Berlin 2015 – wissenschaftliches Programm

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MM: Fachverband Metall- und Materialphysik

MM 21: Hydrogen in metals IV: Special topics

MM 21.1: Topical Talk

Dienstag, 17. März 2015, 10:15–10:45, TC 006

Hydrogenography and Metalhydride Switchable Mirrors — •Ronald Griessen — VU university, Amsterdam, The Netherlands

The discovery [1] of dramatic optical changes in metallic films loaded with hydrogen opened the way to Hydrogenography [2]. The great advantage of this new high-throughput technique is to measure optically and simultaneously on thousands of (nano)structured samples, pressure-composition isotherms, enthalpies and entropies of hydride formation. Hydrogenography provides also unique possibilities to measure reaction kinetics and catalytic activities, long-range diffusion [3], the intrinsic hydrogen permeability of alloys [4], and to optimize switchable metal-hydrides for smart windows, optic hydrogen sensors [5] and nanoantennas for active plasmonics [6].

[1] J.N. Huiberts, et al., Nature 380 (1996) 231-234; [2] R. Gremaud, et al., Advanced Materials 19 (2007)2813; [3] A. Remhof, et al., Physical Review Letters 90 (2003) 145502; [4] S. de Man et al., J. Membrane Science 444(2013)70; [5] P. Ngene et al., Adv. Funct. Mater. 2014, 24, 2374; [6] N. Strohfeldt et al., Nano Lett. 14 (2014) 1140.