Hidalgo Alcalde, PedroMéndez Martín, María BianchiPiqueras De Noriega, Francisco Javier2023-06-202023-06-202007-04-180957-448410.1088/0957-4484/18/15/155203https://hdl.handle.net/20.500.14352/50943© 2007 IOP Publishing Ltd. This work has been supported by MEC (Project MAT2003-00455) and UCM-CM (Group 910146).High aspect ratio GeO_2 nano- and microwires have been grown by thermal treatment at 600 degrees C of compacted Ge powder under argon flow. The wires have cross-sectional dimensions from less than 100 nm to about 1 mu m, depending on the duration of the treatment, and lengths of up to about 2000 mu m. Waveguide behaviour of the wires was demonstrated for visible light, which shows the potential applications of these structures for optical nanodevices.engjournal articlehttp://iopscience.iop.org/0957-4484/18/15/155203http://iopscience.iop.orgopen access538.9Oxide NanowiresGrowthZnOLuminescenceNetworksNanorodsWiresFísica de materiales