General Lab Information

Nikhil Tiwale

Scientific Associate, Electronic Nanomaterials, Center for Functional Nanomaterials

Nikhil Tiwale

Brookhaven National Laboratory

Center for Functional Nanomaterials
Bldg. 735, Room 1021
P.O. Box 5000
Upton, NY 11973-5000

(631) 344-7896
(631) 992-2814
ntiwale@bnl.gov

Expertise | Research | Education | Appointments | Publications | Highlights | Awards


Expertise

  • Micro/Nano-fabrication - Electron Beam Lithography, Photolithography
  • Atomic layer deposition (ALD) & infiltration synthesis
  • Oxide/hybrid semiconductors & dielectrics
  • (Opto-)electronic devices & sensors

Research Activities

Nikhil's research is focused on top-down lithography-based nanostructuring for enhancing semiconducting materials & devices.

Infiltration synthesis-based material hybridization for innovation in nanolithography, nanofabrication, and (opto-)electronic devices.

  • Infiltration synthesis of thin-film hybrid resists for next-generation nanolithography
  • CMOS-process-compatible nanofabrication of high-performance field-effect transistors (FET) & photodetectors

Education

  • Ph.D., University of Cambridge, UK (2017)
    • Engineering - Solid State Electronics and Nanoscale Science
    • Dissertation: Zinc oxide nanowire field-effect transistors for sensor applications [DOI: 10.17863/CAM.14429]
  • B.Tech. + M.Tech., Indian Institute of Technology Bombay, India (2012)
    • Metallurgical Engineering and Materials Science
    • Specialization – Ceramics and Composites
    • Dissertation: Multi-point optical curvature measurement setup

Professional Appointments

  • Center for Functional Nanomaterials | Brookhaven National Laboratory
    Research Associate (Mar. 2018 - Present)
  • Adaptix Ltd
    Silicon Process Engineer (Oct. 2017 – Mar. 2018)
  • Nanoscience Centre | University of Cambridge
    Cleanroom Equipment Instructor (Apr. 2014 – May 2017)

Selected Publications

  • Tiwale N, Subramanian A, Freychet G, Gann E, Kisslinger K, Lu M, Stein A, Kim J, Nam C-Y (2021) Hybrid resist synthesis by ex-situ vapor-phase infiltration of metal oxides into conventional organic resists. Advances in Patterning Materials and Processes XXXVIII. doi: 10.1117/12.2583908
  • Tiwale N, Senanayak SP, Rubio-Lara J, Prasad A, Aziz A, Alaverdyan Y, Welland ME (2021) Solution-Processed High-Performance ZnO Nano-FETs Fabricated with Direct-Write Electron-Beam-Lithography-Based Top-Down Route. Advanced Electronic Materials 7:2000978. doi: 10.1002/aelm.202000978
  • Dai Z, Gao Z, Pershoguba SS, Tiwale N, Subramanian A, Zhang Q, Eads C, Tenney SA, Osgood RM, Nam C-Y, Zang J, Johnson ATC, Sadowski JT (2021) Quantum-Well Bound States in Graphene Heterostructure Interfaces. Physical Review Letters. doi: 10.1103/physrevlett.127.086805
  • Tiwale N, Subramanian A, Dai Z, Sikder S, Sadowski JT, Nam C-Y (2020) Large mobility modulation in ultrathin amorphous titanium oxide transistors. Communications Materials. doi: 10.1038/s43246-020-00096-w
  • Tiwale N, Subramanian A, Kisslinger K, Lu M, Kim J, Stein A, Nam C-Y (2020) Infiltration synthesis of hybrid nanocomposite resists for advanced nanolithography. Advances in Patterning Materials and Processes XXXVII. doi: 10.1117/12.2552164
  • Subramanian A, Tiwale N, Doerk G, Kisslinger K, Nam C-Y (2019) Enhanced Hybridization and Nanopatterning via Heated Liquid-Phase Infiltration into Self-Assembled Block Copolymer Thin Films. ACS Applied Materials & Interfaces 12:1444–1453. doi: 10.1021/acsami.9b16148
  • Tiwale N, Subramanian A, Kisslinger K, Lu M, Kim J, Stein A, Nam C-Y (2019) Advancing next generation nanolithography with infiltration synthesis of hybrid nanocomposite resists. Journal of Materials Chemistry C 7:8803–8812. doi: 10.1039/c9tc02974e
  • Tiwale N, Senanayak SP, Rubio-Lara J, Alaverdyan Y, Welland ME (2019) Optimization of Transistor Characteristics and Charge Transport in Solution Processed ZnO Thin Films Grown from Zinc Neodecanoate. Electronic Materials Letters 15:702–711. doi: 10.1007/s13391-019-00173-4
  • Subramanian A, Tiwale N, Nam C-Y (2018) Review of Recent Advances in Applications of Vapor-Phase Material Infiltration Based on Atomic Layer Deposition. JOM 71:185–196. doi: 10.1007/s11837-018-3141-4
  • Aziz A, Tiwale N, Hodge SA, Attwood SJ, Divitini G, Welland ME (2018) Core–Shell Electrospun Polycrystalline ZnO Nanofibers for Ultra-Sensitive NO2 Gas Sensing. ACS Applied Materials & Interfaces 10:43817–43823. doi: 10.1021/acsami.8b17149
  • Tan EKW, Rughoobur G, Rubio-Lara J, Tiwale N, Xiao Z, Davidson CAB, Lowe CR, Occhipinti LG (2018) Nanofabrication of Conductive Metallic Structures on Elastomeric Materials. Scientific Reports. doi: 10.1038/s41598-018-24901-2
  • Tiwale N (2015) Zinc oxide nanowire gas sensors: fabrication, functionalisation and devices. Materials Science and Technology 31:1681–1697. doi: 10.1179/1743284714y.0000000747

Research Highlights

Awards & Recognition

  • Winner of the Poster Presentation Session (NSLS-II and CFN Users' Meeting 2019)
  • Outstanding Oral Presentation Award (Early Career Research Symposium 2018)

Nikhil Tiwale

Brookhaven National Laboratory

Center for Functional Nanomaterials
Bldg. 735, Room 1021
P.O. Box 5000
Upton, NY 11973-5000

(631) 344-7896
(631) 992-2814
ntiwale@bnl.gov

Nikhil's Links