نتایج جستجو برای: electron beam deposition

تعداد نتایج: 482258  

Journal: :journal of advanced materials and processing 0
mohamad javad eshraghi materials and energy research center nima naderi materials and energy research center

the effect of evaporation rate on structural, morphological and optical properties of electron beam evaporated cds thin films have been investigated. cds thin film deposited by electron beam evaporation method in 12nm/min and 60nm/min evaporation rates on glass substrates. x-ray diffraction, scanning electron microscopy, uv-vis-nir spectroscopy and atomic force microscopy were used to character...

The effect of evaporation rate on structural, morphological and optical properties of electron beam evaporated CdS thin films have been investigated. CdS thin film deposited by electron beam evaporation method in 12nm/min and 60nm/min evaporation rates on glass substrates. X-ray diffraction, scanning electron microscopy, UV-Vis-NIR spectroscopy and Atomic Force Microscopy were used to character...

حافظی, فاطمه, زواریان, علی اصغر, سلحشور, مصطفی,

In this paper, the vacuum film deposition through electron beam evaporation has been reviewed and the effect of magnetic field on the operation of this system has been explained. Then, the magnetic field distribution due to magnetic components configuartion of a commercial evaporation source with 270-degree electron beam gun (manufactured by Sharif University Branch of ACECR), has been simulate...

Journal: :journal of biomedical physics and engineering 0
m khadem abolfazli babol medical university s r mahdavi iran medical university m mahdavi mazandaran universityسازمان اصلی تایید شده: دانشگاه علوم پزشکی بابل (babol university of medical sciences) gh ataei babol medical universityسازمان اصلی تایید شده: دانشگاه علوم پزشکی ایران (iran university of medical sciences)

background: gold nanoparticles are emerging as promising agents for cancer therapy and are being investigated as drug carriers, photothermal agents, contrast agents and radiosensitisers. objective: the aim of this study is to understand characteristics of secondary electrons generated from interaction of gold nanoparticles gnps with x-rays as a function of nanoparticle size and beam energy and ...

2009
Stephen Liu

109 2:50 PM Maintaining Consistent Conditions over a Wide Range of Material Deposition Rates in Beam-Based Additive Manufacturing: Jack Beuth1; Shane Esola1; Raymond Walker2; 1Carnegie Mellon University; 2Keystone Synergistic Enterprises Signifi cant advances have been made in the development of laser and electron beam-based freeform fabrication processes using powder injection, powder bed or w...

Journal: :Journal of Vacuum Science & Technology B, Nanotechnology and Microelectronics: Materials, Processing, Measurement, and Phenomena 2011

2009
C. Udalagama A. A. Bettiol

With the rapid advances being made in novel high-energy ion-beam techniques such as proton beam writing, single-ion-event effects, ion-beam-radiation therapy, ion-induced fluorescence imaging, proton/ion microscopy, and ion-induced electron imaging, it is becoming increasingly important to understand the spatial energydeposition profiles of energetic ions as they penetrate matter. In this work ...

2012
Michael Huth Fabrizio Porrati Christian Schwalb Marcel Winhold Roland Sachser Maja Dukic Jonathan Adams Georg Fantner

BACKGROUND Focused electron beam induced deposition (FEBID) is a direct-writing technique with nanometer resolution, which has received strongly increasing attention within the last decade. In FEBID a precursor previously adsorbed on a substrate surface is dissociated in the focus of an electron beam. After 20 years of continuous development FEBID has reached a stage at which this technique is ...

Gh Ataei, M Khadem Abolfazli M Mahdavi S R Mahdavi,

Background: Gold nanoparticles are emerging as promising agents for cancer therapy and are being investigated as drug carriers, photothermal agents, contrast agents and radiosensitisers.Objective: The aim of this study is to understand characteristics of secondary electrons generated from interaction of gold nanoparticles GNPs with x-rays as a function of nanoparticle size and beam energy and ...

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