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Dr. SHANNIGRAHI, Santiranjan (Adjunct @ NUS, Mechanical Engineering)

Senior Scientist I

Staff

Structural Materials (STR) Department

63194809

santi-s@imre.a-star.edu.sg

2 Fusionopolis Way. Innovis, #08-03, Singapore 138634.


Research Details


  • Structure-property-processing interrelationships of chemical processed oxide electric, magnetic and other advanced functional smart materials in their various form factors for sensors & transducers, magneto-electric and magneto-optic device applications

  • Lead free UV absorbing ceramics and thick films and composites

  • Magnetoelectric materials and wireless energy transfer.

  • Microwave processing of ferrite materials for electromagnetic interference (EMI) shielding applications.

  • Microwave EMI shielding/absorbing materials

  • UV absorbing ceramics

  • Ceramic composites for UV and EMI shielding applications

  • Advanced functional ceramics, thick and thin films

  • Solid state actuation system on Aluminium/Steel substrates for flexural micro systems and microelectromechanical systems (MEMS

  • Transparent UV sensitive coating on glass substrate

  • Polymer/ceramic composite film fabrication and UV barrier property analysis

  • Development of EMI shielding materials for wireless energy transfer applications

  • Multiferroic thin films for novel sensors application

  • UV photodarkening materials technology transfer

  • Functional mechanisms in ferroelectrics for energy harvesting and storage

  • EMI shielding materials for near field wireless energy transfer applications

  • 2016-current       Senior Scientist I
  • 2011-2016          Scientist III, DG, IMRE
  • 2006-2011          Senior Research Engineer, MG, IMRE
  • 2001-2006          Research Associate, MNSC, IMRE
  • PhD, Indian Institute of Technology (Kharagpur) India, 1999
  • Member of MRS-S

  • Silver award in Singapore Science and Engineering Fair (SSEF 2008, 2009, 2010)

  • YE HK, SHANNIGRAHI S, SOH CB, et al., “Development of (Zr,Mn) doped X-type hexaferrites for high frequency EMI shielding applications”, J. Magn. Magn. Mater., 465, 716-726, 2018

  • SHANNIGRAHI S, KHOO KH, LASKOWSKI R, et al., “Lead-free perovskite ceramics with ultraviolet-tunable optical and magnetic properties at room temperature”, J. Appl. Phys., 123, 234901, 2018

  • DALAPATI GK, KUSHWAHA AK, SHARMA M, SHANNIGRAHI S, et al., “Transparent heat regulating (THR) materials and coatings for energy saving window applications: Impact of materials design, micro-structural, and interface quality on the THR performance”, Prog. Mat. Sci., 95, 42-131, 2018

  • MAGHAM SBS, SHARMA M, SHANNIGRAHI S, et al. “Development of Z-type hexaferrites for high frequency EMI shielding applications”, J. Magn. Magn. Mater., 441, 303-309, 2017

  • GHOSH B, HALDER S, SHANNIGRAHI S, et al., X-ray photoelectron spectroscopic study and electronic structure of double-perovskites A2SmTaO6 (A= Ba, Sr, Ca),  Solid State Sci., 67, 114-118, 2017    

  • REZAEI SD, SHANNIGRAHI S, RAMAKRISHNA S, "A review of conventional, advanced, and smart glazing technologies and materials for improving indoor environment”, Solar Energy Mater. Solar Cells, 159, 26, 2017.

  • CHANDA S, SHANNIGRAHI S, SAHA S, DUTTA A, MURTHY J, VENIMADHAV A, SINHA TP, Magnetic ordering and conduction mechanism of different electroactive regions in Lu2NiMnO6, J. Appl. Phys.,120, 134102, 2016.

  • SHANNIGRAHI S, AND IVAN CKT, "Comparison of grain structure, electrical and magnetic properties of BaTiO3 and Ni0.5Zn0.5Fe2O4 ceramics sintered using Microwave and Conventional Techniques”, Technologies, 3, 47, 2015.

