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We studied the growth behavior, structural, electronic, and magnetic properties of cobalt nitride (Co-N) thin films deposited using direct current (dc) and high power impulse magnetron sputtering (HiPIMS) processes. The N$_2$ partial gas…

Materials Science · Physics 2020-05-26 Seema , Akhil Tayal , S. M. Amir , Sabine Pütter , S. Mattauch , Mukul Gupta

We report a systematic comparison of niobium nitride thin films deposited on oxidized silicon substrates by reactive DC magnetron sputtering and reactive high-power impulse magnetron sputtering (HiPIMS). After determining the nitrogen gas…

Superconductivity · Physics 2024-11-22 Hudson T. Horne , Collin M. Hugo , Brandon C. Reid , Daniel F. Santavicca

We study the microstructure and magnetic properties of Ni80Fe20 thin films grown by high power impulse magnetron sputtering (HiPIMS), and compare with films grown by dc magnetron sputtering (dcMS). The films were grown under a tilt angle of…

Materials Science · Physics 2019-03-11 Movaffaq Kateb , Hamidreza Hajihoseini , Jon Tomas Gudmundsson , Snorri Ingvarsson

In this work, we studied amorphous carbon ($a$-C) thin films deposited using direct current (dc) and high power impulse magnetron sputtering (HiPIMS) techniques. The microstructure and electronic properties reveal subtle differences in…

Materials Science · Physics 2018-01-08 Prabhat Kumar , Mukul Gupta , U. P. Deshpande , D. M. Phase , V. Ganesan , Jochen Stahn

The demand for efficient data processing motivates a shift toward in-memory computing architectures. Ferroelectric materials, particularly AlScN, show great promise for next-generation memory devices. However, their widespread application…

Transition metal nitrides have received significant interest for use within plasmonic and optoelectronic devices. However, deposition temperature remains a significant barrier to the integration of transition metal nitrides as plasmonic…

We studied the structural and magnetic properties of \FeC~thin films deposited by co-sputtering of Fe and C targets in a direct current magnetron sputtering (dcMS) process at a substrate temperature (\Ts) of 300, 523 and 773\,K. The…

Materials Science · Physics 2020-01-22 Prabhat Kumar , V. R. Reddy , V. Ganesan , I. Sergueev , O. Leupold , H. -C. Wille , Mukul Gupta

Epitaxial Fe4N thin films grown on lattice-matched LaAlO3 (LAO) substrate using sputtering and molecular beam epitaxy techniques have been studied in this work. Within the sputtering process, films were grown with conventional direct…

Materials Science · Physics 2019-12-04 Nidhi Pandey , S. Putter , S. M. Amir , V. R. Reddy , D. M. Phase , J. Stahn , Ajay Gupta , Mukul Gupta

Titanium (Ti), due to its excellent properties, is widely exploited in thin film technology that usually leads to the production of {\alpha}-phase (hcp) Ti films. In this work, we investigate the phase evolution of Ti films deposited by…

Materials Science · Physics 2021-04-28 David Dellasega , Francesco Mirani , Davide Vavassori , Claudia Conti , Matteo Passoni

Nickel nitride (Ni-N) thin film samples were deposited using reactive magnetron sputtering process utilizing different partial flow of N2 (RN2). They were characterized using x-ray reflectivity (XRR), x-ray diffraction (XRD) and x-ray…

Materials Science · Physics 2020-04-23 Nidhi Pandey , Mukul Gupta , Jochen Stahn

The effect of applying a positive voltage pulse (Urev = 10 - 150 V) directly after the negative high power impulse magnetron sputtering (HiPIMS) pulse (bipolar HiPIMS) is investigated for the reactive sputter deposition of TiN thin films.…

Applied Physics · Physics 2019-06-17 Rommel Paulo B. Viloana , Jiabin Gub , Robert Boyda , Julien Keraudya , Liuhe Li , Ulf Helmersson

Soft ferromagnetic NiFe thin films are promising for applications in spintronic devices because of their constituent electrical and magnetic properties. Electron beam evaporation and sputtering techniques have been used to deposit NiFe thin…

Materials Science · Physics 2023-04-04 H. Yan , G. J. Omar , Z. T. Zhao , Lim Zhi Shiuh , A. Ariando

Ionized physical vapor deposition techniques, such as high-power impulse magnetron sputtering (HiPIMS) are gaining popularity due to their ability to produce high-quality thin films at low deposition temperatures. In those techniques, ions…

Applied Physics · Physics 2024-08-23 Jyotish Patidar , Oleksandr Pshyk , Lars Sommerhäuser , Sebastian Siol

Nanostructured Pd-Fe thin films with varied Fe content were prepared by electrodeposition technique from organic electrolytes on Cu and brass substrates. The structure and the magnetic properties of the films were investigated prior to…

Al-doped ZnO thin films were deposited using reactive high power impulse magnetron sputtering at substrate temperatures between room temperature and 600 $\bullet$ C. Two sample series with different oxygen partial pressures were studied.…

Materials Science · Physics 2025-03-03 Martin Mickan , Ulf Helmersson , David Horwat

We studied the structural and magnetic properties of \textit{in-situ} grown iron mononitride (FeN) thin films. Initial stages of film growth were trapped utilizing synchrotron based soft x-ray absorption near edge spectroscopy (XANES) at…

Materials Science · Physics 2019-02-12 Mukul Gupta , Nidhi Pandey , Niti , V. R. Reddy , D. M. Phase , Kai Schlage , Hans-Christian Wille , Ajay Gupta

The influence of the buffer layer of hafnia dielectric on superconducting properties of niobium nitride films, produced by the technique of the reactive magnetron depositing has been investigated for the first time. This study presents a…

In this work we investigate the process of iron nitride (Fe-N) phase formation using 2 at.% Al or 2 at.% Ti as additives. The samples were prepared with a magnetron sputtering technique using different amount of nitrogen during the…

Materials Science · Physics 2012-09-25 Rachana Gupta , Akhil Tayal , Mukul Gupta , Ajay Gupta , M. Horisberger , J. Stahn

In this work, amorphous thin films in Mg-Si-O-N system were prepared in order to investigate the dependence of optical and mechanical properties on Mg composition. Reactive RF magnetron co-sputtering from magnesium and silicon targets were…

In order to get homogeneous nanostructured Aluminum Nitride deposits, thin films were grown at room temperature on [001] Si substrates by radio frequency magnetron reactive sputtering. The deposits were analysed by Transmission Electron…

Materials Science · Physics 2019-09-05 Valerie Brien , P. Pigeat
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