“The joy of discovery is certainly the liveliest that the mind of man can ever feel”

- Claude Bernard -


1. Filter element for liquid filtration. Henry BlandSoumen Mandal, and Oliver Williams, GB Pat. Appl. GB1916744.4 (2019)

Book Chapters

2. Chemical Mechanical Polishing of Nanocrystalline Diamond. Soumen Mandal, Evan L. H. Thomas, Jessica M. Werrell, Georgina M. Klemencic, Johnathan Ash, Emmanuel B. Brousseau and Oliver Williams, in Novel Aspects of Diamond edited by Nianjun Yang, Springer, Cham, 2019, pp: 53-89 (

​1. Superconductivity in nanostructured boron doped diamond and its application to device fabrication. Soumen Mandal, Tobias Bautze and Christopher Bäuerle, in Nanodiamond edited by Oliver Williams, Royal Society of Chemistry, London, 2014, pp: 385-410 (

Papers in Refereed Journals as Corresponding Author
(Click on the reference for downloading the articles (Subscription needed for individual journals))

12. Thick adherent diamond films on AlN with low thermal barrier resistance. Soumen Mandal, Chao Yuan, Fabien Massabuau, James W. Pomeroy, Jerome Cuenca, Henry Bland, Evan Thomas, David Wallis, Tim Batten, David Morgan, Rachel Oliver, Martin Kuball and Oliver A. Williams. ACS Appl. Mater. Interfaces 11, 40826, October 2019 Link to arXiv:

11. Superconducting boron doped nanocrystalline diamond on boron nitride ceramics. Soumen Mandal, Henry A. Bland, Jerome A. Cuenca, Malcolm Snowball and Oliver A. Williams. Nanoscale 11, 10266, June 2019

Link to arXiv:

10. Redox agent enhanced chemical mechanical polishing of thin film diamond. Soumen Mandal, Evan L.H. Thomas, Laia Gines, David Morgan, Joshua Green, Emmanuel Brousseau and Oliver A. Williams. Carbon 130, 25 April 2018 (SM and ELHT has contributed equally to the work)Link to arXiv:

9. Surface zeta potential and diamond seeding on gallium nitride films. Soumen Mandal, Evan L. H. Thomas, Callum Middleton, Laia Gines, James Griffiths, Menno Kappers, Rachel Oliver, David J. Wallis, Lucy E. Goff, Stephen A. Lynch, Martin Kuball and Oliver A. Williams. ACS Omega 2, 7275, October 2017 Link to arxiv:


8. Chemical Nucleation of Diamond Films. Soumen Mandal, Evan Thomas, Titus Jenny and Oliver A. Williams. ACS Appl. Mater. Interfaces 8, 26220, October 2016.


7. Silica based polishing of {100} and {111} single crystal diamond. Evan L.H. Thomas, Soumen Mandal, Emmanuel B. Brousseau and Oliver A. Williams. Sci. Tech. Adv. Mater. 15, 035013, June 2014 (ELHT and SM has contributed equally to the work) Link to arXiv:


6. The Diamond Superconducting Quantum Interference Device. Soumen Mandal, Tobias Bautze, Oliver A. Williams, Cécile Naud, Pierre Rodière, Étienne Bustarret, Franck Omnès, Tristan Meunier, Christopher Bäuerle and Laurent SaminadayarACS Nano 5, 7144, September 2011. Link to arXiv:


5. A comparative study of angle dependent magnetoresistance in [001] and [110] La2/3Sr1/3MnO3. Soumen MandalJ. Supercond. Nov. Magn. 24, 1501, July 2011, Link to arXiv:


4. Efficient Radio Frequency filters for space constrained cryogenic set-ups. Soumen Mandal, Tobias Bautze, Remi Blinder, Tristan Meunier, Laurent Saminadayar and Christopher Bäuerle, Rev. Sci. Instr. 82, 024704, February 2011, Link to arXiv:


