MING-YAU CHERN2018-09-102018-09-10199500218979http://www.scopus.com/inward/record.url?eid=2-s2.0-0343075851&partnerID=MN8TOARShttp://scholars.lib.ntu.edu.tw/handle/123456789/314468Fabrication and characterization of YBa2Cu3O y Josephson junctions with step-edge, bi-epitaxial, and sandwich geometries are performed in this study to investigate the effects of microwave irradiation on the I-V characteristics. I-V curves under microwave irradiation reveal Shapiro steps. The width of the constant voltage steps were modulated by the microwave power. The period of the magnetic induction ΔB detected from the V-φ curves for superconducting quantum interference devices is temperature dependent. Additionally, Tc and Ic of the proximity sandwich junctions are enhanced by the microwave irradiation. © 1995 American Institute of Physics.journal article10.1063/1.3602222-s2.0-0343075851WOS:A1995RK57600074