James Williams

2024

Electrochemical characterization and structural analysis of (In₂O₃)/(Fe₂O₃) nanocomposites for high-performance supercapacitors

Jabeen, S., Iqbal, J., Samarin, S., Williams, J., Khan, S. & Warsi, M. F., 1 May 2024, In: Ceramics International. 50, 9, p. 16228-16240 13 p.

Research output: Contribution to journal › Article › peer-review

2 Citations (Scopus)

Positron re-emission, reflection, and diffraction from W(100) surface at very low energies

Samarin, S. N., Petrov, V. N., Sudarshan, K., Guagliardo, P., Baraban, A. P. & Williams, J. F., 17 Jan 2024, In: Journal of Physics Condensed Matter. 36, 2, 025001.

Research output: Contribution to journal › Article › peer-review

2021

Synthesis of In₂O₃/GNPs nanocomposites with integrated approaches to tune overall performance of electrochemical devices

Jabeen, S., Aadil, M., Williams, J., Awan, M. S., Iqbal, J., Zulfiqar, S. & Nazar, N., 15 Aug 2021, In: Ceramics International. 47, 16, p. 22345-22355 11 p.

Research output: Contribution to journal › Article › peer-review

45 Citations (Scopus)

2020

Heterojunction formation in In₂O₃–NiO nanocomposites: Towards high specific capacitance

Jabeen, S., Iqbal, J., Arshad, A., Williams, J., Samarin, S. & Rani, M., 25 Nov 2020, In: Journal of Alloys and Compounds. 842, 155840.

Research output: Contribution to journal › Article › peer-review

18 Citations (Scopus)

Porosity evaluation and positron annihilation study of mesoporous aluminum oxy-hydroxide ceramics

Ghasemifard, M., Ghamari, M., Samarin, S. & Williams, J. F., 1 Jun 2020, In: Applied Physics A: materials science and processing. 126, 6, 478.

Research output: Contribution to journal › Article › peer-review

7 Citations (Scopus)

Spin-orbit coupling in scattering of very low-energy spin-polarized electrons from Co film by (e,2e) spectroscopy

Williams, J. F., Artamonov, O., Kostylev, M. & Samarin, S., May 2020, In: Journal of Electron Spectroscopy and Related Phenomena. 241, 146809.

Research output: Contribution to journal › Article › peer-review

Open Access

2019

Aluminum oxyhydroxide-doped PMMA hybrids powder prepared via facile one-pot method towards copper ion removal from aqueous solution

Ghamari, M., Imani, A., Williams, J. F. & Ghasemifard, M., 1 Dec 2019, In: International Nano Letters. 9, 4, p. 317-325 9 p.

Research output: Contribution to journal › Article › peer-review

Open Access

5 Citations (Scopus)

Effect of (Ba_1-xLa_x)TiO₃ and (Pb_1-xLa_x)TiO₃ dopants in optical and dielectric properties of PMN-based transparent ceramics

Ghasemifard, M., Ghamari, M., Samarin, S. & Williams, J. F., 30 Nov 2019, In: Modern Physics Letters B. 33, 33, 1950408.

Research output: Contribution to journal › Article › peer-review

Influence of Zn ²⁺ doping on the lattice defects and photoluminescence studies of Sr ₂ CeO ₄ :Eu ³⁺ nanophosphor: Applications for data encryption strategies

Sudheendra, H. S., Darshan, G. P., Basavaraj, R. B., Naik, Y. V., Premakumar, H. B., Nagabhushana, H., Williams, J. F., Hareesh, K. & Kokila, M. K., 1 Apr 2019, In: Optical Materials. 90, p. 159-171 13 p.

Research output: Contribution to journal › Article › peer-review

14 Citations (Scopus)

One-step bacterial assisted synthesis of CdS/rGO nanocomposite as Hydrogen production catalyst

Hareesh, K., Dhole, S. D., Phase, D. M. & Williams, J. F., Feb 2019, In: Materials Research Bulletin. 110, p. 82-89 8 p.