3. Detailed study of superconductivity in nanostructured nanocrystalline boron doped diamond thin films. Soumen Mandal, Cécile Naud, Oliver A. Williams, Étienne Bustarret, Franck Omnès, Pierre Rodière, Tristan Meunier, Laurent Saminadayar and Christopher Bäuerle, Phys. Status Solidi A 207, 2017, September 2010, Highlighted on the front cover of the issue as Editor's Choice


2. Nanostructures made from superconducting boron doped diamond. Soumen Mandal, Cécile Naud, Oliver A. Williams, Étienne Bustarret, Franck Omnès, Pierre Rodière, Tristan Meunier, Laurent Saminadayar and Christopher Bäuerle, Nanotechnology 21, 195303, April 2010, Link to arXiv:, Appeared as Lab Talk in (Link here)


1. Magnetoresistance studies of La2/3Sr1/3MnO3 - YBa2Cu3O7 - La2/3Sr1/3MnO3 trilayers with ferromagnetic coupling along the nodal direction of YBa2Cu3O7. Soumen Mandal, Phys. Rev. B 81, 014515, January 2010, Link to arXiv:

Papers in Refereed Journals as Contributing Author
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33. Facile Amine Termination of Nanodiamond Particles and Their Surface Reaction Dynamics. Ashek-I-Ahmed, Laia Gines, Soumen Mandal, Chang-You Song, Oliver A. Williams, Micahella N. Sarmiento and Chia-Liang Cheng. ACS Omega 4, 16715, October 2019


32. Quantitative analysis of the interaction between a dc SQUID and an integrated micromechanical doubly clamped cantilever. Majdi Salman, Georgina M Klemencic, Soumen Mandal, Scott Manifold, Luqman Mustafa, Oliver A Williams and Sean R Giblin. J. Appl. Physics, 125, 224503, June 2019 Link to arXiv:

31. Observation of a superconducting glass state in granular superconducting diamond. G. M. Klemencic, J. M. Fellows, J. M. Werrell, S. Mandal, S. R. Giblin, R. A. Smith and O. A. Williams. Sci. Rep. 9, 4578, March 2019 Link to arXiv: 01637

30. Superconducting Diamond on Silicon Nitride for Device Applications. Henry A. Bland, Evan L. H. Thomas, Georgina M. Klemencic, Soumen Mandal, Andreas Papageorgiou, Tyrone Jones and Oliver A. Williams. Sci. Rep. 9, 2911, February 2019 Link to arXiv:

29. Production of Metal-free Diamond Nanoparticles. Laia Gines, Soumen Mandal, David Morgan, Ryan Lewis, Phil Davies, Paola Borri, Gavin Morley and Oliver Williams. ACS Omega 3, 16099, November 2018 Link to arXiv:

28. Strongly inhomogeneous distribution of spectral properties of silicon-vacancy color centers in nanodiamonds. Sarah Lindner, Alexander Bommer, Andreas Muzha, Anke Krueger, Laia Gines, Soumen Mandal, Oliver Williams, Elisa Londero, Adam Gali and Christoph Becher. New J. Phys. 20, 115002, November 2018

27. Air-clad suspended nanocrystalline diamond waveguides. Aly Abdou, Parashara Panduranga, Jens Richter, Evan L. H. Thomas, Soumen Mandal, Oliver A. Williams, Jeremy Witzens and Maziar P. Nezhad. Opt. Express. 26, 13883, May 2018

26. Effect of ultraprecision polishing techniques on coherence times of shallow nitrogen-vacancy centers in diamond. Georg Braunbeck, Soumen Mandal, Mutsumi Touge, Oliver Williams and Friedemann Reinhard. Diam. Rel Mater. 85, 18, May 2018 Link to arXiv:

25. Battery-like Supercapacitors from Vertically Aligned Carbon Nanofibers Coated Diamond: Design and Demonstrator. Siyu Yu, Nianjun Yang, Michael Vogel, Soumen Mandal, Oliver A. Williams, Siyu Jiang, Holger Schönherr, Bing Yang and Xin Jiang. Adv. Energy Mater. 8, 1702947 April 2018 Link to arXiv:, Highlighted on the inside back cover of the issue.

