• 5059 Citations
  • 39 h-Index
1983 …2022
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Research Output 1983 2019

2019

Influence of substrate temperature on properties of pyrite thin films deposited using a sequential coevaporation technique

Walimbe, A., Wertheim, A., Ravi, A., Kopas, C., Saxena, A., Singh, R., Lehner, S. W., Domenico, J., Makar, J., Carpenter, R., Buseck, P. R. & Newman, N., Jan 1 2019, In : Thin Solid Films. 669, p. 49-55 7 p.

Research output: Contribution to journalArticle

Pyrites
pyrites
Thin films
Substrates
thin films
2018
1 Citation (Scopus)

Better Resolution of High-Spin Cobalt Hyperfine at Low Frequency: Co-Doped Ba(Zn1/3Ta2/3)O₃ as a Model Complex

Antholine, W. E., Zhang, S., Gonzales, J. & Newman, N., Nov 9 2018, In : International Journal of Molecular Sciences. 19, 11

Research output: Contribution to journalArticle

Electron Spin Resonance Spectroscopy
Cobalt
Paramagnetic resonance
electron paramagnetic resonance
cobalt

Clean to dirty limit and T c suppression in NdFeAsO0.7F0.3 studied by H c2 analysis

Pallecchi, I., Tarantini, C., Shen, Y., Singh, R., Newman, N., Cheng, P., Jia, Y., Wen, H. H. & Putti, M., Feb 14 2018, In : Superconductor Science and Technology. 31, 3, 034007.

Research output: Contribution to journalArticle

retarding
Irradiation
slopes
Superconducting materials
irradiation
3 Citations (Scopus)

Effect of α-particle irradiation on a NdFeAs(O,F) thin film

Tarantini, C., Iida, K., Sumiya, N., Chihara, M., Hatano, T., Ikuta, H., Singh, R., Newman, N. & Larbalestier, D. C., Feb 5 2018, In : Superconductor Science and Technology. 31, 3, 034002.

Research output: Contribution to journalArticle

Irradiation
Thin films
irradiation
thin films
Point defects
microwave switching
marking
Q factors
electron paramagnetic resonance
resonators
1 Citation (Scopus)

Magnetic properties of chromium-doped Ni80Fe20 thin films

Devonport, A., Vishina, A., Singh, R., Edwards, M., Zheng, K., Domenico, J., Rizzo, N. D., Kopas, C., van Schilfgaarde, M. & Newman, N., Aug 15 2018, In : Journal of Magnetism and Magnetic Materials. 460, p. 193-202 10 p.

Research output: Contribution to journalArticle

Chromium
chromium
Magnetic properties
magnetic properties
Thin films

Switching microwave dielectric resonators from a high-Q on state to an off state using low-field electron paramagnetic resonance transitions

Gonzales, J., Zhang, C., Gajare, S. G. & Newman, N., Jul 30 2018, In : Applied Physics Letters. 113, 5, 052903.

Research output: Contribution to journalArticle

microwave switching
Q factors
electron paramagnetic resonance
resonators
impurities
2017
3 Citations (Scopus)

Effect of non-stoichiometry on the densification, phase purity, microstructure, crystal structure, and dielectric loss of Ba(Co1/3Nb2/3)O3 ceramics

Sayyadi-Shahraki, A., Taheri-Nassaj, E., Gonzales, J., Newman, N. & Kolodiazhnyi, T., Aug 1 2017, In : Journal of the European Ceramic Society. 37, 10, p. 3335-3346 12 p.

Research output: Contribution to journalArticle

Dielectric losses
Densification
Crystal structure
Microstructure
Cations
6 Citations (Scopus)

Fundamental mechanisms responsible for the temperature coefficient of resonant frequency in microwave dielectric ceramics

Zhang, S., Sahin, H., Torun, E., Peeters, F., Martien, D., DaPron, T., Dilley, N. & Newman, N., Apr 1 2017, In : Journal of the American Ceramic Society. 100, 4, p. 1508-1516 9 p.

Research output: Contribution to journalArticle

Natural frequencies
Microwaves
Microwave resonators
Magnetic permeability
Temperature
2 Citations (Scopus)

Improvement in the magnetic properties of NiFe thin films on thick Nb electrodes using oxidation and low energy Ar ion milling

Singh, R., Rizzo, N., Bertram, M., Zheng, K. & Newman, N., Nov 18 2017, (Accepted/In press) In : IEEE Magnetics Letters.

