Implication of the double-gating mode in a hybrid photon counting detector for measurements of transient heat conduction in GaAs/AlAs superlattice structures.

IF 6.1 3区 材料科学 Q1 Biochemistry, Genetics and Molecular Biology
Denys Naumenko, Max Burian, Benedetta Marmiroli, Richard Haider, Andrea Radeticchio, Lucas Wagner, Luca Piazza, Lisa Glatt, Stefan Brandstetter, Simone Dal Zilio, Giorgio Biasiol, Heinz Amenitsch
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引用次数: 0

Abstract

Use of the double-gating mode implemented on the modern hybrid photon counting system EIGER2 helps to suppress the influence of beam fluctuations in pump–probe experiments at synchrotron radiation facilities and provides better data quality.

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混合光子计数检测器中双门控模式对GaAs/AlAs超晶格结构瞬态热传导测量的意义。
在纳米尺度上理解和控制固体中的热输运在工程上是至关重要的,并且可以提高新一代光电、热电和光子器件的性能。在这方面,半导体超晶格结构提供了一个独特的平台来研究与固体中声子传播相关的现象,如热传导。瞬态x射线衍射可以直接探测原子运动,因此是对凝聚态物质中的声子动力学敏感的罕见技术之一。本文利用EIGER2探测器研究了GaAs/AlAs超晶格结构中的光诱导瞬态热传导。在eletra - sincrotrone Trieste的奥地利SAXS光束线上进行了基准实验,该光束线以混合填充模式运行。这项工作表明,当使用EIGER2双门控模式时,实验条件的漂移(如同步加速器束流波动)变得不那么重要,从而更快地获取高质量数据,并促进数据分析和数据解释。
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来源期刊
CiteScore
10.00
自引率
3.30%
发文量
178
审稿时长
4.7 months
期刊介绍: Many research topics in condensed matter research, materials science and the life sciences make use of crystallographic methods to study crystalline and non-crystalline matter with neutrons, X-rays and electrons. Articles published in the Journal of Applied Crystallography focus on these methods and their use in identifying structural and diffusion-controlled phase transformations, structure-property relationships, structural changes of defects, interfaces and surfaces, etc. Developments of instrumentation and crystallographic apparatus, theory and interpretation, numerical analysis and other related subjects are also covered. The journal is the primary place where crystallographic computer program information is published.
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