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Prof. Piyush Ranjan Das  [Physics]

Piyush Ranjan Das
Name : Prof. Piyush Ranjan Das
Designation : Professor
Phone No. : +91 9438047597
Email Id : prdas63@gmail.com, prdas63@yahoo.com
Date of Joining : 05-06-2014
  • Qualification

    Ph.D. (IIT Kharagpur)
  • Specialization

    Condensed Matter Physics
  • Experience

    DATA TO BE UPDATED...
  • Subject Teaching

    Graduate Level

    : Engineering Physics Theory & Lab

    Post Graduate Level

    : Condensed Matter Physics-I, Physics Lab
  • Research Area

    DATA TO BE UPDATED...
  • Research Guidance

    Ph. D. Candidates

    : 04 Awarded & 03 Submitted

    M. Tech. Candidates

    :
  • Awards & Honours

    DATA TO BE UPDATED...
  • Members of Professional Bodies

    DATA TO BE UPDATED...
  • Sponsored Projects & Consultancy
    (01)

    1.Design and Development of Bismuth Ferrites Based Multiferroic Polymer Nanocomposites for Multifunctional Applications (Ongoing), Lett No: ERIP/ER/1102202/M/01/1438
  • Publications (
    International Publications:
    111,
    Conferences:
    10)

    International Publications

    1.Piyush R. Das, B.K. Samantray and R. N. P. Choudhary: Diffuse Phase Transition in Na2Pb2R2W2Ti4V4O30 (R= Gd, Eu) ferroelectric ceramics, J. Phys. Chem. Solids, 68 (4) (2007) 516- 522.
    2.Piyush R. Das, B.K. Samantray and R.N.P. Choudhary: Diffuse ferroelectric phase transition in Na2Pb2Sm2W2Ti4 Nb4O30 ceramics, Mater. Chem. Phys, 101 (1) (2007) 228-233.
    3.Piyush R. Das, B.K. Samantray and R. N. P. Choudhary: Diffuse ferroelectric phase transition in Na2Pb2Nd­2W2Ti4Nb4O30 ceramic, J. Alloys Comp, 448 (1-2) (2008) 32-37.
    4.Piyush R. Das, B. Behera, B.K. Samantray and R. N. P. Choudhary:  Ferroelectric properties of Na2Pb2R2W2Ti4V4O30 (R=Dy, Pr) ceramics, Res. Lett. Mat. Sc Vol 2007 Article Id- 91796.
    5.Piyush R. Das, L. Biswal, B. Behera and R.N.P. Choudhary: “Structural and Electrical Properties of Na2Pb2Eu2W2Ti4X4O30 (X = Nb, Ta) Ferroelectric Ceramics”. Mater. Res. Bull. 44 (6) (2009) 1214-1218.
    6.Piyush R. Das,S. Behera and P. Nayak: Structural and Electrical Properties of Na2Pb2Sm2W2Ti4Ta4O30 Ferroelectric Ceramics, Int. J. Mater. Sc. 5 (5) (2010) 739-746.
    7.Piyush R. Das, L. Biswal, B. N. Parida and Banarji Behera: Diffuse Ferroelectric Phase transition in Na2Pb2Pr2W2Ti4Nb4O30 Ceramic, Int. J. Mater. Sc. 5 (5) (2010) 759-767. 
    8.Dillip K. Pradhan, Banarji Behera, Piyush R. Das,: Studies of dielectric and electrical properties of a new type of complex tungsten bronze electroceramics , J. Mater. Sci. Mater. Electron. 23(3) (2011) 779-785.
    9.L Biswal, Piyush R. Das and Banarji Behera: Dielectric anomaly in Na2Pb2Dy2W2Ti4Nb4O30 ceramic, Asian J. Phys. 21 (2012) 165-170.
    10.S. Behera, Piyush R. Das,P. Nayak and R.N.P. Choudhary: “Synthesis and characterization of Na2Pb2Y2W2Ti4Ta4O30 ferroelectric ceramic” Asian J. Phys. 21 (2012) 179-186.
