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S. A. Shivashankar
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Journal Articles

Resonance frequency above 20 GHz in superparamagnetic NiZn-ferrite

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Sarath Arackal, Kouhei Nozawa, Ralandinliu Kahmei, Ton That Loi, Shin Yabukami, S. A. Shivashankar, Masahiro Yamaguchi, Navakanta Bhat, Ranajit Sai
Journal: Applied Physics Letters
Appl. Phys. Lett. 121, 062402 (2022)
https://doi.org/10.1063/5.0102965
Published: August 2022
View articletitled, Resonance frequency above 20 GHz in superparamagnetic NiZn-ferrite
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Includes: Supplementary data
Journal Articles

The impact of solvent tan δ on the magnetic characteristics of nanostructured NiZn-ferrite film deposited by microwave-assisted solvothermal technique

Open Access
R. D. Ralandinliu Kahmei, Sarath Arackal, S. A. Shivashankar, Navakanta Bhat, Ranajit Sai
Journal: AIP Advances
AIP Advances 11, 025003 (2021)
https://doi.org/10.1063/9.0000190
Published: February 2021
View articletitled, The impact of solvent tan δ on the magnetic characteristics of nanostructured NiZn-ferrite film deposited by microwave-assisted solvothermal technique
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Includes: Supplementary data
Journal Articles

Mapping solution loss-tangent dependent deposition rate of MnZn-ferrite via microwave-assisted solvothermal processing

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Charu Singh, Ranajit Sai, R. D. Raland, S. A. Shivashankar, Piyush Jaiswal
Journal: AIP Conference Proceedings
AIP Conf. Proc. 2269, 030080 (2020)
https://doi.org/10.1063/5.0019515
Published: October 2020
View articletitled, Mapping solution loss-tangent dependent deposition rate of MnZn-ferrite via microwave-assisted solvothermal processing
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Journal Articles

Crystallographic inversion-mediated superparamagnetic relaxation in Zn-ferrite nanocrystals

Open Access
Ranajit Sai, Sarath Arackal, R. D. Ralandinliu Kahmei, Navakanta Bhat, Masahiro Yamaguchi, S. A. Shivashankar
Journal: AIP Advances
Series: Magnetism and Magnetic Materials
AIP Advances 10, 015101 (2020)
https://doi.org/10.1063/1.5130483
Published: January 2020
View articletitled, Crystallographic inversion-mediated superparamagnetic relaxation in Zn-ferrite nanocrystals
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Journal Articles

Microwave irradiation-assisted deposition of Ga2O3 on III-nitrides for deep-UV opto-electronics

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Piyush Jaiswal, Usman Ul Muazzam, Anamika Singh Pratiyush, Nagaboopathy Mohan, Srinivasan Raghavan, R. Muralidharan, S. A. Shivashankar, Digbijoy N. Nath
Journal: Applied Physics Letters
Appl. Phys. Lett. 112, 021105 (2018)
https://doi.org/10.1063/1.5010683
Published: January 2018
View articletitled, Microwave irradiation-assisted deposition of Ga2O3 on III-nitrides for deep-UV opto-electronics
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Includes: Supplementary data
Journal Articles

Atmospheric pressure plasma chemical vapor deposition reactor for 100 mm wafers, optimized for minimum contamination at low gas flow rates

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Venu Anand, Aswathi R. Nair, S. A. Shivashankar, G. Mohan Rao
Journal: Applied Physics Letters
Appl. Phys. Lett. 107, 094103 (2015)
https://doi.org/10.1063/1.4929781
Published: August 2015
View articletitled, Atmospheric pressure plasma chemical vapor deposition reactor for 100 mm wafers, optimized for minimum contamination at low gas flow rates
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Includes: Supplementary data
Journal Articles

Oriented nanometric aggregates of partially inverted zinc ferrite: One-step processing and tunable high-frequency magnetic properties

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Ranajit Sai, Yasushi Endo, Yutaka Shimada, Masahiro Yamaguchi, S. A. Shivashankar
Journal: Journal of Applied Physics
Series: Magnetism and Magnetic Materials
J. Appl. Phys. 117, 17E511 (2015)
https://doi.org/10.1063/1.4916816
Published: April 2015
View articletitled, Oriented nanometric aggregates of partially inverted zinc ferrite: One-step processing and tunable high-frequency magnetic properties
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Journal Articles

High contrast imaging and thickness determination of graphene with in-column secondary electron microscopy

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Vidya Kochat, Atindra Nath Pal, E. S. Sneha, Arjun Sampathkumar, Anshita Gairola, S. A. Shivashankar, Srinivasan Raghavan, Arindam Ghosh
Journal: Journal of Applied Physics
J. Appl. Phys. 110, 014315 (2011)
https://doi.org/10.1063/1.3608062
Published: July 2011
View articletitled, High contrast imaging and thickness determination of graphene with in-column secondary electron microscopy
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Journal Articles

Ellipsometric study of Atomic Layer Deposited TiO 2 thin films

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Piyush Jaiswal, G. V. Kunte, A. M. Umarji, S. A. Shivashankar
Journal: AIP Conference Proceedings
AIP Conf. Proc. 1147, 396–401 (2009)
https://doi.org/10.1063/1.3183463
Published: June 2009
View articletitled, Ellipsometric study of Atomic Layer Deposited TiO 2 thin films
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Journal Articles

Microwave‐Assisted Synthesis of NiO Nanoparticles

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Anirudha Jena, S. A. Shivashankar
Journal: AIP Conference Proceedings
AIP Conf. Proc. 1063, 211–216 (2008)
https://doi.org/10.1063/1.3027161
Published: October 2008
View articletitled, Microwave‐Assisted Synthesis of NiO Nanoparticles
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Journal Articles

