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DTIC ADA218417: Time-Resolved Surface Structural Study by Picosecon... |
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by Defense Technical Information Center |
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The objective of this program was to develop an |
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instrument for characterization of nanosecond and |
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picosecond time evolution of surface properties. This |
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instrument was developed based on the technique of |
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picosecond time-resolved reflection high-energy electron |
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diffraction (RHEED). The basic idea of this technique is |
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the utilization of 150 ps laser pulses to generate |
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electron pulses by the photoelectric effect. The |
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photogenerated electrons are accelerated, focused, and |
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collimated using electron optics. Only a very small |
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fraction of the laser pulse energy is needed to generate |
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the fast (10-30 kV) well-collimated electron pulses; |
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thus, most of the laser energy is available for sample |
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irradiation. (eg) |
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Date Published: 2018-02-25 01:47:02 |
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Identifier: DTIC_ADA218417 |
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Item Size: 28617214 |
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Language: english |
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Media Type: texts |
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# Topics |
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DTIC Archive; Elsayed, Hani E ; ROCHE... |
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@chris85 |
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