    11.Piyush R. Das,B.Pati, B. C. Sutar and R.N.P. Choudhary, “Electrical Properties of Complex Tungsten Bronze Ferroelectrics: Na2Pb2R2W2Ti4V4O30  (R= Gd, Eu) Adv. Mater. Lett. 3(1) (2012) 8-14.
    12.B. N. Parida, Piyush R. Das,R. Padhee and R.N.P. Choudhary:“A New Ferroelectric Oxide Li2Pb2Pr2W2Ti4Nb4O30: Synthesis and Characterization”J. Phys. Chem. Solids 73 (12) (2012) 713-719
    13.R. Padhee, Piyush R. Das, B. N. Parida and R.N.P. Choudhary: “Structural, dielectric and electrical properties of dysprosium based new complex electroceramics” J. Mater. Sci. Mater. Electron. 23 (9) (2012) 1688-97.
    14.B. N. Parida, Piyush R. Das,R. Padhee and R.N.P. Choudhary, "Synthesis and Characterization of a Tungsten Bronze Ferroelectric Oxide” Adv. Mater. Lett. 3 (3) (2012) 231-238.
    15.B. N. Parida, Piyush R. Das,R. Padhee and R.N.P. Choudhary, “Ferroelectric and pyroelectric properties of rare earth based tungsten–bronze compoundsJ. Mater. Sci. Mater. Electron. 24 (1) (2012) 305-316.
    16.Piyush R. Das,B.Pati, B. C. Sutar and R.N.P. Choudhary: Study of structural and electrical properties of a new type of complex tungsten bronze electroceramics; Li2Pb2Y2W2Ti4V4O30 J. Modern Phys. 3 (8) (2012) 870-880.
    17.B. N. Parida, Piyush R. Das,R. Padhee and R.N.P. Choudhary: “Phase Transition and Conduction Mechanism of Rare Earth Based Tungsten-Bronze Compounds” J. Alloys Comp. 540 (2012) p267-274.
    18.R Padhee, Piyush R. Das, Bichitrananda Parida, R N P Choudhary: "Dielectric and pyroelectric properties of niobium based complex tungsten bronze ferroelectrics" J. Mater. Sci. Mater. Electron. 24 (2) (2013) 799-806.
    19.B. N. Parida, Piyush R. Das,R. Padhee and R.N.P. Choudhary: “Phase Transition in Tungsten Bronze Li2Pb2Nd2W2Ti4Nb4O30 Ferroelectric” Phase Transition 86 (8) (2013) 778-785.
    20.S. Behera, B. N. Parida, Piyush R. Dasand P. Nayak: “Synthesis and Characterization of Na2Pb2Pr2W2Ti4Ta4O30” J. Mater. Sci. Mater. Electron. 24 (4) (2013) 1132-1140.
    21.L. Biswal, Piyush R. Das, Banarji Behera, R.N.P.Choudhary: “Structural, dielectric and conductivity studies of Na2Pb2La2W2Ti4Nb4O30 ferroelectric ceramic" J. Electroceramics 29 (3) (2012) 204-210.
    22.Piyush R. Das, S. Behera, R Padhee, P. Nayak: “Studies of Dielectric and Electrical Properties of Na2Pb2La2W2Ti4Ta4O30 Electroceramics" J. Adv. Ceram. 1 (3) (2012) 232-240.
    23. R. Padhee, Piyush R. Das, B.N. Parida, R N P Choudhary: “Structural, dielectric and pyroelectric properties of praseodymium based complex tungsten bronze ferroelectrics” Ferroelectrics 437 (1) (2012) 160-170.
    24.Piyush R. Das, R. Padhee, B.N. Parida, R. N. P. Choudhary: “Synthesis and Characterization of Complex Ferroelectric Oxide” J. Adv. Dielectric. 2 (4) (2012) 1250024.
    25.B. N. Parida, Piyush R. Das, R. Padhee and R.N.P. Choudhary: “Structural, Dielectric and Electrical properties of Li2Pb2La2W2Ti4Nb4O30 Ceramic” Bull. Mater. Sci. 36 (5) (2013) 883-892.
    26.R. Padhee, Piyush R. Das, B. N. Parida, R N P Choudhary: “Electrical and Pyroelectric properties of Lanthanum based  Niobate” J. Phys. Chem. Solids 74 (2)  (2013) 377-385.
