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Research

Dr. Alpana Nayak

Professional Experience:

  • Assistant Professor, Department of Physics, IIT-Patna, (March 2016 – Present).
  •  NEDO Postdoctoral Researcher, Research Institute of Electrical Communications (RIEC), Tohoku University, Sendai, Japan, (December 2015-Feb 2016).
  •  NIMS Postdoctoral Researcher, National Institute for Materials Science, Tsukuba, Japan, (April 2012 – March 2014).
  •  MANA Research Associate, National Institute for Materials Science, Tsukuba, Japan, (April 2009-March 2012).

Awards & Honours:

  • 2018 Early Career Research Award by SERB-DST, New Delhi, India.
  •  2017 Bharat Vikas Award by Institute of Self Reliance, Bhubneswar, India.
  •  2003 CSIR-NET for the award of junior research fellowship.
  •  2001 University Gold Medal for securing 1st rank in BSc Physics, Jadavpur University, Kolkata.
  •  1998 National Merit Certificate & National Scholarship for outstanding academic performance in higher secondary.

Books:Co-author of a book chapter, Chapter 18; Atomic Switches, Book Title: Resistive Switching – From Fundamentals of Nanoionic Redox Processes to Memristive Device Applications, Edited by Daniele Lelmini and Rainer Waser, Published 2016 by Wiley-VCH.Publications:

  • Supramolecular Self-Assembly of Ionic Discotic Liquid Crystalline Dimer with DNA at Interfaces, Samapika Mallik, Alpana Nayak, Snehasis Daschakraborty, Sandeep Kumar, and Kattera A. Suresh, Chemistry Select 3, 7318 (2018). (https://doi.org/10.1002/slct.201800601)
  • Electrochemical Charge Transfer Through the Supramolecular Discogen-DNA Hybrid Multi-layered Assembly, Rakesh K. Pandey, Himani Pandey, and Alpana Nayak, Chemistry Select 3, 5874 (2018). (https://doi.org/10.1002/slct.201800625)
  • Nanoarchitectonics for Controlling the Number of Dopant Atoms in Solid Electrolyte Nanodots, Alpana Nayak, Satomi Unayama, Seishiro Tai, Tohru Tsuruoka, Rainer Waser, Masakazu Aono, Ilia Valov, and Tsuyoshi Hasegawa, Adv. Mater. 30, 1703261 (2018). (https://onlinelibrary.wiley.com/doi/pdf/10.1002/adma.201703261)
  • Evaluation of silicon- and carbon-face SiO2/SiC MOS interface quality based on scanning nonlinear dielectric microscopy, Norimichi Chinone, Alpana Nayak, Ryoji Kosugi, Yasunori Tanaka, Shinsuke Harada, Hajime Okumura, and Yasuo Cho, Appl. Phys. Lett. 111, 061602 (2017). (https://doi.org/10.1063/1.4990865)
  • Universal Parameter Evaluating SiO2/SiC Interface Quality Based on Scanning Nonlinear Dielectric Microscopy, N. Chinone, Alpana Nayak, R. Kosugi, Y. Tanaka, S. Harada, Y. Kiuchi, H. Okumura, Y. Cho, Materials Science Forum, 897, 159 (2017). (DOI: 10.4028/www.scientific.net/MSF.897.159)
  • Position detection and observation of a conducting filament hidden under a top electrode in a Ta2O5-based atomic switch. Alpana Nayak, Qi. Wang, Yaomi Itoh, Tohru Tsuruoka, Tsuyoshi Hasegawa, Liam Boodhoo, Hiroshi Mizuta and Masakazu Aono, Nanotechnology26, 145702 (2015).
  • Atomically controlled electrochemical nucleation at superionic solid electrolyte surfaces.Ilia Valov, Ina Sapezanskaia, Alpana Nayak, TohruTsuruoka, Thomas Bredow, Tsuyoshi Hasegawa, GeorgiStaikov, Masakazu Aono, and Rainer Waser, NatureMater.11, 530 (2012).
  • Controlling the synaptic plasticity of a Cu2S gap-type atomic switch. Alpana Nayak, Takeo Ohno, TohruTsuruoka, Kazuya Terabe, Tsuyoshi Hasegawa, James K. Gimzewski and Masakazu Aono, Adv. Funct. Mater.22, 3606 (2012).The subject research was featured on MaterialsViews.com: http://www.materialsviews.com/building-artificial-brains-nanotechology-to-mimic-synapses/
  • Sensory and short-term memory formations observed in a Ag2S gap-type atomic switch. Takeo Ohno, Tsuyoshi Hasegawa, Alpana Nayak, Tohru Tsuruoka, James K. Gimzewski and Masakazu Aono, Appl. Phys. Lett 99, 203108 (2011).(This letter has been selected for the November 28, 2011 issue of Virtual Journal of  Nanoscale Science & Technology (http://www.vjnano.org).)
  • Theoretical investigation of kinetics of a Cu2S-based gap-type atomic switch. Alpana Nayak,TohruTsuruoka, Kazuya Terabe, Tsuyoshi Hasegawa, and Masakazu Aono, Appl. Phys. Lett98, 233501 (2011).(This letter has been selected for the June 20, 2011 issue of Virtual Journal of Nanoscale Science & Technology (http://www.vjnano.org).)
  • Switching kinetics of a Cu2S-based gap-type atomic switch. Alpana Nayak, TohruTsuruoka, Kazuya Terabe, Tsuyoshi Hasegawa and Masakazu Aono, Nanotechnology 22, 235201 (2011).
  • Atomic switches: Atomic-movement-controlled nanodevices for new types of computing. Takami Hino, Tsuyoshi Hasegawa, KazuyaTerabe, TohruTsuruoka, Alpana Nayak, TakeoOhno, and MasakazuAono, Science and Technology of Advanced Materials12,013003 (2011).
  • Memristive operations demonstrated by gap-type atomic switches. Tsuyoshi Hasegawa, Alpana Nayak, Takeo Ohno, Kazuya Terabe, TohruTsuruoka, James K. Gimzewski and Masakazu Aono, Appl. Phys. A: Mater. Sci. Process.102, 811 (2011).
  • Rate-limiting processes determining the switching time in a Ag2S atomicswitch. Alpana Nayak, Takuro Tamura, Tohru Tsuruoka, Kazuya Terabe, Sumio Hosaka, Tsuyoshi Hasegawa, and Masakazu Aono, J. Phys. Chem. Lett. 1,604 (2010).
  • Discotic mesogen – DNA complex films at interfaces. K. A. Suresh and Alpana Nayak, Molecular Crystals and Liquid Crystals 512, pages57/[1903]-80/[1926],(2009).
  • Films of a disk-shaped liquid crystalline molecule-DNA complex at interfaces. K. A. Suresh  and Alpana Nayak, Journal of the Indian Institute of Science, 89:2, 169-186 (2009).
  • Mechanical properties of Langmuir–Blodgett films of a discogen–DNA complex by atomic force microscopy, Alpana Nayak  and K. A. Suresh, J. Phys. Chem. B 113, 3669 (2009).
  • Conductivity of Langmuir-Blodgett films of a disk-shaped liquid-crystalline molecule-DNA complex studied by current-sensing atomic force microscopy. Alpana Nayak  and  K. A. Suresh, Physical Review E 78, 021606 (2008).(Selected for the September 1, 2008 issue of Virtual Journal of Biological Physics Research (http://www.vjbio.org/) and for the September 8, 2008 issue of Virtual Journal of Nanoscale Science & Technology (http://www.vjnano.org/).)
  • Discogen-DNA complex films at air-water and air-solid interfaces. Alpana Nayak  and  K. A. Suresh, J. Phys. Chem. B 112, 2930 (2008).
  • Films of novel mesogenic molecules at air-water and air-solid interfaces. Alpana Nayak, K. A. Suresh, Santanu Kumar Pal and Sandeep Kumar, J. Phys. Chem. B 111, 11157 (2007).