24. Optical levitation of high purity nanodiamonds in vacuum without heating. A. C. Frangeskou, A. T. M. A. Rahman, L. Gines, S. Mandal, O. A. Williams, P. F. Barker and G. W. Morley. New J. Phys. 20, 043016, April 2018 Link to arXiv:

23. A low cost, space constrained NIRIM type reactor for chemical vapour deposition of diamond. Evan L.H. Thomas, Laia Ginés, Soumen Mandal, Georgina M. Klemencic and Oliver A. Williams. AIP Adv. 8, 035325 March 2018 Link to arXiv:

22. Microwave permittivity of trace sp2 carbon impurities in sub-micron diamond powders. J. A. Cuenca, E.L.H. Thomas, S. Mandal, D. Morgan, F. Lloret, D. Araujo, O.A. Williams and A. Porch. ACS Omega 3, 2183, February 2018.

21. Spectroscopic ellipsometry of nanocrystalline diamond film growth. Evan L.H. Thomas, Soumen Mandal, Ashek-I-Ahmed, J. Emyr Macdonald, Thomas Dane, Jonathan Rawle, Chia-Liang Cheng and Oliver A. Williams. ACS Omega 2, 6715, October 2017

20. Effect of slurry composition on the chemical mechanical polishing of thin diamond films. Jessica Werrell, Soumen Mandal, Evan Thomas, Emmanuel Brousseau, Ryan Lewis, Paola Borri, Philip Davies and Oliver Williams. Sci. Tech. Adv. Mater. 18, 654, September 2017

19. Fluctuation spectroscopy as a probe of granular superconducting diamond films. G. M. Klemencic, J. M. Fellows, J. M. Werrell, S. Mandal, S. R. Giblin, R. A. Smith and O. A. Williams. Phys. Rev. Mat. 1, 044801, September 2017 Link to arXiv: 1706.05845

18. Positive Zeta Potential of Nanodiamonds. Laia Gines, Soumen Mandal, Ashek-I-Ahmed, Chia-Liang Cheng, Maabur Sow and Oliver A. Williams. Nanoscale, 9, 12549, September 2017

17. Impact of chemical vapour deposition plasma inhomogeneity on the spatial variation of sp2 carbon in boron doped diamond electrodes. Zoe J Ayres, Jonathan C Newland, Mark Newton, Soumen Mandal, Oliver Williams and Julie Macpherson. Carbon 121, 434, September 2017.

16. Slow Electron-Phonon Cooling in Superconducting Diamond Films. Nadezhda Titova, Anna Kardakova, Nina Tovpeko, Sergey Ryabchun, Soumen Mandal, Dmitry Morozov, Georgina Klemencic, Sean Giblin, Oliver Williams, Gregory Goltsman and T. M. Klapwijk. IEEE Trans. Appl. Supercond. 27, 7501104, June 2017.

15. Superconductivity in planarised nanocrystalline diamond Films. Georgina M. Klemencic, Soumen Mandal, Jessica M. Werrell, Sean R. Giblin and Oliver A. Williams. Sci. Tech. Adv. Mater. 18, 239, March 2017 (GMK and SM has contributed equally to the work)

14. Battery-like supercapacitors from diamond networks and water-soluble redox electrolytes. Siyu Yu, Nianjun Yang, Hao Zhuang, Soumen Mandal, Oliver A. Williams and Xin Jiang. J. Mater. Chem. A 5, 1778, January 2017.

13. Low temperature catalytic reactivity of nanodiamond in molecular hydrogen. Ashek-I-Ahmed, Soumen Mandal, Laia Gines, Oliver A. Williams, Wang-Chi Yeh and Chia-Liang Cheng. Carbon 110, 438, December 2016.