Research output: Contribution to journalArticle

Magnetic properties
Ions
Coercive force
Thin films
Oxidation
2 Citations (Scopus)

Large Uniaxial Anisotropy Induced in Soft Ferromagnetic Thin Films by Oblique Deposition of Underlayer

Singh, R., Rizzo, N. D., Boochakravarthy, A. & Newman, N., Nov 29 2017, (Accepted/In press) In : IEEE Magnetics Letters.

Research output: Contribution to journalArticle

Magnetic devices
Anisotropy
Data storage equipment
Thin films
Ions
7 Citations (Scopus)

Origin of dielectric loss in Ba(Co1/3Nb2/3)O3 microwave ceramics

Sayyadi-Shahraki, A., Taheri-Nassaj, E., Sharifi, H., Gonzales, J., Kolodiazhnyi, T. & Newman, N., Jan 1 2017, (Accepted/In press) In : Journal of the American Ceramic Society.

Research output: Contribution to journalArticle

Dielectric losses
ceramics
Microwaves
temperature
magnetic field
5 Citations (Scopus)

The magnetic, electrical and structural properties of copper-permalloy alloys

Qader, M. A., Vishina, A., Yu, L., Garcia, C., Singh, R., Rizzo, N. D., Huang, M., Chamberlin, R., Belashchenko, K. D., van Schilfgaarde, M. & Newman, N., Nov 15 2017, In : Journal of Magnetism and Magnetic Materials. 442, p. 45-52 8 p.

Research output: Contribution to journalArticle

Copper alloys
Permalloys (trademark)
Structural properties
Magnetic properties
Electric properties
2016

In-situ electron paramagnetic resonance studies of paramagnetic point defects in superconducting microwave resonators

Zhang, S., Kopas, C., Wagner, B., Queen, D. & Newman, N., Sep 19 2016, In : Applied Physics Letters. 109, 12, 122602.

Research output: Contribution to journalArticle

point defects
electron paramagnetic resonance
resonators
microwaves
parallel plates
2015
12 Citations (Scopus)

Main source of microwave loss in transition-metal-doped Ba(Zn1/3Ta2/3)O3and Ba(Zn1/3Nb2/3)O3at cryogenic temperatures

Zhang, S., Devonport, A. & Newman, N., 2015, In : Journal of the American Ceramic Society. 98, 4, p. 1188-1194 7 p.

Research output: Contribution to journalArticle

Cryogenics
Transition metals
Microwaves
Paramagnetic resonance
Magnetic fields
13 Citations (Scopus)

Nanoporous delafossite CuAlO2 from inorganic/polymer double gels: A desirable high-surface-area p-type transparent electrode material

Das, B., Renaud, A., Volosin, A. M., Yu, L., Newman, N. & Seo, D., Feb 2 2015, In : Inorganic Chemistry. 54, 3, p. 1100-1108 9 p.

Research output: Contribution to journalArticle

Inorganic polymers
electrode materials
crystallinity
photoelectrochemical devices
Gels
2014

Electromagnetic bandgap resonators synthesized using ceramic injection molding

Henderson, R., Tang, Z., Liu, S., Petras, M., Aberle, J. & Newman, N., Feb 2014, In : Microwave and Optical Technology Letters. 56, 2, p. 371-375 5 p.

Research output: Contribution to journalArticle

injection molding
Injection molding
Resonators
Energy gap
resonators

Erratum: Switching at small magnetic fields in Josephson junctions fabricated with ferromagnetic barrier layers [Appl. Phys. Lett. 104, 022602 (2014)]

Abd El Qader, M., Singh, R., Galvin, S. N., Yu, L., Rowell, J. M. & Newman, N., 2014, In : Applied Physics Letters. 104, 9, 099903.

Research output: Contribution to journalArticle

barrier layers
Josephson junctions
magnetic fields
injection molding
Injection molding
Resonators
Energy gap
resonators
11 Citations (Scopus)

Fabrication of highly spin-polarized Co2FeAl 0.5Si0.5 thin-films

Vahidi, M., Gifford, J. A., Zhang, S. K., Krishnamurthy, S., Yu, Z. G., Yu, L., Huang, M., Youngbull, C., Chen, T. & Newman, N., 2014, In : APL Materials. 2, 4, 046108.

Research output: Contribution to journalArticle

Spin polarization
Fabrication
Thin films
Epitaxial films
Substrates
1 Citation (Scopus)

Growth and characterization of epitaxial Ba(Co,Zn)1/3Nb 2/3O3 thin films

Li, Y., Kopas, C., Huang, M., Bunish, K. & Newman, N., 2014, In : Journal of Crystal Growth. 387, p. 81-85 5 p.