    27.S. Pattanayak, B.N. Parida, Piyush R. Das, R.N.P. Choudhary: Impedance Spectroscopy of Gd-doped BiFeO3 Multiferroics” Appl. Phys. A 112 (2) (2013) 387-395.
    28.B. Pati, B.C. Sutar, B. N. Parida, Piyush R. Das, R.N.P. Choudhary: “Dielectric and impedance spectroscopy of barium orthovanadate ceramics” J. Mater. Sci. Mater. Electron. 24 (5) (2013) 1608-1616.
    29.R. Padhee, Piyush R. Das, Bichitrananda Parida, R N P Choudhary: “Electrical and Pyroelectric properties of K2Pb2Gd2W2Ti4Nb4O30 ferroelectrics” J. Electronic Materials 42 (3) (2013) 426-437.
    30.B. C. Sutar, B.Pati, B. N. Parida Piyush R. Das, , and R.N.P. Choudhary: “Dielectric and Impedance characteristics of Ba(Bi0.5Nb­)O3 ceramics” J. Mater. Sci. Mater. Electron. 24 (6) (2013) 2043-2051.
    31.R.N.P. Choudhury, B. Pati, Piyush R. Das, R. R.Dash, A. Paul: “Development of Electronic and Electrical Materials from Indian Ilmenite” J. Electronic Materials 42 (4) (2013) 769-782.
    32.R. Padhee, Piyush R. Das, B.N. Parida, S. Behera, R N P Choudhary: “Dielectric and Electrical Properties of a Tungsten Bronze Tantalate Ceramic” Curr. Appl. Phys. 13 (6) (2013) 1014-1020.
    33.Piyush R. Das, R. Padhee, B.N. Parida, R N P Choudhary: "Electrical properties of Na2Pb2R2W2Ti4V4O30 (R= Dy, Pr) ceramics" J. Adv. Ceram. 2 (2) (2013) 112-118
    34.Piyush R. Das, R. Padhee, B.N. Parida, R N P Choudhary: “Diffuse ferroelectric phase transition in Li2Pb2Dy2W2Ti4V4O30” Phase Transition 86 (12) (2013) 1267-1272.
    35.S. Pattanayak, Piyush R. Das, R.N.P. Choudhary: "Effect of Gd-substitution on Phase transition and Conduction Mechanism of BiFeO3" J. Mater. Sci. Mater. Electron. 24 (8) (2013) 2767-2771.
    36.B. Pati, R.N.P. Choudhury, Piyush R. Das, B. N. Parida, R.Pahee: “Dielectric and Impedance Spectroscopy of Barium Orthoniobate Ceramic” J. Electronic Materials 42 (6) (2013) 1225-1234.
    37.S. Pattanayak, Piyush R. Das, R.N.P. Choudhary: “Ferroelectric and Ferromagnetic properties of Gd-modified BiFeO3” J. Magnetism Magnetic Mater. 341 (2013) 158-164.
    38.S. C. Panigrahi, Piyush R. Das, B. N. Parida, H. B. K. Sharma, R.N.P. Choudhary: "Effect of Gd on Dielectric and Transport Properties of Lead Zirconate Titanate Ceramics." J. Mater. Sci. Mater. Electron. 24 (2013) 3275-3283.
    39.S. Dash, R. Padhee, Piyush R. Das, R.N.P. Choudhary: "Enhancement of Dielectric and Electrical Properties of NaNbO3-Modified BiFeO3" J. Mater. Sci. Mater. Electron. 24 (9) (2013) 3315-3323.
    40.S. Behera, Piyush R. Das,B. N. Parida, P. Nayak and R.N.P. Choudhary: “Structural and Electrical Properties of Li2Pb2Sm2W2Ti4Ta4O30 ceramics” Adv. Mater. Lett. 5 (3) (2014) 143-147.
    41.A. Mekap, Piyush R. Das and R.N.P. Choudhary: “Dielectric and electrical properties of ZnSb2O4 ceramics” Adv. Mater. Lett. 5 (3) (2014) 152-156.
    42.B.C. Sutar, Piyush R. Das and R.N.P. Choudhary: “Synthesis and Electrical Properties of Sr(Bi0.5V0.5)O3 Electroceramic” Adv. Mater. Lett. 5 (3) (2014) 131-137.