Research output: Contribution to journal › Article › peer-review

17 Citations (Scopus)

One-step gamma radiation aided diffusion of Ag-Au alloy nanoparticles into polycarbonate and its application towards the reduction of 4-Nitrophenol

Hareesh, K., Sunitha, D. V., Dhole, S. D., Bhoraskar, V. N., Phase, D. M. & Williams, J., 1 Sept 2019, In: Radiation Physics and Chemistry. 162, p. 126-130 5 p.

Research output: Contribution to journal › Article › peer-review

19 Citations (Scopus)

Spectral line shape and angular momentum

Barton, D., Williams, J. F. & Samarin, S., 2019, In: Journal of Physics: Conference Series. 1289, 1, 012007.

Research output: Contribution to journal › Conference article › peer-review

Open Access

2018

Corrigendum to “Positron annihilation spectroscopy and photoluminescence investigation of LaOF:Tb³⁺ nanophosphor fabricated via ultrasound assisted sonochemical route” [Mater. Sci. Eng. B 224 (2017) 28–39] (S0921510717301551) (10.1016/j.mseb.2017.07.001))

Suresh, C., Nagabhushana, H., Darshan, G. P., Basavaraj, R. B., Sharma, S. C., Sunitha, D. V., Daruka Prasad, B., Williams, J. F. & Hareesh, K., Feb 2018, In: Materials Science and Engineering B: Solid-State Materials for Advanced Technology. 228, p. 267 1 p.

Research output: Contribution to journal › Comment/debate › peer-review

Emission of correlated electron pairs from surfaces induced by photons, positrons and ions

Samarin, S., Artamonov, O. & Williams, J., 2018, Springer Series in Surface Sciences. Samarin, S., Artamonov, O. & Williams, J. (eds.). Switzerland: Springer, p. 203-223 21 p. (Springer Series in Surface Sciences; vol. 67).

Research output: Chapter in Book/Conference paper › Chapter › peer-review

1 Citation (Scopus)

Gamma radiation-assisted diffusion of Au nanoparticles in nanocavities of polycarbonate: Nano-structural and surface properties

Hareesh, K., Sunitha, D. V., Ramya, P., Williams, J. F., Samarin, S., Dhole, S. D. & Sanjeev, G., 1 Jan 2018, In: Materials Research Express. 5, 1, 015304.

Research output: Contribution to journal › Article › peer-review

1 Citation (Scopus)

Introduction

Samarin, S., Artamonov, O. & Williams, J., 2018, Spin-Polarized Two-Electron Spectroscopy of Surfaces. Samarin, S., Artamonov, O. & Williams, J. (eds.). Netherlands: Springer, Vol. 67. p. 1-4 4 p. (Springer Series in Surface Sciences).

Research output: Chapter in Book/Conference paper › Foreword/postscript › peer-review

New experimental technique for studying electron-electron interaction, electron correlation, mechanism of electron emission and electronic properties of surfaces

Samarin, S., Artamonov, O. & Williams, J., 2018, Spin-Polarized Two-Electron Spectroscopy of Surfaces. Samarin, S., Artamonov, O. & Williams, J. (eds.). Springer-Verlag Italia s.r.l., p. 5-86 82 p. (Springer Series in Surface Sciences; vol. 67).

Research output: Chapter in Book/Conference paper › Chapter › peer-review

Preface

Samarin, S., Artamonov, O. & Williams, J., 2018, Spin-Polarized Two-Electron Spectroscopy of Surfaces. Netherlands: Springer, Vol. 67. p. v-vii (Springer Series in Surface Sciences).

Research output: Chapter in Book/Conference paper › Foreword/postscript › peer-review

Spin-Polarized Two-Electron Spectroscopy of Surfaces

Samarin, S., Artamonov, O. & Williams, J., 1 Jan 2018, Netherlands: Springer-Verlag Berlin. 241 p. (Springer Series in Surface Sciences; vol. 67)

Research output: Book/Report › Book › peer-review

1 Citation (Scopus)

2017

Enhanced supercapacitance behaviour of low energy ion beam reduced graphene oxide

Hareesh, K., Shateesh, B., Williams, J. F., Asokan, K., Phase, D. M., Priya Madhuri, K., Haram, S. K. & Dhole, S. D., 1 Jun 2017, In: Materials Research Express. 4, 6, 065018.

