Observation of shapiro-steps in AFM-plough micron-size YBCO planar constrictions

IEEE Transactions on Applied Superconductivity

Volumn 19, Issue 3, 2009, Pages 187-190

  Srinivasu, Vallabhapurapu V ^a   Perold, Willem Jacobus ^b  

^a DSI CSIR Nanotechnology Innovation Centre   (South Africa)

^b STELLENBOSCH UNIVERSITY   (South Africa)

Author keywords

AFM lithography; Josephson junction; Stripline; YBCO

Indexed keywords

10 MICRON; AFM; AFM LITHOGRAPHY; ATOMIC FORCE MICROSCOPES; INVERTED CYLINDRICAL MAGNETRON; JOSEPHSON EFFECT; JOSEPHSON JUNCTION; MGO SUBSTRATE; MICRON SIZE; SPUTTERING TECHNIQUES; STRIPLINE; YBCO;

ATOMIC FORCE MICROSCOPY; ELECTRIC POTENTIAL; JOSEPHSON JUNCTION DEVICES; MAGNETRONS; PLASMA ETCHING; QUANTUM OPTICS; STRIP TELECOMMUNICATION LINES; THIN FILMS; YTTRIUM BARIUM COPPER OXIDES;

CURRENT VOLTAGE CHARACTERISTICS;

EID: 68649128327     PISSN: 10518223     EISSN: None     Source Type: Journal    
DOI: 10.1109/TASC.2009.2018542     Document Type: Conference Paper

References (18)

1. G. Y. Sung, J. D. Suh, and K. Y. Kang, "Characteristics of bi-crystal grain boundary junctions with different tilt angles for digital circuit applications," IEEE Trans. Appl. Superconduct., vol. 9, pp. 3921-3924, 1999.
2. W. F. van Staden, U. Buttner, V. V. Srinivasu, and W. J. Perold, "A novel buffered high- T,. superconducting step-edge Josephson junction," Superconduct Sci. Technol., vol. 20, pp. S419-S425, 2007.
3. D. Mijatovic, A. Brinkman, I. Oomen, G. Rijnders, H. Hilgenkamp, H. Rogalla, and D. H. A. Blank, "Magnesium-diboride ramp-type Josephson junctions," Appl. Phys. Lett., vol. 80, pp. 2141-2143, 2002.
4. Y. A. Boikov, Z. G. Ivanov, A. L. Vasiliev, and T. Claeson, "Biepitaxial Josephson junctions with high critical current density based on YBCO films on silicon on sapphire," J. Appl. Phys., vol. 77, pp. 1654-1657, 1995.
5. N. Khare, Handbook of High-Temperature Superconductor Electronics.⋯San Matteo, CA: Marcel Dekker, Inc., 2003.
6. 2 bilayers," Appl. Phys. Lett., vol. 88, p. 222511, 2006.
7. J. E. Zimmerman and A. H. Silver, "Macroscopic quantum interference effects through superconducting point contacts," Phys. Rev., vol. 141, pp. 367-375, 1966.
8. 2 this film bridges by AFM nanolithography," Physica C, vol. 435, pp. 82-86, 2006.
9. B. Hauser, B. B. G. Klopman, G. J. Gerritsma, J. Gao, and H. Rogalla, "Response of YBCO thin-film microbridges to microwave irradiation," Appl Phys. Lett, vol. 54, pp. 1368-1370, 1989.
10. M. J. de Nivelle, G. J. Gerritsma, and H. Rogalla, "Coherent vortex motion in YBCO nanobridges prepared by a substrate-etching technique," Physica C, vol. 233, pp. 185-194, 1994.
11. S. Lee, S. Oh, C. S. Kang, and S. Kim, "Superconducting nanobridge made from YBCO film by using focused ion beam," Physica C, vol. 460, pp. 1468-1469, 2007.
12. J. R. Wendt, J. S. Martens, C. I. H. Ashby, T. A. Plut, V. M. Hietala, C. P. Tigges, and D. S. Ginley, "YBCO nanobridges fabricated by direct-write electron beam lithography," Appl. Phys. Lett., vol. 61, pp. 1597-1599, 1992.
13. B. Irmer, R. H. Blick, F. Simmel, W. Godel, H. Lorenz, and J. P. Kotthaus, "Josephson junctions defined by a nanoplough," Appl. Phys. Lett., vol. 73, pp. 2051-2053, 1998.
14. A. A. O. Elkaseh, U. Buttner, M. Mencken, G. L. Hardie, V. V. Srinivasu, and W. J. Perold, "Nanoplough-constrictions on thin YBCO films made with atomic force microscopy," J. Nanosci. Nanotechnol., vol. 7, pp. 1-2, 2007.
15. I. U. Buttner, G. L. Hardie, R. Rossouw, V. V. Srinivasu, and W. J. Perold, "Fabrication of submicron YBCO Josephson junctions by a sample mosaic navigation assisted laser etching process," Superconduct. Sci. Technol, vol. 20, pp. S426-S429, 2007.
16. Conductus, Mr.SQUID User's Guide Conductus Inc..⋯Sunnyvale, CA 2 ed., 1992.
17. A. Barone and G. Paterno, Physics and Applications of the Josephson Effect. New York, USA: John Wiley & Sons, 1982.
18. K. K. Likharev, "Superconducting weak links," Rev. Mod. Phys., vol. 51, pp. 101-159, 1979.