Towards fast reciprocal space mapping
2005
A commercially available solid-state multiple strip detector was successfully used to perform reciprocal space mapping and to significantly reduce the data collection time as compared to conventional set-ups. The quality of the data benefits from the detector’s unique properties such as a high local linearity range and high dynamic range. This paper describes maps of symmetrical and asymmetrical reflections taken on different kinds of samples. A quasi-perfect AlGaAs/GaAs MQW structure was used to evaluate details about the instrumental function. The main application of the proposed set-up is for less perfect materials similar to GaN based structures. A study of the thermal stability of a MOCVD grown InGaN/GaN MQW by means of insitu temperature dependent reciprocal space mapping demonstrates the possibilities of the new
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