  • KUMAR A, SHANNIGRAHI S, BARRIONUEVO D, ORTEGA N, SKUKLA AK, SCOTT JF, KATIYAR RS, "Ferroelectric Capped Magnetization in Multiferroic PZT/LSMO Tunnel-Barrier Heterostructure”, Appl. phys. Letts., 106, 132901, 2015.

  • ROUT J, SHANNIGRAHI S, et al., "Effect of co-substitutions (Ca-Mn) on Structural, Electrical and Magnetic Characteristics of Bismuth Ferrite”, Ceram. Int., 41, 9078, 2015.

  • YANG Y, YAO K, SHANNIGRAHI S, WU B, ZONG B, WU Y, "Investigation of Magnetic Proximity Effect in Ta/YIG Bilayer Hall bar structure”, J. Appl. Phys.: 115, 17C509, 2014.

  • LIN WN, SHANNIGRAHI S, WANG SJ, WU T, DING JF, WU SX, LI YF, LOUREMBAM J, "Electrostatic modulation of LaAlO3/SrTiO3 interface transport in an electric double-layer transistor”, Adv. Mater. Interfaces, 10, 1002, 2013.

  • CHUKKA R, SHANNIGRAHI S, SURESH V, CHEN L, "An electrocaloric device demonstrator for solid-state cooling”, EPL: 103, 47011, 2013.

  • SHANNIGRAHI S, TAN CKI, WQ AU, KUMAR VS, LIE L, ZHIHONG Y, CHENG C, RAMANUJAN SRV, "Synthesis and electromagnetic properties of U-type hexaferrites: Ba4B2Fe36O60 (B: Co, Ni, Cu)”, J. Magn. Magn. Mater. , 325, 63, 2013.

  • SHANNIGRAHI S, PRAMODA KP, NUGROHO FAA, “Synthesis and characterizations of microwave sintered ferrite powders and their composite films for practical applications”, J. Magn. Magn. Mater. , 324, 140, 2012.

  • HERNG S,  WONG MF, QI D, YI J, KUMAR A, HUANG A,  KARTAWIDJAJA FC, SMADICI S, ABBAMONTE P, HANKE CS, SHANNIGRAHI S, et. al. "Mutual Ferromagnetic–Ferroelectric Coupling in Multiferroic Copper-Doped ZnO”, Adv. Mater., 23, 1635, 2011.

  • GUPTA A, HUANG A, SHANNIGRAHI S, CHATTERJEE R, "Improved magnetoelectric coupling in Mn and Zn doped CoFe2O4-PbZr0.52Ti0.48O3 particulate composite”, Appl. Phys. Letts., 98, 112901, 2011.

  • SHANNIGRAHI S, TAN SY, "Effects of processing parameters on the properties of lanthanum manganite”, Mater Chem. Phy. , 129, 15, 2011.

  • CHUKKA R, CHEAH JW, CHEN Z, YANG P, SHANNIGRAHI S, WANG J, and CHEN L, "Enhanced cooling capacities of ferroelectric materials at morphotropic phase boundaries”, Appl. Phys. Letts., 98, 242902, 2011.

  • PALLATHADKA KP, HUANG A, SHANNIGRAHI S, "On some properties of PZT–NZF composite films manufactured by hybrid synthesis route”, Ceram. Int., 37, 431, 2011.

  • CHEN W, SHANNIGRAHI S, et al., "Multiferroic behavior and magnetoelectric effect in CoFe2O4/Pb(Zr0.53Ti0.47)O3 thick films”, Solid State Comm., 150, 271, 2010.

  • HUANG A, HANDOKO AD, GOH GKL, PRAMODA KP, SHANNIGRAHI S, "Hydrothermal synthesis of (001) epitaxial BiFeO3 films on SrTiO3 substrate", CrystEngComm, 12, 3806, 2010.

  • HUANG A, SHANNIGRAHI S, HANDOKO AD, TAN HR,"Stress analysis of (001) preferred oriented BiFeO3and Bi(Cr0.03Fe0.97)O3 films", Integrated Ferro. 113, 9, 2009.