Research output: Contribution to journalArticle

Thin films
Substrates
thin films
Surface roughness
Dielectric films

High energy and spatial resolution EELS band gap measurements using a nion monochromated cold field emission HERMES dedicated STEM

Carpenter, R., Xie, H., Lehner, S., Aoki, T., Mardinly, J., Vahidi, M., Newman, N. & Ponce, F., Aug 1 2014, In : Microscopy and Microanalysis. 20, 3, p. 70-71 2 p.

Research output: Contribution to journalArticle

Electron energy loss spectroscopy
Field emission
field emission
Energy gap
spatial resolution
1 Citation (Scopus)

Kinetic Processes in Vapor Phase Epitaxy

Newman, N. & Vahidi, M., Dec 17 2014, Handbook of Crystal Growth: Thin Films and Epitaxy: Second Edition. Elsevier Inc., Vol. 3. p. 835-868 34 p.

Research output: Chapter in Book/Report/Conference proceedingChapter

vapor phase epitaxy
kinetics
physical properties
desorption
nucleation
41 Citations (Scopus)

Switching at small magnetic fields in Josephson junctions fabricated with ferromagnetic barrier layers

Abd El Qader, M., Singh, R., Galvin, S. N., Yu, L., Rowell, J. M. & Newman, N., Jan 13 2014, In : Applied Physics Letters. 104, 2, 022602.

Research output: Contribution to journalArticle

Permalloys (trademark)
barrier layers
Josephson junctions
digital electronics
magnetic fields
2013
10 Citations (Scopus)

Criteria for improving the properties of ZnGeAs2 solar cells

Peshek, T. J., Zhang, L., Singh, R., Tang, Z., Vahidi, M., To, B., Coutts, T. J., Gessert, T. A., Newman, N. & Van Schilfgaarde, M., Aug 2013, In : Progress in Photovoltaics: Research and Applications. 21, 5, p. 906-917 12 p.

Research output: Contribution to journalArticle

Solar cells
solar cells
absorbers (materials)
Hole mobility
Borosilicate glass

Effect of helium ion irradiation on the tunneling behavior in niobium/aluminum-aluminum oxide/niobium josephson junctions

Zhang, T., Kopas, C., Yu, L., Carpenter, R., Qader, M. A., Huang, M., Singh, R., Mardinly, J., Cantor, R., Rowell, J. M. & Newman, N., 2013, In : IEEE Transactions on Applied Superconductivity. 23, 4, 1101610.

Research output: Contribution to journalArticle

Niobium
Niobium oxide
Helium
Aluminum Oxide
helium ions
2 Citations (Scopus)

Erratum: The dominance of paramagnetic loss in microwave dielectric ceramics at cryogenic temperatures (Applied Physics Letters (2012) 101 (252901))

Liu, L., Matusevich, A., Garg, C. & Newman, N., Jan 28 2013, In : Applied Physics Letters. 102, 4, 049901.

Research output: Contribution to journalArticle

cryogenic temperature
ceramics
microwaves
physics
6 Citations (Scopus)

Growth of epitaxial pyrite (FeS2) thin films using sequential evaporation

Vahidi, M., Lehner, S. W., Buseck, P. R. & Newman, N., Nov 2013, In : Acta Materialia. 61, 19, p. 7392-7398 7 p.

Research output: Contribution to journalArticle

Pyrites
Evaporation
Thin films
Energy gap
Semiconductor materials
3 Citations (Scopus)

Investigations of the disorder in the TaxN thin films: On the first order Raman spectrum of the rock salt crystal structure

Očko, M., Žonja, S., Salamon, K., Ivanda, M., Yu, L. & Newman, N., Jul 28 2013, In : Journal of Applied Physics. 114, 4, 043707.

Research output: Contribution to journalArticle

halites
disorders
Raman spectra
crystal structure
defects
Pyrites
Semiconductor materials
Cadmium telluride
Hazards
Solar cells
3 Citations (Scopus)

Structural, electrical, and thermoelectric properties of CrSi2 thin films

Abd El Qader, M., Venkat, R., Kumar, R., Hartmann, T., Ginobbi, P., Newman, N. & Singh, R., Oct 31 2013, In : Thin Solid Films. 545, p. 100-105 6 p.

Research output: Contribution to journalArticle

electrical properties
Thin films
thin films
electrical resistivity
Seebeck coefficient
2012
24 Citations (Scopus)

Defect energy levels and electronic behavior of Ni-, Co-, and As-doped synthetic pyrite (FeS 2)

Lehner, S. W., Newman, N., Van Schilfgaarde, M., Bandyopadhyay, S., Savage, K. & Buseck, P. R., Apr 15 2012, In : Journal of Applied Physics. 111, 8, 083717.

