Titlebook: Electron Energy Loss Spectrometers; The Technology of Hi Harald Ibach Textbook 1991 Springer-Verlag Berlin Heidelberg 1991 Electron energy

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Lens Systems,This chapter outlines the basic concepts of the theory of electron-surface scattering insofar as they are relevant to lens design. Cylindrical deflectors focus only in the radial plane. Nonrotational symmetric lenses compensate this disadvantage. Three different lens systems are studied and their design is described in detail.

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Electron Energy Loss Spectrometers978-3-540-47157-8Series ISSN 0342-4111 Series E-ISSN 1556-1534

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Apsana Kafle,Sakar Jha,Falk Huettmanntions readily available, analytical calculations, in particular the use of cumbersome perturbation theories, are being increasingly replaced by numerical studies. This chapter outlines the basic concepts and numerical methods employed in this volume.

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https://doi.org/10.1057/9780230616226ect of the “space charge” on the electron optical properties of cylindrical deflectors is presented. First-order compensation of the space charge effect is obtained by enlarging the deflection angle and by applying an additional negative bias to the top and bottom shields terminating the cylindrical

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