Magnetic sector deflector aberration properties for low energy electron microscopy

... modular imaging system for photoelectron and electron probe microscopy with 20 aberration correction, and for mirror microscopy and low- energy electron microscopy , Ultramicroscopy 36 (1991) 252 ... The First Magnetic Sector Deflector Unit 108 4.3.2 The Second Magnetic Sector Deflector Unit 110 4.3.3 A Miniature Magnetic Immersion Lens for an Improved Magne...

Ngày tải lên: 15/09/2015, 17:09

... 1.1 Low energy electron microscopy and mixed field objective lens 1.2 Direct Ray Tracing 1.3 Low voltage scanning electron microscopy 1.4 Time of flight electron emission ... spectrum formation in mixed field immersion lenses for low energy electron microscopy system 1.4 Time of flight electron emission microscope and drift tube design All forms of electron...

Ngày tải lên: 04/10/2015, 16:03

... photons and electrons in a variety of treatment modalities including intensity modulated radiotherapy (IMRT) and dynamic arc therapy The package includes, for both photons and electrons, commissioning ... regardless of the composition of commissioning sets, mean values of the seven confidence limits are typically less than %/mm over most of the range of depths and SSDs we ex...

Ngày tải lên: 03/11/2012, 10:05

... method of low-energy electron irradiation has been developed in our laboratory for surface energy modification of solid-state materials of different origins [13, 20] The key principle of the method ... level of electron incident charge and the other is formation of ultrathin organic film, which was observed for high -electron doses [21] In this paper, we apply the method o...

Ngày tải lên: 22/06/2014, 00:20

... FS-IGBT and the new IGBT for MERS are shown in Fig Low saturation voltage (1.54 V) at rated current was achieved, where the conventional IGBT with same rating has 2.10 V saturation voltage The FWD voltage ... IGBT for a magnetic energy recovery switch application,” IEEJ Transaction on Electronics, Information and Systems, vol 128, no 4, 2008 Y Onozawa, M Otsuki...

Ngày tải lên: 15/10/2013, 16:10

... in ref [11] After that, we measure the initial susceptibility, saturation magnetization and viscosity of the low concentrations e-Fe 3N magnetic fluid samples Compared with the experimental initial ... 2.0 nm from TEM Substituting Fm, magnetic diameter (dm) and Md into Eq (3) we get the Langevin initial susceptibility The Langevin initial susceptibility of the sam...

Ngày tải lên: 22/06/2014, 22:20

... Investigation of 2DEG at the interfaces of various combinations of polar and non -polar oxides 103 5.1 Introduction 105 5.2 Fabrication of polar and non -polar oxide interfaces ... along different crystallographic orientations and in various combinations of polar/ non -polar oxide interfaces, providing us further understanding of the nature of carr...

Ngày tải lên: 10/09/2015, 09:11

... voltage High depth resolution profiling for Magnetic- Sector SIMS ix Summary Secondary Ion Mass Spectrometry (SIMS) depth profiling is an important technique for the characterization of thin and ... Introduction 1.1 The need for high resolution Secondary Ion Mass Spectrometry( SIMS) 1.2 Practical issues and solutions to accurate SIMS depth profili...

Ngày tải lên: 16/09/2015, 15:23

... different types of solar and thermal energy harvesting systems The main focus of this report is to develop energy efficient solar and thermal energy harvesters for low power wireless sensor applications ... converter (ADC) and voltage as well as current sensors Hence, the overall efficiency of the scavenging system for low power application is comparative...

Ngày tải lên: 13/10/2015, 15:55

... Source: IEA Key World Energy Statistics 2014 © OECD/IEA 2014 Energy consumption in transport Global transport energy consumption by mode Road transport accounts for ¾ of transport energy use Source: ... introductions, transport is still highly dependent on oil Source: IEA Key World Energy Statistics 2014 © OECD/IEA 2014 Transport energy outlook to 2050 Transport e...

Ngày tải lên: 27/11/2015, 12:39

... glorious, destination, spacious, left-over, Botanical Garden Skills: Listening for main ideas and listening for specific information * Methods: Integrated, mainly communicative approach * Teaching ... peaceful and quiet in the garden They took pictures, played games, talked together, sang and danced IV Post -listening (10) - Gives instructions and ask Ss to discuss to plan...

Ngày tải lên: 01/07/2013, 01:26

... Establishment of policy framework for building energy standards The practice of building energy standard for energy saving and sustainable energy efficient design in building is a complex system, involving ... Methodology for Optimising the Energy Performance of Buildings in Bahrain Energy and Building. 2008, 40, 1297-1303 [50] Energy Efficiency...

Ngày tải lên: 05/09/2013, 14:58

... Bolinger for US DOE [11] (check) n.a n.a n.a Partial data; 0.68c€/kWh for the most recent n.a projects; 1.7 c€/kWh for older projects Models of projects economic evaluation 3.1 Economic basics of projects ... of the wind farms are for at least 20 years 4.2 Peculiarities in the cost analysis of wind energy projects The adoption of standardized methodology for calcu...

Ngày tải lên: 05/09/2013, 16:30

... / 108 Chapter Topological properties for sets and functions Illustration tvnguyen (University of Science) Convex Optimization 43 / 108 Chapter Topological properties for sets and functions Asymptotic ... Chapter Topological properties for sets and functions Continuity and locally Lipschitz continuity Definition Let f : IRn → IR ∪ {+∞} and x ∈ ri dom f Th...

Ngày tải lên: 23/10/2013, 15:20

... Debt Sustainability and Debt Indicators Debt Sustainability Framework Debt Distress Performance Based Allocation System 10 Allocation of Grants 14 Financing of Grants 15 Concerns and Issues 16 ... Issues 16 Debt Sustainability Framework 16 The PBA System 17 Other Issues 18 Conclusions and Recommendations 18 CPIA 20 Debt Thresholds and Indicators 21 Anne...

Ngày tải lên: 28/10/2013, 08:15