Research output: Contribution to journal › Article › peer-review

7 Citations (Scopus)

Positron annihilation spectroscopy and photoluminescence investigation of LaOF: Tb³⁺ nanophosphor fabricated via ultrasound assisted sonochemical route

Suresh, C., Nagabhushana, H., Darshan, G. P., Basavaraj, R. B., Sharma, S. C., Sunitha, D. V., Daruka Prasad, B., Williams, J. & Krishnaiah, H., 1 Oct 2017, In: Materials Science and Engineering B: Solid-State Materials for Advanced Technology. 224, p. 28-39 12 p.

Research output: Contribution to journal › Article › peer-review

13 Citations (Scopus)

Spin correlation tensor for measurement of quantum entanglement in electron-electron scattering

Tsurikov, D. E., Samarin, S. N., Williams, J. F. & Artamonov, O. M., 14 Apr 2017, In: Journal of Physics B: Atomic, Molecular and Optical Physics. 50, 7, 075502.

Research output: Contribution to journal › Article › peer-review

1 Citation (Scopus)

Ultra high stable supercapacitance performance of conducting polymer coated MnO₂ nanorods/rGO nanocomposites

Hareesh, K., Shateesh, B., Joshi, R. P., Williams, J. F., Phase, D. M., Haram, S. K. & Dhole, S. D., 2017, In: RSC Advances. 7, 32, p. 20027-20036 10 p.

Research output: Contribution to journal › Article › peer-review

Open Access

31 Citations (Scopus)

2016

Angular distribution of reemitted positrons from W(100) with over layers of oxygen and LiF

Kathi, S., Samarin, S. N., Guagliardo, P., Wilkie, P. J., Petrov, V. & Williams, J., 1 Apr 2016, In: Applied Physics A: materials science and processing. 122, 4, 361.

Research output: Contribution to journal › Article › peer-review

Bio-green synthesis of Ag-GO, Au-GO and Ag-Au-GO nanocomposites using Azadirachta indica: Its application in SERS and cell viability

Hareesh, K., Williams, J., Dhole, N. A., Kodam, K. M., Bhoraskar, V. N. & Dhole, S. D., Jul 2016, In: Materials Research Express. 3, 7, 9 p., 075010.

Research output: Contribution to journal › Article › peer-review

45 Citations (Web of Science)

Elastic versus inelastic spin-polarized electron scattering from a ferromagnetic surface

Samarin, S. N., Artamonov, O. M., Baraban, A. P., Kostylev, M., Guagliardo, P., Berakdar, J. & Williams, J. F., 24 Oct 2016, In: Physical Review B - Condensed Matter and Materials Physics. 94, 15, 155440.

Research output: Contribution to journal › Article › peer-review

Open Access

3 Citations (Scopus)

Structural and antibacterial properties of a γ-radiation-assisted, in situ prepared silver–polycarbonate matrix

Deore, A. V., Hareesh, K., Ramya, P., Ianni, E., Guagliardo, P., Samarin, S., Williams, J. F., Sanjeev, G., Dahiwale, S. S., Kanjilal, D., Dhole, N. A., Kodam, K. M., Bhoraskar, V. N. & Dhole, S. D., 20 Sept 2016, In: Journal of Applied Polymer Science. 133, 36, p. 1-10 43729.

Research output: Contribution to journal › Article › peer-review

Open Access

7 Citations (Web of Science)

2015

Comment on "optically pumped spin-exchange polarized-electron source"

Williams, J., Samarin, S. & Pravica, L., 2015, In: Physical Review A - Atomic, Molecular, and Optical Physics. 91, 5, 2 p., 056703.

Research output: Contribution to journal › Letter

1 Citation (Scopus)

Controlling spin-orbit interaction in a ferromagnetic Fe/Au double layer

Samarin, S., Artamonov, O. M., Baraban, A. P., Kostylev, M., Guagliardo, P. & Williams, J., 29 Jan 2015, In: Applied Physics Letters. 106, p. 1-5 5 p., 042404.

