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 YBa2Cu3O7.
AGLIOLO GALLITTO A, BONSIGNORE G, DI GENNARO E, GIUNCHI G, LI VIGNI M, MANFRINETTI P (2006). Microwave Harmonic Emission in MgB2 Superconductor: Comparison with YBa2Cu3O7. MICROWAVE AND OPTICAL TECHNOLOGY LETTERS, 48(12), 2482-2486 [10.1002/mop.22001].
Microwave Harmonic Emission in MgB2 Superconductor: Comparison with YBa2Cu3O7
AGLIOLO GALLITTO, Aurelio;BONSIGNORE, Gaetano;DI GENNARO, Emiliano;LI VIGNI, Maria;
2006-01-01
Abstract
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 YBa2Cu3O7.
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