    43.B. N. Parida, Piyush R. Das, R. Padhee and R.N.P. Choudhary: "Dielectric and Pyroelectric Properties of La and Pr modified-Tungsten-Bronze Ferroelectrics", J. Electronic Materials 42 (8) (2013) 2587-94.
    44.S. Dash, R. Padhee, Piyush R. Das, R.N.P. Choudhary: “DIELECTRIC AND IMPEDANCE SPECROSCOPY OF (Bi0.5Li0.5)(Fe0.5Nb0.5)O3 MULTIFERROICS” Phase Transition 87 (3) (2014) 223-235.
    45.S. Pattanayak, R.N.P. Choudhary, Piyush R. Das: “Effect of Sm-Substitution on Structural, Electrical and Magnetic Properties of BiFeO3” Electronic Mater. Lett. 10 (1) (2014) 165-172.
    46.B. Pati, R.N.P. Choudhury and Piyush R. Das: “Phase Transition and Electrical Properties of Strontium Orthovanadate” J. Alloys Comp. 579 (2013) 218-226.
    47.B. N. Parida, Piyush R. Das, R. Padhee and R.N.P. Choudhary: "Ferroelectric, Pyroelectric and Electrical Properties of New Tungsten Bronze Tantalate" Curr. Appl. Phys. 13 (9) (2013) 1880-1888.
    48.B. Pati, Piyush R. Das, R.N.P. Choudhury: “Studies of dielectric, pyroelectric and conduction mechanism of Sr3Ta2O8” Ceramic International 40 (1) (2013) 2201-2208.
    49.R. Padhee, Piyush R. Das, Bichitrananda Parida, R N P Choudhary: “Double Phase Transitions in K2Pb2Sm2W2Ti4Nb4O30 Ferroelectrics" J. Mater. Sci. Mater. Electron. 24 (11) (2013) 4522-4529. 
    50.J. Rout, R. Padhee, Piyush R. Das and R.N.P. Choudhary: “Structural, Dielectric and Electrical Propertiesof BiFeW2O9 Ceramics” Advances in Applied Physics 1 (3) (2013) 105 – 116.
    51.A. Mekap, Piyush R. Das and R.N.P. Choudhary: “Dielectric, Magnetic and Electrical Properties of ZnFe2O4 Ceramics” J. Mater. Sci. Mater.Electron. 24 (12) (2013) 4757-4763.
    52.B. N. Parida, Piyush R. Das, R. Padhee and R.N.P. Choudhary: “Impedance Analysis in Li2Pb2R2W2Ti4Nb4O30 (R= Y, Eu) Ceramics” J. Mater. Sci. Mater. Electron. 24 (12) (2013) 4798-4806.
    53.B.C. Sutar, Piyush R. Das, R. Padhee and R.N.P. Choudhary: “Ferroelectric Phase transition and Electrical properties of Ba(Bi0.5Ta0.5)O3 J. Electroceramics 32 (2-3) (2014) 154-162.
    54.B. N. Parida and Piyush R. Das: “Synthesis and Characterization of a New Ferroelectric Oxide Li2Pb2Pr2W2Ti4Ta4O30” J. Alloys Comp. 585 (2014) 234-239.
    55.S. Pattanayak, R.N.P. Choudhary, Piyush R. Das: "Effect of Praseodymium on Electrical Properties of BiFeO3 Multiferroic" J. Electronic Materials 43 (2) (2014)470-478.
    56.R.N.P. Choudhury, Piyush R. Das, R. R.Dash, B. Pati, Subhashree Swain: “Development of Electronic Materials from Industrial Waste Red Mud” J. Mater. Sci. Mater. Electron. 25 (1) (2014) 202-216.
    57.A. Mekap, Piyush R. Das and R.N.P. Choudhary: “Dielectric and Electrical Properties of LaGaO3 Ceramics” J. Advances in Physics 3(2) (2014) 212-219.
    58.J. Rout, B.N. Parida, Piyush R. Das and R.N.P. Choudhary: "Structural, Dielectric and Electrical Properties of BiFeWO6 ceramic", J. Electronic Materials 43 (3) (2014) 732-739.