Research output: Contribution to journal › Article › peer-review

Open Access

File

1 Citation (Scopus)

218 Downloads (Pure)

Effect of irradiation with argon ions on elastic scattering of spin-polarized electrons from W(110) surface

Dhal, S., Chatterjee, S., Samarin, S., Williams, J., Giebels, F., Gollisch, H. & Feder, R., Feb 2015, In: Radiation Effects and Defects in Solids. 170, 2, p. 144-151

Research output: Contribution to journal › Article › peer-review

2 Citations (Scopus)

Emission of correlated electron pairs from Au(111) and Cu(111) surfaces under low-energy electron impact: Contribution of surface states, d-states and spin effects

Samarin, S., Artamonov, O. M., Guagliardo, P., Praviça, L., Baraban, A. P., Schümann, F. O. & Williams, J., Jan 2015, In: Journal of Electron Spectroscopy and Related Phenomena. 198, p. 26-30 5 p.

Research output: Contribution to journal › Article › peer-review

Open Access

File

3 Citations (Scopus)

244 Downloads (Pure)

Entanglement manifestation in spin resolved electron-electron scattering

Artamonov, O. M., Samarin, S., Vetlugin, A. N., Sokolov, I. V. & Williams, J., Nov 2015, In: Journal of Electron Spectroscopy and Related Phenomena. 205, p. 66-73 8 p.

Research output: Contribution to journal › Article › peer-review

6 Citations (Scopus)

Excitation of plasmons in Ag/Fe/W structure by spin-polarized electrons

Samarin, S., Artamonov, O. M., Baraban, A. P., Kostylev, M., Guagliardo, P. & Williams, J., 11 Sept 2015, In: Applied Physics Letters. 107, 10, p. 101602-1 - 101602-5

Research output: Contribution to journal › Article › peer-review

File

1 Citation (Scopus)

202 Downloads (Pure)

Single and couple doping ZnO nanocrystals characterized by positron techniques

Pasang, T., Namratha, K., Guagliardo, P., Byrappa, K., Ranganathaiah, C., Samarin, S. & Williams, J., 2015, In: Materials Research Express. 2, 4, p. 1-12

Research output: Contribution to journal › Article › peer-review

5 Citations (Scopus)

Spin polarized low-energy positron source

Petrov, V., Samarin, S., Sudarshan, K., Pravica, L., Guagliardo, P. & Williams, J., 2015, Journal of Physics: Conference Series. Institute of Physics, Vol. 618. p. 012043

Research output: Chapter in Book/Conference paper › Conference paper › peer-review

Open Access

2 Citations (Scopus)

Spin-polarized single- and two-electron spectroscopies at various kinematics

Samarin, S., Tan, M., Artamonov, O. M., Baraban, A. P., Guagliardo, P. & Williams, J., 2015, Journal of Physics: Conference Series. Lorenzo Ugo Ancarani: Institute of Physics, Vol. 601. p. 1-10

Research output: Chapter in Book/Conference paper › Conference paper › peer-review

Open Access

1 Citation (Scopus)

2014

Positron reemission from clean and LiF coated W(100): Effect of oxygen exposure

Sudarshan, S., Samarin, S., Wilkie, P. J., Guagliardo, P., Petrov, V. & Williams, J., 2014, Positron reemission from clean and LiF coated W(100): Effect of oxygen exposure. Journal of Physics: Conference Series: Institute of Physics, Vol. 505. p. 012004

Research output: Chapter in Book/Conference paper › Conference paper › peer-review

Open Access

1 Citation (Scopus)

Scattering of free electrons by free electrons

Williams, J., Samarin, S., Targhagh, O., Hilton, A., Kathi, S., Guagliardo, P., Praviça, L. & Artamonov, O. M., 25 Jun 2014, In: Physical Review A - Atomic, Molecular, and Optical Physics. 89, 6, p. 062717-1 - 062717-6 6 p., 062717.

