We address the electronic, phononic, and thermal properties of oxide based superlattices and multi quantum well heterostructures. In the first part, we review the present understanding of phonon coupling and phonon propagation in superlattices and elucidate current research aspects of phonon coherence in these structure. Subsequently, we focus on the experimental study of MBE grown ZnO/ZnMgO multi quantum well heterostructures with varying Mg content, barrier thickness, quantum well thickness, and number of periods. In particular, we discuss how the controlled variation of these parameters affect the phonon dispersion relation and phonon propagation and their impact on the thermal properties.
Markus R. Wagner, Juan Sebastian Reparaz, Gordon Callsen, Felix Nippert, Thomas Kure, Axel Hoffmann, Maxime Hugues, Monique Teysseire, Benjamin Damilano, and Jean-Michel Chauveau, "Phononic properties of superlattices and multi quantum well heterostructures (Conference Presentation)," Proc. SPIE 10105, Oxide-based Materials and Devices VIII, 101050P (Presented at SPIE OPTO: January 31, 2017; Published: 1 May 2017); https://doi.org/10.1117/12.2253653.5393342241001.
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