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Microwave harmonic emission in MgB2 superconductor: Comparison with YBA2CU3O7

✍ Scribed by A. Agliolo Gallitto; G. Bonsignore; E. Di Gennaro; G. Giunchi; M. Li Vigni; P. Manfrinetti

Publisher
John Wiley and Sons
Year
2006
Tongue
English
Weight
228 KB
Volume
48
Category
Article
ISSN
0895-2477

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✦ Synopsis

We report results of microwave second-harmonic generation in ceramic samples of MgB 2 , 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 YBa 2 Cu 3 O 7 shows that the second-harmonic emission in MgB 2 is weaker than that observed in ceramic YBa 2 Cu 3 O 7 .

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