Presentations:

  • Oral presentation at the ACSIN-12 & ICSPM-21 conference held in Nov. 4-8, 2013, Tsukuba, Japan. Title- Locating conducting filament in a Ta2O5-based atomic switch using AFM.
  •  Oral presentation (in Japanese) at the 73rdJSAP Autumn Meeting, September 11-14, 2012, Matsuyama, Japan. Title- An advanced inorganic synapse realized using a Cu2S gap-type atomic switch
  •  Poster presentation at MANA symposium, Feb 29- March 02, 2012, Tsukuba, Japan. Title- Features of human memory observed in a Cu2S gap-type atomic switch
  •  Oral presentation at the TNT2011 conference held in Nov. 21-25 at Tenerife, Spain. Title- Biological synapse mimicked in an inorganic Cu2S gap-type atomic switch.
  •  Oral presentation at the MNC 2011 conference held in Oct. 24-27 at ANA Hotel Kyoto, Japan. Title- Stability of metal filaments in solid electrolyte based resistive-switching devices.
  •  Poster presentation at the 18th International Colloquium on Scanning Probe Microscopy, December 9-11, 2010, Atagawa Heights, Japan Title- Temperature dependence of a gap-type copper sulfide atomic switch.
  •  Oral presentation at the international conference on Trends in NanoTechnology 2010 (TNT2010), September 06-10, 2010, Braga, Portugal. Title- Kinetics underlying the switching time of a silver sulfide atomic switch.
  •  Poster presentation at MANA symposium, March 3-5, 2010, Tsukuba, Japan. Title- Rate-limiting processes determining the switching time in a Ag2S atomic switch.
  •  Oral presentation at the 17th International Colloquium on Scanning Probe Microscopy December 10-12, 2009, Atagawa Heights, Japan. Title- Switching time of an electrochemically controlled silver atomic switch.
  •  Poster Presentation, Workshop on driven states in Soft and Biological Matter, 18-28 April, 2006, ICTP, Miramare, Trieste- Italy.
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