Semiconductor Physics, Quantum Electronics & Optoelectronics, 20 (1), P. 069-073 (2017).

Evidence for resonant bonding in phase-change materials studied by IR spectroscopy
K. Shportko1, H. Volker2 and M. Wuttig2

1V. Lashkaryov Institute for Semiconductor Physics, NAS of Ukraine, 41, prospect Nauky, 03680 Kyiv, Ukraine, e-mail:
2I. Institute of Physics (IA), RWTH University of Technology Aachen, Sommerfeld str. 14, Aachen 52056, Germany

Abstract. Phase-change materials (PCM) attract attention due to their unique properties. This remarkable portfolio also makes them promising for applications in novel data storage devices. In this study, we discuss differences in the optical properties of PCM and non-PCM in the IR caused by presence or absence of resonant bonding.

Keywords: phase-change materials, resonant bonding, optical properties.

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