Structural and electrical properties of low pressure metalorganic chemical vapor deposition grown Eu 2 O 3 films on Si(100)

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M. P. Singh, K. Shalini, S. A. Shivashankar, G. C. Deepak, N. Bhat
Journal: Applied Physics Letters
Appl. Phys. Lett. 89, 201901 (2006)
https://doi.org/10.1063/1.2388128
Published: November 2006
View articletitled, Structural and electrical properties of low pressure metalorganic chemical vapor deposition grown Eu 2 O 3 films on Si(100)
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Journal Articles

Determination of interlayer composition at buried interfaces using soft x-ray resonant reflectivity

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Maheswar Nayak, G. S. Lodha, A. K. Sinha, R. V. Nandedkar, S. A. Shivashankar
Journal: Applied Physics Letters
Appl. Phys. Lett. 89, 181920 (2006)
https://doi.org/10.1063/1.2374865
Published: November 2006
View articletitled, Determination of interlayer composition at buried interfaces using soft x-ray resonant reflectivity
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Journal Articles

Structural, optical, and electrical characterization of gadolinium oxide films deposited by low-pressure metalorganic chemical vapor deposition

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M. P. Singh, C. S. Thakur, K. Shalini, S. Banerjee, N. Bhat, S. A. Shivashankar
Journal: Journal of Applied Physics
J. Appl. Phys. 96, 5631–5637 (2004)
https://doi.org/10.1063/1.1801157
Published: November 2004
View articletitled, Structural, optical, and electrical characterization of gadolinium oxide films deposited by low-pressure metalorganic chemical vapor deposition
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Journal Articles

Structural and electrical characterization of erbium oxide films grown on Si(100) by low-pressure metalorganic chemical vapor deposition

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M. P. Singh, C. S. Thakur, K. Shalini, N. Bhat, S. A. Shivashankar
Journal: Applied Physics Letters
Appl. Phys. Lett. 83, 2889–2891 (2003)
https://doi.org/10.1063/1.1616653
Published: October 2003
View articletitled, Structural and electrical characterization of erbium oxide films grown on Si(100) by low-pressure metalorganic chemical vapor deposition
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Journal Articles

Phase transformation and semiconductor-metal transition in thin films of VO 2 deposited by low-pressure metalorganic chemical vapor deposition

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M. B. Sahana, G. N. Subbanna, S. A. Shivashankar
Journal: Journal of Applied Physics
J. Appl. Phys. 92, 6495–6504 (2002)
https://doi.org/10.1063/1.1518148
Published: December 2002
View articletitled, Phase transformation and semiconductor-metal transition in thin films of VO 2 deposited by low-pressure metalorganic chemical vapor deposition
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Journal Articles

Scanning tunneling microscope study of the morphology of chemical vapor deposited copper films and its correlation with resistivity

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Geetha Ramaswamy, A. K. Raychaudhuri, Jaydeb Goswami, S. A. Shivashankar
Journal: Journal of Applied Physics
J. Appl. Phys. 82, 3797–3807 (1997)
https://doi.org/10.1063/1.365742
Published: October 1997
View articletitled, Scanning tunneling microscope study of the morphology of chemical vapor deposited copper films and its correlation with resistivity
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Journal Articles

Magnetic properties of single‐crystal Y‐Ba‐Cu‐O containing Fe

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T. R. McGuire, S. J. La Placa, R. F. Boehme, S. A. Shivashankar, D. T. Keane
Journal: Journal of Applied Physics
J. Appl. Phys. 69, 5388–5390 (1991)
https://doi.org/10.1063/1.348041
Published: April 1991
View articletitled, Magnetic properties of single‐crystal Y‐Ba‐Cu‐O containing Fe
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Journal Articles

Superconductivity in Bi‐Sr‐Ca‐Cu‐O (invited)

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T. R. McGuire, S. A. Shivashankar, S. J. La Placa, G. V. Chandrashekhar, R. F. Boehme, T. M. Shaw, D. S. Yee, M. W. Shafer, J. J. Cuomo
Journal: Journal of Applied Physics
J. Appl. Phys. 64, 5792–5796 (1988)
https://doi.org/10.1063/1.342207
Published: November 1988
View articletitled, Superconductivity in Bi‐Sr‐Ca‐Cu‐O (invited)
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Journal Articles

Thin‐film Bi‐Sr‐Ca‐Cu‐O high‐temperature superconductors using pulsed laser evaporation from sintered disks

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C. Richard Guarnieri, R. A. Roy, K. L. Saenger, S. A. Shivashankar, D. S. Yee, J. J. Cuomo
Journal: Applied Physics Letters
Appl. Phys. Lett. 53, 532–533 (1988)
https://doi.org/10.1063/1.100627
Published: August 1988
View articletitled, Thin‐film Bi‐Sr‐Ca‐Cu‐O high‐temperature superconductors using pulsed laser evaporation from sintered disks
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Journal Articles

Plasma spray deposited superconducting YBa2Cu3O7 films

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C. Richard Guarnieri, R. A. Roy, S. A. Shivashankar, J. J. Cuomo, D. S. Yee, R. Rosenberg, R. R. Shaw
Journal: AIP Conference Proceedings
AIP Conf. Proc. 165, 204–210 (1988)
https://doi.org/10.1063/1.37095
Published: February 1988
View articletitled, Plasma spray deposited superconducting YBa2Cu3O7 films
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