Research output: Contribution to journal › Article › peer-review

Open Access

File

2 Citations (Scopus)

320 Downloads (Pure)

Vacancy-type defects study on ultra-fine grained aluminium processed by severe plastic deformation

Su, L., Lu, C., Deng, G. Y., Tieu, K. A., Zhang, L. C., Guagliardo, P., Samarin, S. & Williams, J., 2014, In: Science of Advanced Materials. 6, 7, p. 1338-1345

Research output: Contribution to journal › Article › peer-review

4 Citations (Scopus)

2013

Angle-resolved energy distribution of re-emitted positrons from a W(100) single crystal

Sudarshan, K., Samarin, S., Guagliardo, P., Petrov, V., Weiss, A. H. & Williams, J., 2013, In: Physical Review B. 87, 8, p. 6pp

Research output: Contribution to journal › Article › peer-review

8 Citations (Scopus)

Electron screening and electron-electron scattering mechanisms

Artamonov, O. M., Samarin, S. & Williams, J., 2013, In: Journal of Electron Spectroscopy and Related Phenomena. 191, p. 79-85

Research output: Contribution to journal › Article › peer-review

3 Citations (Scopus)

Influence of polar groups in binary polymer blends on positronium formation

Ramya, P., Guagliardo, P., Pasang, T., Ranganathaiah, C., Samarin, S. & Williams, J., 2013, In: Physical Review E. 87, p. 8pp

Research output: Contribution to journal › Article › peer-review

11 Citations (Scopus)

Influence of surface conditions on thermal positron reemission spectra from W(100)

Sudarshan, S., Wilkie, P. J., Samarin, S., Guagliardo, P., Petrov, V., Weiss, A. H. & Williams, J., 2013, In: Applied Physics A: materials science and processing. 113, 3, p. 633-639

Research output: Contribution to journal › Article › peer-review

2 Citations (Scopus)

Intensity asymmetry of the (00) diffracted spin-polarized electron beam scattered from W(110): Azimuthal dependence

Samarin, S., Williams, J., Artamonov, O., Praviça, L., Sudarshan, K., Guagliardo, P., Giebels, F., Gollisch, H. & Feder, R., 2013, In: Applied Physics Letters. 102, p. 4pp

Research output: Contribution to journal › Article › peer-review

3 Citations (Scopus)

Plasmon-assisted high reflectivity and strong magneto-optical Kerr effect in permalloy gratings

Kostylev, N., Maksymov, I., Adeyeye, A. O., Samarin, S., Kostylev, M. & Williams, J., 2013, In: Applied Physics Letters. 102, 12, p. 5pp

Research output: Contribution to journal › Article › peer-review

32 Citations (Scopus)

Positron annihilation and optical studies of natural brown type i diamonds

Guagliardo, P., Byrne, K., Chapman, J., Sudarshan, K., Samarin, S. & Williams, J., 2013, In: Diamond and Related Materials. 37, p. 37-40

Research output: Contribution to journal › Article › peer-review

5 Citations (Scopus)

Positron annihilation in off-stoichiometric and Ta-doped Zn2TiO4

Guagliardo, P., Vance, E. R., Lumpkin, G. R., Blackford, M. G., Sudarshan, S., Davis, J., Samarin, S. & Williams, J., 2013, In: Journal of the American Ceramic Society. 96, 10, p. 3286-3289

Research output: Contribution to journal › Article › peer-review

3 Citations (Scopus)

Positron Annihilation Studies of Mesoporous Silica MCM-41

Williams, J., Guagliardo, P., Sudarshan, K., Ranganathaiah, C., Koutsantonis, G., Hondow, N. & Samarin, S., 2013, Journal of Physics: Conference Series. United Kingdom: IOP Publishing, Vol. 443. p. 1-4

Research output: Chapter in Book/Conference paper › Conference paper › peer-review

Open Access

2 Citations (Scopus)

Positron annihilation study of Cs-deficient pollucite

Guagliardo, P., Vance, E. R., Sudarshan, K., Davis, J., Williams, J., Renganathaiah, C. & Samarin, S., 2013, 16th International Conferenceon Positron Annihilation. United Kingdom: IOP Publishing, Vol. 443. p. 012015 (1-4)

Research output: Chapter in Book/Conference paper › Conference paper

Open Access

1 Citation (Scopus)

Positron Re-emission Studies from W (100)

Sudarshan, K., Petrov, V., Samarin, S., Guagliardo, P., Weiss, A. H. & Williams, J., 2013, 16th International Conferenceon Positron Annihilation. United Kingdom: IOP Publishing, Vol. 443. p. 012070 (1-4)

Research output: Chapter in Book/Conference paper › Conference paper

Open Access

3 Citations (Scopus)

James Williams

Research output

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