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Berlin 2012 – scientific programme

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SYRS: Symposium Resistive Switching

SYRS 2: Poster: Resistive switching (jointly organized by DS, DF, KR, HL)

SYRS 2.18: Poster

Thursday, March 29, 2012, 17:30–19:00, Poster E

In-plane thermal conductivity measurements of ZnO-, ZnS-, and YSZ thin-films on glass substrates — •David Hartung, Florian Gather, Achim Kronenberger, Florian Kuhl, Bruno K. Meyer, and Peter J. Klar — I. Physikalisches Institut, Justus-Liebig-University, Heinrich-Buff-Ring 16, 35392 Giessen

In this work we present in-plane thermal conductivity measurements of ZnO-, ZnS-, and YSZ thin-films. Borosilicate glass with a thickness of 50 microns and low thermal conductivity for improving the signal to noise ratio was used as substrate material. The above different films are deposited by rf-sputtering and have a thickness of about 1 micron. Our approach is a steady-state measurement. A wide metal wire on the film is used as a heater and two parallel lying narrow wires at distances of 100 microns and 200 microns from the heater wire, respectively, serve as the temperature sensors. The wire structure design is transfered on to the thin films by photolithography and metal evaporation. Measurements of the in-plane thermal conductivities of the above mentioned materials are presented and compared with corresponding results in the literature.

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