12. Investigating the Broadband Microwave Absorption of Nanodiamond Impurities. Jerome Cuenca, Evan Thomas, Soumen Mandal, Oliver Williams and Adrian Porch. IEEE Trans. Microw. Theory Techn. 63, 4110, December 2015.

11. Electrochemical Supercapacitors from Diamond. Siyu Yu, Nianjun Yang, Hao Zhuang, Jan Meyer, Soumen Mandal, Oliver Williams, Inga Lilge, Holger Schönherr and Xin Jiang. J. Phys. Chem. C 119, 18918, August 2015.

10. Microwave determination of sp2 carbon fraction in nanodiamond powders. Jerome Cuenca, Evan Thomas, Soumen Mandal, Oliver Williams and Adrian Porch. Carbon 81, 174, January 2015.

9. Superconducting nano-mechanical diamond resonators. Tobias Bautze, Soumen Mandal, Oliver A. Williams, Pierre Rodière, Tristan Meunier and Christopher Bäuerle. Carbon 72, 100, June 2014. Link to arXiv:, Appeared as news item in Materials Today (Link here)

8. Chemical mechanical polishing of thin film diamond. Evan L.H. Thomas, Geoffrey W. Nelson, Soumen Mandal, John S. Foord and Oliver A. Williams. Carbon 68, 473, March 2014. Link to arXiv:

7. Observation of conduction electron spin resonance in boron doped diamond. Péter Szirmai, Gábor Fábián, János Koltai, Bálint Náfrádi, László Forró, Thomas Pichler, Oliver A. Williams, Soumen Mandal, Christopher Bäuerle and Ferenc Simon, Phys. Rev. B 87, 195132, May 2013, Link to arXiv:

6. A detailed analysis of the Raman spectra in superconducting boron doped nanocrystalline diamond. Péter Szirmai, Thomas Pichler, Oliver A. Williams, Soumen Mandal, Christopher Bäuerle and Ferenc Simon, Phys. Status Solidi B 249, 2656, December 2012. Link to arXiv:

5. Magnetization depinning transition, anisotropic magnetoresistance and inplane anisotropy in two polytypes of La2/3Sr1/3MnO3 epitaxial films. Soumen Mandal and R. C. Budhani, J. Magn. Magn. Mater. 320, 3323- 3333, December 2008, Link to arXiv:

4. Diverging giant magnetoresistance in ferromagnet-superconductor-ferromagnet trilayers. Soumen Mandal, R. C. Budhani, Jiaqing He and Y. Zhu, Phys. Rev. B 78, 094502, September 2008, Link to arXiv:

3. Correlation between incoherent phase fluctuations and disorder in Y1−xPrxBa2Cu3O7−. epitaxial thin films from Nernst effect measurements. Pengcheng Li, Soumen Mandal, R. C. Budhani and R. L. Greene, Phys. Rev. B 75, 184509, May 2007, Link to arXiv:

2. Growth of [110] La2/3Sr1/3MnO3 - YBa2Cu3O7 heterostructures. Soumen Mandal, Saurabh K. Bose, Rajeev Sharma, R. C. Budhani, Prahallad Padhan and Wilfrid Prellier, Appl. Phys. Lett. 89, 182508, November 2006.

1. Magnetotransport in Epitaxial Films of Degenerate Semiconductor Zn1−xCoxO. R. C. Budhani, Prita Pant, R. K. Rakshit, K. Senapati, S. Mandal, N. K. Pandey and Jitendra Kumar, J. Phys. Cond. Mat. 17, 75, January 2005.

Papers in Conferences

​1. Broadband Microwave Measurements of Nanodiamond. Jerome Cuenca, Evan Thomas, Soumen Mandal, Oliver Williams and Adrian Porch, Microwave Conference (APMC), 2014 Asia-Pacific, pp. 441, 4-7 Nov 2014

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