Yazar "Yıldırım, Mustafa" için Makale Koleksiyonu listeleme
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Effect of bias voltage on tunneling mechanism in Co40Fe40B20/MgO/Co40Fe40B20 pseudo-spin valve
Yıldırım, Mustafa; Öksüzoğlu, Ramis Mustafa (Elsevier Science BV, 2015)Bias voltage dependence of tunneling mechanism has been systematically investigated in Co40Fe40B20 (2.1 nm)/MgO (2 nm)/Co40Fe40B20 (1.7 nm) pseudo-spin valve magnetic tunnel junction deposited using the combination of the ... -
Effect of Ta buffer and NiFe seed layers on pulsed-DC magnetron sputtered Ir20Mn80/Co90Fe10 exchange bias
A systematic investigation has been done on the correlation between texture, grain size evolution and magnetic properties in Ta/Ni 81Fe19/Ir20Mn80/Co 90Fe10/Ta exchange bias in dependence of Ta buffer and NiFe seed layer ... -
Excited state dynamics of nanocrystalline VO2 with white light continuum time resolved spectroscopy
Kurum, Ulaş; Yağlıoğlu, H. Gül; Küçüköz, Betül; Öksüzoğlu, Ramis Mustafa; Yıldırım, Mustafa; Yagci, A. Murat; Elmali, Ayhan (Elsevier Science BV, 2014)In an attempt to use ultrafast pump probe spectroscopy technique with white light continuum to reveal wavelength dependent dynamics of VO2, bandgap needs to be opened. Therefore, nanostructured amorphous and crystalline ... -
Modifying ultrafast optical response of sputtered VOX nanostructures in a broad spectral range by altering post annealing atmosphere
Kurum, Ulaş; Yağlıoğlu, H. Gül; Küçüköz, Betül; Öksüzoğlu, Ramis Mustafa; Yıldırım, Mustafa; Yagci, A. M.; Elmali, Ayhan (IOP Publishing LTD, 2015)Nanostructured VOX thin films were grown in a dc magnetron sputter system under two different Ar:O-2 gas flow ratios. The films were annealed under vacuum and various ratios of O-2/N-2 atmospheres. The insulator-to-metal ...