P. Kolar, M. S. Grbić, S. Hrabar, Sensors 19, 03064 (2019)
M. S. Grbić, JAP 125, 224501 (2019)
T. Cvitanić, M. Lukas, M. S. Grbić, Rev. Sci. Instrum. 90, 043903 (2019)
D. Pelc, P. Popčević, M. Požek, M. Greven, and N. Barišić, Sci. Adv. 5, eaau4538 (2019)
D. Pelc, H.-J. Grafe, G. D. Gu, and M. Požek, Phys. Rev. B 95, 054508 (2017).
R. Blinder et al. Phys. Rev. B 95, 020404(R) (2017).
D. Pelc, M. Vučković, H.-J. Grafe, S.-H. Baek, M. Požek, Nature Communications 7, 12775 (2016).
D. Pelc, M. Požek, V. Despoja and D. K. Sunko, New J. Phys. 17, 083033 (2015).
M. Došlić, D. Pelc and M. Požek, Rev. Sci. Instrum 85, 073905 (2014).
T. Cvitanić, D. Pelc, M. Požek, E. Amit, and A. Keren, Phys. Rev. B 90, 054508 (2014).
Master student Marija Došlić, in cooperation with asistent D. Pelc and her supervizor M. Požek, published a paper in Review of Scientific Instruments titled „Contactless measurement of nonlinear conductivity in the radio-frequency range“ [1].
A new contactless nonlinear conductivity measurement system has been developed. It operates in a radiofrequency range, and can be used in a broad span of temperatures and at various magnetic fields. It uses a non-resonant circuit to generate the stimulus at a certain frequency, while a resonant one to detect the signal at three or five times higher frequency.
An additional, high power option has also been developed which enables measurements up to 150 W using short pulses.
The system has been tested by measuring samples of cuprate and pnictide superconductors for studying nonlinear dynamics in a vortex state. The work has been awarded at a recent University of Zagreb Rector's award competition. Some additional measurements have also been made within the scope of Mrs Došlić Master Thesis.
[1] M. Došlić, D. Pelc, and M. Požek, Review of Scientific Instruments 85, 073905 (2014).
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