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• Superconducting tantalum nitride-based normal metal-insulator-superconductor tunnel junctions 

  Chaudhuri, Saumyadip; Maasilta, Ilari (American Institute of Physics, 2014)

  We report the development of superconducting tantalum nitride (TaN x ) normal metal-insulator-superconductor (NIS) tunnel junctions. For the insulating barrier, we used both AlO x and TaO x (Cu-AlO x -Al-TaN x and ...

• Impact of non-idealities on the conductance characteristics of superconductor-insulator-normal metal-insulator-superconductor tunnel junctions 

  Chaudhuri, Saumyadip; Maasilta, Ilari (Institute of Physics, 2012)

  We have investigated the effect of asymmetry in tunnelling resistance of individual normal metal-insulator-superconductor (NIS) tunnel junctions that constitute a SINIS pair, both experimentally and theoretically. Ours ...

• Charge transport through spin-polarized tunnel junction between two spin-split superconductors 

  Rouco, Mikel; Chakraborty, Subrata; Aikebaier, Faluke; Golovach, Vitaly N.; Strambini, Elia; Moodera, Jagadeesh S.; Giazotto, Francesco; Heikkilä, Tero T.; Bergeret, F. Sebastian (American Physical Society, 2019)

  We investigate transport properties of junctions between two spin-split superconductors linked by a spin-polarized tunneling barrier. The spin-splitting fields in the superconductors (S) are induced by adjacent ferromagnetic ...

• Mechanical and optical properties of as-grown and thermally annealed titanium dioxide from titanium tetrachloride and water by atomic layer deposition 

  Ylivaara, Oili M.E.; Langner, Andreas; Liu, Xuwen; Schneider, Dieter; Julin, Jaakko; Arstila, Kai; Sintonen, Sakari; Ali, Saima; Lipsanen, Harri; Sajavaara, Timo; Hannula, Simo-Pekka; Puurunen, Riikka L. (Elsevier, 2021)

  The use of thin-films made by atomic layer deposition (ALD) is rapidly growing in the field of optical sensing. ALD TiO2 has been widely characterized for its physical and optical properties, but systematic information ...

• High-quality superconducting titanium nitride thin film growth using infra-red pulsed laser deposition 

  Torgovkin, Andrii; Chaudhuri, Saumyadip; Ruhtinas, Aki; Lahtinen, Manu; Sajavaara, Timo; Maasilta, Ilari (IOP Publishing, 2018)

  Superconducting titanium nitride (TiN) thin films were deposited on magnesium oxide, sapphire and silicon nitride substrates at 700 °C, using a pulsed laser deposition (PLD) technique, where infrared (1064 nm) pulses from ...