  • JANG HM, PARK JH, RYU SW, SHANNIGRAHI S, "Magnetoelectric coupling susceptibility from magnetodielectric effect”, Appl. Phy. Letts., 93, 252904, 2008.

  • JANG HM, PARK JM, RYU S, SHANNIGRAHI S,"Magnetoelectric coupling susceptibility from magnetodielectric effect", Appl. Phys. Letts., 93, 252904, 2008.

  • TAN SY, SHANNIGRAHI S, TAN SH, TAY FEH, "Synthesis and characterization of composite MgFe2O4-BaTiO3 multiferroic system", J. Appl. Phys., 103, 094105, 2008.

  • SHANNIGRAHI S, HUANG A, CHANDRASEKHAR N, TRIPATHY D, and ADEYEYE AO, "Sc modified multiferroic BiFeO3 thin films prepared through a sol-gel process", Appl. Phys. Letts., 90, 022901, 2007.

  • TRIPATHY D, ADEYEYE AO and SHANNIGRAHI S, "Effect of spacer layer thickness on the magnetic and magnetotransport properties of Fe3O4/Cu/Ni80Fe20 spin valve structures", Phys. Rev. B. 75, 012403, 2007.

  • SHANNIGRAHI S, YAO K, and TAY FEH, "Crystallization of sol-gel processed PZT films with low temperatures and short times using UV-assisted rapid thermal annealing", Integrated Ferro., 84, 211, 2006.

  • SHANNIGRAHI S and YAO K, "Effects of WO3 dopant on the structure and electrical properties of Pb0.97La0.03(Zr0.52Ti0.48)O3 thin films", Appl. Phys. Letts., 86, 092901, 2005.

  • YAO K, GAN BK, CHEN M, and SHANNIGRAHI S, "Large photo-induced voltage in a ferroelectric thin film with in-plane polarization", Appl. Phys. Letts., 87, 212906, 2005

  • SHANNIGRAHI S and YAO K, "Structure and properties of WO3-doped Pb0.97La0.03(Zr0.52Ti0.48)O3 ferroelectric thin films prepared by a sol-gel process", J. Appl. Phys., 98, 034104, 2005.

  • SHANNIGRAHI S and YAO K, "Thermal annealing effects on the structural and electrical properties of PMN-PZ-PT ternary thin films deposited by a sol-gel process", J. Eu. Ceram. Soc., 25, 759, 2005.

  • ‘Tunable transparent ceramics nano ink, processing and applications of the same’, SHANNIGRAHI S, Liew SL,  Sharma M; Know-how TD 2018013

  • ‘Electro-optic ceramic materials’, SHANNIGRAHI S, Tan CKI, LIU HF, YAO K; US 2015/0376068 A1

  • ‘Photodarkening ultraviolet protective shield and the method of processing the films of the same’, ‘SHANNIGRAHI S, WANG D, Tan CKI, LIU HF, BERA LK, YAO K, SHARMA M, DALAPATI G; TD: 201461

  • ‘Ultraviolet absorbing nano ceramic ink and processing of the same’, SHANNIGRAHI S, Liew SL, Tan CKI, Kumar JN;  Know-how TD: 2016057

  • Copper based color tunable transparent coating and the method of fabrication the same: Transparent heat rejecting coating with UV filtration DALAPATI GK, SHANNIGRAHI S, SHARMA M; Know-how TD: 2016054

  • ‘Micro-electromechanical devices and methods of fabricating thereof’, YAO K, SONG X, TANG E, HE X, ZHANG J, SHANNIGRAHI S; US 7,596841 B2 

  • Thin Film Photovoltaic Device’, YAO K, SHANNIGRAHI S, CHEN MM, GAN BK; US 2006/0213549 A1

  • ‘Processing of ferrite composites as electromagnetic absorber materials and their utilization for wireless charging devices’, SHANNIGRAHI S, PRAMODA KP, NUGROHO FAA; Know-how TD no 201008

‘Room temperature grown Aluminium doped zinc oxide (AZO) transparent conductor for flexible substrate and glass coating applications’, DA

Last updated on : 03 Apr 2019 04:06 PM