Research output: Contribution to journalArticle

pyrites
energy levels
conduction bands
defects
electronics
2 Citations (Scopus)

Experimental study of the kinetically-limited decomposition of ZnGeAs 2 and its role in determining optimal conditions for thin film growth

Vahidi, M., Tang, Z. Z., Tucker, J., Peshek, T. J., Zhang, L., Kopas, C., Singh, R., Van Schilfgaarde, M. & Newman, N., Jan 1 2012, In : Journal of Crystal Growth. 338, 1, p. 267-271 5 p.

Research output: Contribution to journalArticle

Film growth
Thermochemistry
Decomposition
decomposition
Thin films
5 Citations (Scopus)

Growth and characterization of Ba(Cd 1/3Ta 2/3)O 3 thin films

Liu, L. T., Kopas, C., Singh, R., Hanley, R. M. & Newman, N., Jul 31 2012, In : Thin Solid Films. 520, 19, p. 6153-6157 5 p.

Research output: Contribution to journalArticle

Thin films
thin films
electrical measurement
pulsed laser deposition
surface roughness
23 Citations (Scopus)

Microwave loss in the high-performance dielectric Ba(Zn 1/3Ta2/3)O3 at 4.2K

Liu, L., Flores, M. & Newman, N., Dec 18 2012, In : Physical Review Letters. 109, 25, 257601.

Research output: Contribution to journalArticle

transition metals
microwaves
cryogenic temperature
tangents
electron paramagnetic resonance
14 Citations (Scopus)

The dominance of paramagnetic loss in microwave dielectric ceramics at cryogenic temperatures

Liu, L., Matusevich, A., Garg, C. & Newman, N., Dec 17 2012, In : Applied Physics Letters. 101, 25, 252901.

Research output: Contribution to journalArticle

cryogenic temperature
ceramics
microwaves
tangents
transition metals
3 Citations (Scopus)

Thermoelectric properties of Zn 5Sb 4In 2-δ (δ=0.15)

Wu, Y., Litvinchuk, A. P., Toberer, E. S., Snyder, G. J., Newman, N., Fischer, A., Scheidt, E. W., Scherer, W. & Hussermann, U., Jun 15 2012, In : Journal of Applied Physics. 111, 12, 123712.

Research output: Contribution to journalArticle

electrical resistivity
charge carriers
infrared reflection
figure of merit
temperature
1 Citation (Scopus)

The Southwestern Center for Aberration Corrected Electron Microscopy at Arizona State University: The Facility

Carpenter, R., Weiss, K., Newman, N., Taylor, K., Stover, D. & Velazquez, M., 2012, In : Microscopy and Microanalysis. 18, S2, p. 408-409 2 p.

Research output: Contribution to journalArticle

Aberrations
Electron microscopy
aberration
electron microscopy
2011
14 Citations (Scopus)

Effects of stress on phase separation in InxGa1- xN/GaN multiple quantum-wells

Zhang, Q. L., Meng, F. Y., Crozier, P., Newman, N. & Mahajan, S., Jun 2011, In : Acta Materialia. 59, 10, p. 3759-3769 11 p.

Research output: Contribution to journalArticle

Phase separation
Semiconductor quantum wells
X ray diffraction
Photoluminescence
Organic Chemicals
2 Citations (Scopus)

Electrical properties of AsxSe1-x (x ≤ 0.05) Mott-barriers

Bharathan, P., Bandyopadhyay, S., Espinasse, M., Singh, R. & Newman, N., Sep 15 2011, In : Journal of Non-Crystalline Solids. 357, 18, p. 3366-3372 7 p.

Research output: Contribution to journalArticle

Electric properties
electrical properties
capacitance-voltage characteristics
Electric potential
electric potential
4 Citations (Scopus)

Influence of surface topography on in situ reflection electron energy loss spectroscopy plasmon spectra of AlN, GaN, and InN semiconductors

Strawbridge, B., Cernetic, N., Chapley, J., Singh, R., Mahajan, S. & Newman, N., Jul 2011, In : Journal of Vacuum Science and Technology A: Vacuum, Surfaces and Films. 29, 4, 041602.