    59.S. Pattanayak, R.N.P. Choudhary, Piyush R. Das: "Ferroelectric and magnetic characteristics of Sm-modified BiFeO3 multiferroics" Canadian J. Phys. 92 (5) (2014) 440-447.
    60.B.C. Sutar, Piyush R. Das, and R.N.P. Choudhary: “Dielectric and Impedance Spectroscopy of Sr(Bi0.5Nb0.5)O3 ceramics” Ceramic International 40 (6) (2014) 7791-7998.
    61.B. Pati, R.N.P. Choudhury, Piyush R. Das, B.N. Parida and R. Padhee: “Pyroelectric and dielectric properties of lead-free ferroelectric Ba3Nb2O8 ceramic” J. Alloys Comp. 592 (2014) 6-11.
    62.S. Pattanayak, R.N.P. Choudhary, Piyush R. Das and S.R. Shannigrahi: “Effect of Dy-substitution on structural, electrical and magnetic properties of multiferroic BiFeO3 ceramics” Ceramic International 40 (6) (2014) 7983-7991.
    63.A. Mohapatra, R.N.P. Choudhary, Piyush R. Das: "Structural and Electrical Properties of Bi5Ti3FeO15 ceramics" J. Mater. Sci. Mater. Electron. 25 (3) (2014) 1348-1353.
    64.R. Padhee, Piyush R. Das, Bichitrananda Parida, R N P Choudhary: “Impedance analysis of K2Pb2X2W2Ti4Nb4O30 (X=Nd, Y) tungsten bronze ceramics” J. Korean Physical Soc. 64 (7) (2014) 1022-1030.
    65.C. Behera, Piyush R. Das, and R.N.P. Choudhary: “Structural and Electrical Properties of La modified BFO-BT Composites” J. Mater. Sci. Mater. Electron. 25 (5) (2014) 2086-2095.
    66.S. C. Panigrahi, Piyush R. Das, B.N. Parida, R. Padhee and R.N.P. Choudhary:"Dielectric and electrical properties of gadolinium-modified lead-zirconate-titanate system" J. Alloys Compounds 604 (2014) 73-82.
    67.B.N. Parida, Piyush R Das, R Padhee, S. Behera, R N P Choudhary: "Structural, Dielectric and Electrical Properties of a new Tungsten Bronze Ferroelectric Ceramics" J. Mater. Sci. Mater. Electron. 25 (6) (2014) 2618-2626.
    68.R.Padhee and Piyush R. Das: “Electrical properties of complex tungsten bronze ceramics” Phase Trans. 87 (9) (2014) 865-880.
    69.A. Mekap, Piyush R. Das and R.N.P. Choudhary: "Dielectric and Impedance Spectroscopy of ZnWO4 Electroceramics" J. Electronic Materials 43 (9) (2014) 3527-3533.
    70.R.N.P. Choudhary, C. Behera, Piyush R. Das and R.R. Das: "Development of Bismuth-Based Electronic Materials from Indian Red Mud" Ceram. Int. 40 (8) (2014) 12253-12264.
    71.Samita Pattanayak, R.N.P. Choudhary, Piyush R. Das: “Studies of electrical conductivity and magnetic properties of Bi1-xGdxFeO3 multiferroics” J. Adv. Dielectric 4 (2) (2014) 1450011.
    72.B.C. Sutar, R.N.P. Choudhary and Piyush R. Das,: "Dielectric and Impedance Spectroscopy of Barium Bismuth Vanadate Ferroelectrics" J. Electronic Materials 43 (7) (2014) 2621-2630.
    73.C. Behera, Piyush R. Das, and R.N.P. Choudhary: "Structural and Electrical Properties of Mechanothermally Synthesized NiFe2O4 Nanoceramics" J. Electronic Materials 43 (9) (2014) 3539-3549.
    74.C. Behera, Piyush R. Das, and R.N.P. Choudhary: “Structural, Dielectric and Impedance Spectroscopy of (Bi0.3La0.2Ba0.5)(Fe0.5Ti0.5)O3 Adv. Sci. Lett. 20 (3-4) (2014) 626-630.
    75.S. Pattanayak, R.N.P. Choudhary, Piyush R. Das: “Structural, Electrical and Magnetic Properties of Bi0.75Dy0.25FeO3 Ceramics” Adv. Sci. Lett. 20 (3-4) (2014) 654-659.
