Recent Advances in X-Ray Microscopy and Photoelectron Microscopy.
نویسندگان
چکیده
منابع مشابه
Photoelectron X-ray Microscopy
The soft-X ray range, between 1-10 nm wavelength, is highly interesting for X-ray microscopy. Taking advantage of it requires, however, to operate a high resolution instrument at a variable wavelength. We describe here an image converter X-ray microscope which is based on secondary pharoemission. This instrument is now developped at the Institut dlOptique (Orsay); it will be installed near ACO ...
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Recent advances in single-photon-counting detectors are enabling the development of novel approaches to reach micrometer-scale resolution in x-ray imaging. One example of such a technology are the MEDIPIX3RX-based detectors, such as the LAMBDA which can be operated with a small pixel size in combination with real-time on-chip charge-sharing correction. This characteristic results in a close to ...
متن کاملX-Ray Microscopy
Injuries were made in rabbit corneas 4-48 hours before tritium-labelled thymidine were injected. Only the injured cells picked up the thymidine. Injured lens cells of rats, rabbits and frogs incorporated thymidine within 14-16 hours with increasing numbers up to 32 hours. Cysteine which stops mitosis for four days, was definitely found to protect lens cells from radiation damage, particularly w...
متن کاملRecent developments in X-ray projection microscopy and X-ray microtomography applied to materials science
After a long period of sleeping, there is recently a spectacular revival of X-ray microscopy due to the progress in X-ray sources (synchrotron radiation), X-ray optics, and X-ray detectors. However most of the attempts in this field concern the use of soft X-rays to observe, with an improved resolution, biological specimens in their wet environment. In opposition to these trends, we try to demo...
متن کاملMagnetic dichroisms in absorption and photoemission for magnetic characterization in x-ray photoelectron emission microscopy
Magnetic contrast for the operation of a photoelectron emission microscope ~PEEM! with synchrotron radiation is provided by magnetic dichroisms. Besides the most frequently employed magnetic dichroism, magnetic circular dichroism in x-ray absorption spectroscopy, energy filtering of photoemitted electrons allows one to also use magnetic dichroisms in photoelectron emission as complementary cont...
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ژورنال
عنوان ژورنال: Hyomen Kagaku
سال: 1992
ISSN: 0388-5321,1881-4743
DOI: 10.1380/jsssj.13.41