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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

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

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

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

As a single-phase alloy, CrFeCoNi is a face centered cubic (fcc) material related to the archetypical high-entropy Cantor alloy CrFeCoNiMn. For thin films, CrFeCoNi of approximately equimolar composition tends to assume an fcc structure…

Superconducting NbTiN thin films have garnered extensive interest due to their use in Superconducting Nanowire Single-Photon Detectors (SNSPDs) and other low-temperature applications for potential use in quantum computing and…

Superconductivity · Physics 2023-11-27 Siddhesh Sanjay Yeram , Sonam Bhakat , Subhashree S. Dash , Avradeep Pal

To contemplate an alternative approach for the minimization of diffusion at high temperature depositions, present findings impart viability of room-temperature deposited reactively sputtered ScN thin film samples. The adopted room…

A magneto-structural phase transition is investigated in single crystal CrN thin films grown by rf plasma molecular beam epitaxy on MgO(001) substrates. While still within the vacuum environment following MBE growth, $\it in-situ$…

Grain boundary self-diffusion of $^{57}$Co, $^{51}$Cr, $^{59}$Fe and $^{54}$Mn in a coarse-grained, single-phase fcc CoCrFeMnNi high entropy alloy is measured in a wide temperature range of 643 to 1273~K in both C- and B-type kinetic…

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

We fabricated NiFe2O thin films on MgAl2O4 (001) substrates by reactive dc magnetron co-sputtering in a pure oxygen atmosphere at different substrate temperatures. The film properties were investigated by various techniques with a focus on…

Raman studies of nanocomposite SiCN thin film by sputtering showed that with an increase of substrate temperature from room temperature to 500oC, a transition from mostly sp2 graphitic phase to sp3 carbon took place which was observed from…

Materials Science · Physics 2016-11-24 A. S. Bhattacharyya , S. K. Mishra

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

50nm thick nanogranular polycrystalline dysprosium thin films have been prepared via ultra-high vacuum DC sputtering on SiO2 and Si wafers. The maximum in-plane spontaneous magnetization at T = 4K was found to be MS4K = 3.28T for samples…

Materials Science · Physics 2015-06-12 G. Scheunert , W. R. Hendren , A. A. Lapicki , R. Hardeman , M. Gubbins , R. M. Bowman

Fe4N is a well-known anti-perovskite compound exhibiting high magnetization, high chemical stability, low coercivity, high Curie temperature, and high spin-polarization ratio. Therefore, it is a viable candidate for applications in…

Materials Science · Physics 2026-01-01 Rohit Kumar Meena , Akhil Tayal , Andrei Gloskovskii , Mukul Gupta

Ferrimagnets have received renewed attention as a promising platform for spintronic applications. Of particular interest is the Mn4N from the ${\epsilon}$-phase of the manganese nitride as an emergent rare-earth-free spintronic material due…

Materials Science · Physics 2023-08-23 Zhijie Chen , Christopher J. Jensen , Chen Liu , Xixiang Zhang , Kai Liu

The bulk quaternary equiatomic CoCrFeNi alloy is studied extensively in literature. Under experimental conditions, it shows a single-phase fcc structure and its physical and mechanical properties are similar to those of the quinary…

The magnetization (M) as a function of temperature (T) from 2 to 300 K and in-plane field (H) up to 1 kOe, room temperature easy and hard direction in-plane field hysteresis loops for fields between -100 and +100 Oe, and 10 GHz…

Other Condensed Matter · Physics 2015-06-25 Jaydip Das , Sangita S. Kalarickal , Kyoung-Suk Kim , Carl E. Patton

TaN thin film is an attractive interlayer as well as a diffusion barrier layer in [FeN/TaN](n) multilayers for the application as potential write-head materials in high-density magnetic recording. We synthesized two series of TaN films on…

Materials Science · Physics 2007-05-23 H. B. Nie , S. Y. Xu , S. J. Wang , L. P. You , Z. Yang , C. K. Ong , J. Li , T. Y. F. Liew

The structural and electrical properties of Ti-N films deposited by reactive sputtering depend on their growth parameters, in particular the Ar:N2 gas ratio. We show that the nitrogen percentage changes the crystallographic phase of the…

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