of pulmonary tissue, reflected in gas excha...

Journal: :Molecular endocrinology 2000
T Hasegawa L Zhao K M Caron G Majdic T Suzuki S Shizawa H Sasano K L Parker

Steroidogenic acute regulatory protein (StAR) is essential for adrenal and gonadal steroidogenesis, stimulating the translocation of cholesterol to the inner mitochondrial membrane where steroidogenesis commences. StAR mutations in humans cause congenital lipoid adrenal hyperplasia (lipoid CAH), an autosomal recessive condition with severe deficiencies of all classes of steroid hormones. We pre...

Journal: :Ukrainian Journal of Physical Optics 2021

We study the crystalline structure and absorption spectra for zinc oxide films with different levels of yttrium doping. The are deposited on glass substrates, using radio-frequency magnetron sputtering. estimate concentration free charge carriers show that 'blue' shift fundamental edge in ZnO:Y increasing doping level (up to 4.7 wt. %) is explained by Burstein-Moss effect. At higher concentrati...

Amorphous semiconductors are materials with a brilliant prospect for a wide range of optical applications like solar cells, optical sensors, optical devices, and memories. The purpose of the present research was to study the semiconducting optical properties of SiO2-Al2O3-CaF2 and SiO2-Al2O3-BaF2 oxyfluoride...

2014
Mathias Mews Christoph Mader Stephan Traut Tobias Sontheimer Odo Wunnicke Lars Korte Bernd Rech

Amorphous silicon thin films, fabricated by thermal conversion of neopentasilane, were used to passivate crystalline silicon surfaces. The conversion is investigated using X-ray and constant-final-state-yield photoelectron spectroscopy, and minority charge carrier lifetime spectroscopy. Liquid processed amorphous silicon exhibits high Urbach energies from 90 to 120 meV and 200 meV lower optical...

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