    76.B.N. Parida, Piyush R Das, R Padhee and R N P Choudhary: “Structural and Electrical Properties of Rare Earth modified Tungsten Bronze Niobates” Adv. Sci. Lett. 20 (3-4) (2014) 689-692.
    77.R. Padhee, Piyush R. Das, B. N. Parida, R N P Choudhary: “Pyroelectric Properties of K2Pb2Dy2W2Ti4Nb4O30 tungsten bronze ceramic” Adv. Sci. Lett. 20 (3-4) (2014) 737-740.
    78.S. Behera, Piyush R. Das , P. Nayak and R. Padhee: “Modulus spectroscopy and Conductivity Studies of Rare Earth based Tungsten Bronze Ceramics” Adv. Sci. Lett. 20 (3-4) (2014) 804-808.
    79.B.C. Sutar, R.N.P. Choudhary, Piyush R. Das and B. Pati: “Ferroelectric Phase Transition and Conduction Mechanism of Ba(Bi0.5Nb0.5)O3” Adv. Sci. Lett. 20 (3-4) (2014) 857-861.
    80.Piyush R. Das,B. C. Sutar, B.Pati and R.N.P. Choudhary: “Structural and Electrical properties of complex tungsten bronze ferroelectrics; Li2Pb2La2W2Ti4V4O30” Ferroelectrics 467 (1) (2014) 50-66.
    81.L. Biswal, Piyush R. Das and B. Behera: “Frequency dependent electrical properties of   Na2Pb2R2W2Ti4Nb4O30 (R=Nd, Sm) ceramics” J. Adv. Ceram. 3 (3) (2014) 215-223.
    82.B.C. Sutar, R.N.P. Choudhary and Piyush R. Das: “Dielectric and Impedance Spectroscopy of Sr(Bi0.5Ta0.5)O3 Electroceramics” J. Mater. Sci. Mater. Electron. 25 (10) (2014) 4278-4285.
    83.S. Pattanayak, R.N.P. Choudhary, Piyush R. Das: “A comparative study of structural, electrical and magnetic properties rare-earth (Dy and Nd)-modified BiFeO3” J. Mater. Sci. Mater. Electron. 25 (9) (2014) 3962.
    84.B. Pati, R.N.P. Choudhury, Piyush R. Das: “Pyroelectric response and conduction mechanism in highly crystallized ferroelectric Sr3(VO4)2 ceramic“ J. Electronic Materials 44 (1) (2015) 313-319.
    85.B.N. Parida, Piyush R Das, R. Padhee, D. Suara, A. Mishra, J. Rout and, R. N. P. Choudhary: “Synthesis and characterization of (Bi0.5Ba0.5) (Fe0.5Ti0.5)O3 Ceramic” Mater. Res. Bull. 61 (2015) 544-550.
    86.S. Dash, R.N.P. Choudhary, Piyush R. Das and A. Kumar: “Effect Of KNbO3 Modification on Structure, Electrical and Magnetic Properties Of BiFeO3” Appl. Phys. A 118 (3) (2015) 1023-1031.
    87.S. Dash, A. Kumar, Piyush R. Das, R.N.P. Choudhary: “Structural, Dielectric and Multiferroic Properties of (Bi0.5K0.5) (Fe0.5Nb0.5)O3” Canadian J. Phys. 93 (7) (2015) 738-744.
    88.C. Behera, Piyush R. Das, and R.N.P. Choudhary: “Size effect on electrical and magnetic properties of mechanically alloyed CoFe2O4 nanoferrite” J. Mater. Sci. Mater. Electron. 26 (4) (2015) 2343-2356.
    89.B. Pati, R.N.P. Choudhury, Piyush R. Das, B.C. Sutar : “Dielectric response and pyroelectric properties of lead-free ferroelectric Ba3(VO4)2” J. Adv. Dielectrics 5(1)  (2015) 1550006.
    90.A. Mohapatra, Piyush R. Das and R.N.P. Choudhary: "Structural and Electrical Properties of La Modified Bi5Ti3FeO15 ceramics" J. Mater. Sci. Mater. Electron. 26 (5) (2015) 3035-3043.
