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In this work, we studied phase formation, structural and magnetic properties of iron-nitride (Fe-N) thin films deposited using high power impulse magnetron sputtering (HiPIMS) and direct current magnetron sputtering (dc-MS). The nitrogen…

Materials Science · Physics 2014-11-25 Akhil Tayal , Mukul Gupta , Ajay Gupta , V. Ganesan , Layanta Behera , Surendra Singh , Saibal Basu

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 cobalt nitride (Co-N) thin films deposited using a dc magnetron sputtering method at a substrate temperature (\Ts) of 523\,K. We find that independent of the reactive gas flow (\pn) used during sputtering, the…

Materials Science · Physics 2017-02-15 Nidhi Pandey , Mukul Gupta , Rachana Gupta , Sujay Chakravarty , Neeraj Shukla , Anton Devishvili

Cobalt nitride (Co-N) thin films prepared using a reactive magnetron sputtering process by varying the relative nitrogen gas flow (\pn) are studied in this work. As \pn~increases, Co(N), \tcn, Co$_3$N and CoN phases are formed. An…

Materials Science · Physics 2015-06-01 Rachana Gupta , Nidhi Pandey , Akhil Tayal , Mukul Gupta

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

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

Low-temperature epitaxial growth of refractory transition-metal nitride thin films by means of physical vapor deposition has been a recurring theme in advanced thin-film technology for several years. In the present study, 150-nm-thick…

Co2MnSi (CMS) films of different thicknesses (20, 50 and 100 nm) were grown by radio frequency (RF) sputtering on a-plane sapphire substrates. Our X-rays diffraction study shows that, in all the samples, the cubic <110> CSM axis is normal…

The growth rate during reactive high power pulsed magnetron sputtering (HIPIMS) of titanium nitride is measured with a temporal resolution of up to 25 us using a rotating shutter concept. According to that concept a 200 um slit is rotated…

Plasma Physics · Physics 2013-12-02 Felix Mitschker , Marina Prenzel , Jan Benedikt , Christian Maszl , Achim von Keudell

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

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

Thin films of Co2MnSi have been grown on a-plane sapphire substrates from three elemental targets by dc magnetron co-sputtering. These films are single phase, have a strong (110) texture and a saturation magnetization of 4.95 uB/formula…

Materials Science · Physics 2009-11-10 L. J. Singh , Z. H. Barber , Y. Miyoshi , Y. Bugoslavsky , W. R. Branford , L. F. Cohen

Many technologies require highly-oriented and textured functional thin films. The most common synthe-sis approaches use on-axis sputter geometries. However, in some scenarios, on-axis sputtering is not feasible. During ionized physical…

Thin films of polycrystalline $\beta$-Mn structure CoZn have been grown on thermally oxidized Si substrates by co-sputtering from elemental targets followed by annealing. A range of films grown with variable Co deposition power and fixed Zn…

Materials Science · Physics 2023-11-20 M. Dearg , G. Burnell , S. Langridge , C. H. Marrows

In this work, we studied the pathways for formation of stoichiometric \tcn~thin films. Polycrystalline and epitaxial \tcn~films were prepared using reactive direct current magnetron (dcMS) sputtering technique. A systematic variation in the…

Materials Science · Physics 2019-07-03 Nidhi Pandey , Mukul Gupta , Rachana Gupta , Zaineb Hussain , V. R. Reddy , D. M. Phase , Jochen Stahn

We present a comparative study of copper film growth with a constant energy neutral beam, thermal evaporation, dc magnetron sputtering, high-power impulse magnetron sputtering (HiP-IMS), and bipolar HiPIMS, through molecular dynamics…

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

In this work, we studied the local structure and the magnetization of Co4N thin films deposited by a reactive dc magnetron sputtering process. The interstitial incorporation of N atoms in a fcc Co lattice is expected to expand the structure…

Materials Science · Physics 2018-03-14 Nidhi Pandey , Mukul Gupta , Rachana Gupta , Parasmani Rajput , Jochen Stahn

Single phase nickel-cobalt-titanate thin films with a formula A1+2xTi1-xO3, where A is Ni2+,Co2+ and -0.25<x<1, were grown by pulsed laser deposition on sapphire substrates. There is a large window in which both Ni/Co ratio and x can be…

Materials Science · Physics 2016-10-17 Yukari Fujioka , Johannes Frantti , Christopher Rouleau , Alexander Puretzky , Harry M. Meyer

We grew thin films of a heavy fermion chiral magnet YbNi$_3$Al$_9$ by using molecular beam epitaxy. They were grown on $c$-plane sapphire substrates under ultra-high vacuum while maintaining a deposition rate at a stoichiometric ratio among…

Strongly Correlated Electrons · Physics 2021-03-11 Hiroaki Shishido , Akira Okumura , Tatsuya Saimyoji , Shota Nakamura , Shigeo Ohara , Yoshihiko Togawa
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