Research output: Contribution to journalArticle

Electron energy loss spectroscopy
Surface topography
topography
energy dissipation
electron energy
31 Citations (Scopus)

One-pot synthesis of highly mesoporous antimony-doped tin oxide from interpenetrating inorganic/organic networks

Volosin, A. M., Sharma, S., Traverse, C., Newman, N. & Seo, D., Sep 21 2011, In : Journal of Materials Chemistry. 21, 35, p. 13232-13240 9 p.

Research output: Contribution to journalArticle

Antimony
Tin oxides
Gels
Formaldehyde
Drying
2010
7 Citations (Scopus)

Characterization of Josephson and quasi-particle currents in MgB 2/MgB2 and Pb/Pb contact junctions

Shen, Y., Singh, R., Sanghavi, S., Wei, Y., Chamberlin, R., Moeckly, B. H., Rowell, J. M. & Newman, N., 2010, In : Superconductor Science and Technology. 23, 7, 075003.

Research output: Contribution to journalArticle

elementary excitations
Oxides
electric contacts
Electrodes
Electric properties
11 Citations (Scopus)

Electrical conductivities and Li ion concentration-dependent diffusivities, in polyurethane polymers doped with lithium trifluoromethanesulfonimide (LiTFSI) or lithium perchlorate (LiClO4)

Bandyopadhyay, S., Marzke, R. F., Singh, R. & Newman, N., Dec 20 2010, In : Solid State Ionics. 181, 39-40, p. 1727-1731 5 p.

Research output: Contribution to journalArticle

lithium perchlorates
Polyurethanes
ion concentration
Lithium
diffusivity
3 Citations (Scopus)

Low-temperature transport properties of TaxN thin films (0.72 ≤ x ≤ 0.83)

Očko, M., Žonja, S., Nelson, G. L., Freericks, J. K., Yu, L. & Newman, N., Nov 10 2010, In : Journal of Physics D: Applied Physics. 43, 44, 445405.

Research output: Contribution to journalArticle

Transport properties
transport properties
Thermoelectric power
Thin films
thin films
10 Citations (Scopus)

Nanoscale disorder in pure and doped MgB2 thin films

Zhu, Y., Pogrebnyakov, A. V., Wilke, R. H., Chen, K., Xi, X. X., Redwing, J. M., Zhuang, C. G., Feng, Q. R., Gan, Z. Z., Singh, R., Shen, Y., Newman, N., Rowell, J. M., Hunte, F., Jaroszynski, J., Larbalestier, D. C., Baily, S. A., Balakirev, F. F. & Voyles, P. M., Sep 2010, In : Superconductor Science and Technology. 23, 9, 095008.

Research output: Contribution to journalArticle

disorders
Thin films
thin films
Physical vapor deposition
Chemical vapor deposition
64 Citations (Scopus)

Suppression of the critical temperature of superconducting NdFeAs(OF) single crystals by Kondo-like defect sites induced by α-particle irradiation

Tarantini, C., Putti, M., Gurevich, A., Shen, Y., Singh, R., Rowell, J. M., Newman, N., Larbalestier, D. C., Cheng, P., Jia, Y. & Wen, H. H., Feb 24 2010, In : Physical Review Letters. 104, 8, 087002.

Research output: Contribution to journalArticle

critical temperature
retarding
irradiation
single crystals
defects
17 Citations (Scopus)

Thin film tandem photovoltaic cell from II-IV-V chalcopyrites

Van Schilfgaarde, M., Coutts, T. J., Newman, N. & Peshek, T., 2010, In : Applied Physics Letters. 96, 14, 143503.

Research output: Contribution to journalArticle

photovoltaic cells
thin films
solar cells
cells
2009
3 Citations (Scopus)

Cd13-xinySb10 (x≈ 2.7, y≈1.5): An interstitial-free variant of thermoelectric ß-Zn 4Sb3

Tengå, A., Lidin, S., Belieres, J. P., Newman, N., Wu, Y. & Häussermann, U., Jul 6 2009, In : Chemistry - A European Journal. 15, 27, p. 6704-6710 7 p.

Research output: Contribution to journalArticle

Polymorphism
Cadmium
Temperature
Intermetallics
Thermal conductivity
2 Citations (Scopus)

Characterization of ZnGeAs2 thin films produced by pulsed laser deposition

Tang, Z. Z., Zhang, L., Singh, R., Wright, D., Peshek, T., Gessert, T., Coutts, T. J., Van Schilfgaarde, M. & Newman, N., 2009, Conference Record of the IEEE Photovoltaic Specialists Conference. p. 437-439 3 p. 5411649

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Pulsed laser deposition
Thin films
Carrier mobility
Rutherford backscattering spectroscopy
Light absorption