A member of PGI-9

Research field

Development of broadband THz admittance spectroscopy based on high-Tc Josephson junctions. Current research interests are related with technology and physics of high-Tc Josephson junctions as basic elements of terahertz oscillators, detectors, and spectrum analysers for future demanding applications in high-energy physics, public security, and life sciences.

Selected publications

[1] O. Y. Volkov, Y. Y. Divin, V. N. Gubankov, I. I. Gundareva, and V. V. Pavlovskiy, "Josephson admittance spectroscopy of log-periodic antenna at the submillimeter wavelength range," Journal of Communications Technology and Electronics, vol. 54, pp. 1310-1314, Nov 2009.

[2] O. Y. Volkov, Y. Y. Divin, V. N. Gubankov, I. I. Gundareva, and V. V. Pavlovskiy, "Characterization of Terahertz Planar Antenna by Josephson Admittance Spectroscopy," Ieee Transactions on Applied Superconductivity, vol. 21, pp. 306-310, Jun 2011.

[3] I. I. Gundareva, O. Y. Volkov, M. V. Lyatti, Y. Y. Divin, V. N. Gubankov, and V. V. Pavlovskiy, "Evolution of Electrical and Electrodynamic Properties of YBa2Cu3O7-x Bicrystal Josephson Junctions With Oxygen Loading," Ieee Transactions on Applied Superconductivity, vol. 21, pp. 147-150, Jun 2011.

[4] I. I. Gundareva, V. N. Gubankov, Y. Y. Divin, M. V. Lyatti, V. V. Pavlovskiy, and O. Y. Volkov, "Trimming of high-T-c bicrystal Josephson junctions by ozone and vacuum annealing," Superconductivity Centennial Conference 2011, vol. 36, pp. 217-222, 2012.

[5] I. Gundareva and Y. Divin, "Optimization of electrical and structural parameters of YBa2Cu3O7-x thin-film bicrystal Josephson junctions with chemical and thermal treatments of substrates," J Phys Conf Ser, vol. 507, p. 042014, 2014.

[6] Y. Divin, A. Snezhko, U. Poppe, I. Gundareva, and V. Pavlovskiy, "Screening of Liquids with Quasioptical High-T-c Josephson Detectors," Nanotechnology in the Security Systems, pp. 165-179, 2015.

[7] O. Y. Volkov, V. N. Gubankov, I. I. Gundareva, Y. Y. Divin, V. V. Pavlovskii, V. I. Pokalyakin, et al., "Josephson Spectroscopy for Local Diagnostics of Planar Resonator Systems in the Millimeter Wave Band," Journal of Communications Technology and Electronics, vol. 60, pp. 1006-1010, Sep 2015.

[8] I. Gundareva and Y. Divin, "YBa2Cu3O7-x Bicrystal Josephson Junctions With High-IcRn Products and Wide-Ranging Resistances for THz Applications," Ieee Transactions on Applied Superconductivity, vol. 26, p. 1100204, Apr 2016.

[9] I. Gundareva, V. Pavlovskii, and Y. Divin, "Intrinsic AC Shunting in [100]-Tilt Bicrystal YBa2Cu3O7-x Josephson Junctions," Ieee Transactions on Applied Superconductivity, vol. 27, p. 7200105, Jun 2017.

[10] A. V. Snezhko, I. I. Gundareva, M. V. Lyatti, O. Y. Volkov, V. V. Pavlovskiy, U. Poppe, et al., "Terahertz Josephson spectral analysis and its applications," Supercond. Sci. Technol., vol. 30, p. 044001, 2017.

Contact

Office: Room 59 Building 04.6

Phone: +49 2461 61-6642

Fax: +49 2461 61-6444

Email: i.gundareva@fz-juelich.de