Microwave harmonic emission in MgB2 superconductor: Comparison with YBA2CU3O7

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Microwave harmonic emission in MgB2 superconductor: Comparison with YBA2CU3O7

P. Manfrinetti M. Li Vigni E. Di Gennaro A. Agliolo Gallitto G. Bonsignore Giovanni Giunchi

subject

FREQUENCIES Superconductivity Materials science Condensed matter physics Settore FIS/01 - Fisica Sperimentale Condensed Matter Physics Magnetostatics Signal Atomic and Molecular Physics and Optics Electronic Optical and Magnetic Materials THIN-FILMS magnesium diboride visual_art Harmonic visual_art.visual_art_medium SINGLE-CRYSTALS Ceramic Electrical and Electronic Engineering TC Microwave microwave harmonic generation

description

We report results of microwave second-harmonic generation in ceramic samples of MgB2, prepared by different methods. The SH signal has been investigated as a function of the temperature and the static magnetic field. The results are discussed in the framework of models reported in the literature. We show that the peculiarities of the SH signal are related to the specific properties of the sample. A comparison with the results obtained in ceramic and crystalline YBa2Cu3O7 shows that the second-harmonic emission in MgB2 is weaker than that observed in ceramic YBa2CuO7. (c) 2006 Wiley Periodicals, Inc.

year	journal	country	edition	language
2006-01-01

10.1002/mop.22001 http://hdl.handle.net/11588/565368

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