    91.Piyush R. Das, R. Padhee, B.N. Parida, R N P Choudhary: “Structural and Dielectric Properties of Na2Pb2Nd2W2Ti4V4O30 Ferroelectric Ceramics” Indian J. Phys. 90 (2) (2016) 155-162.
    92.C. Behera, Piyush R. Das, and R.N.P. Choudhary: “Size dependent Electrical and Magnetic Properties of Mechanically-Activated MnFe2O4 Nanoferrite” Ceram. Int. 41 (10) (2015) 13042-13054.
    93.B.N. Parida, Piyush R Das, R Padhee, and R N P Choudhary: “Ferroelectric phase transition and conduction mechanism of Li2Pb2La2W2Ti4Ta4O30” J. Mater. Sci. Mater. Electron. 27 (1) (2016) 342-350.
    94.C. Behera, R.N.P. Choudhary and Piyush R. Das: “Structural, dielectric, impedance and magneto-electric properties of mechanically synthesized (Bi0.5Ba0.25Sr0.25) (Fe0.5Ti0.5) O3 nanoelectronic system” Mater. Res. Express 3 (9) (2016) 035005
    95.A. Mekap, Piyush R. Das and R.N.P. Choudhary: “Non-linear Electrical Characteristics of ZnO Modified by Trioxides Sb2O3, Bi2O3, Fe2O3, Al2O3 and La2O3” J. Electronic Materials 45 (8) (2016) 4338-4349.
    96.Aparajita Mohapatra, Piyush R. Das and R.N.P. Choudhary: “Structural and electrical properties of Bi2La3Ti3FeO15 ceramics” J. Mater. Sci. Mater. Electron. 27 (1) (2016) 436-443.
    97. A. Mohapatra, Piyush R. Das and R.N.P. Choudhary: “Structural and electrical properties of Bi3La2Ti3FeO15 ceramics” J. Mater. Sci. Mater. Electron. 27 (9) (2016) 9136-9142.
    98.B.N. Parida, N. Panda, R Padhee, Piyush R. Das and R N P Choudhary: “Dielectric Relaxation and Impedance Analysis of Ferroelectric double Perovskite Pb2BiNbO6” J. Mater. Sci. Mater. Electron. 28 (2) (2017) 1824-1831.
    99.C. Behera, R.N.P. Choudhary and Piyush R. Das: “Development of multiferroic polymer nanocomposite from PVDF and (Bi0.5Ba0.25Sr0.25)(Fe0.5Ti0.5)O3” J. Mater. Sci. Mater. Electron. 28 (3) (2017) 2586-2597.
    100.S. Behera, Piyush R. Das,  P.Nayak, S. K. Patri: “Structural and Electrical properties of Na2Pb2Dy2W2Ti4Ta4O30 Ceramics” J. Electronic Materials 46 (2) (2017) 1201-1209.
    101.Saparjya S, S. Behera, B. Behera and Piyush R. Das: “Structural and Electrical Properties of a new lead free Tungsten Bronze Ferroelectric Ceramics Na2Ba2Eu2W2Ti4Nb4O30” J. Mater. Sci. Mater. Electron. 28 (4) (2017) 3843-3850.
    102.R. Padhee, B.N. Parida, Piyush R. Das, R N P Choudhary:  "Dielectric and electrical properties of lanthanum modified electroceramics" Ferroelectrics 507 (1) (2017) 109-120.
    103.C. Behera, R.N.P. Choudhary and Piyush R. Das: “Development of Multiferroism in PVDF with CoFe2O4 Nanoparticles",
    J. Polymer Research 24:56 (2017).
    104.C. Behera, R.N.P. Choudhary and Piyush R. Das: “Development of Ni-Ferrite Based PVDF Nanomultiferroics" J. Electronic Materials 46 (10) (2017) 6009-6022.
    105.B. C. Sutar, Biswajit Pati, Piyush R. Das, R.N.P. Choudhary: “Studies on structural and electrical properties in highly crystallized lead-free ferroelectric Ba(Bi0.5Ta0.5)O3” Ferroelectrics 518 (1) (2017) 42-51.
    106.S.C. Panigrahi, Piyush R. Das, R.N.P. Choudhary and R. Padhi: “Effect of Gd on Dielectric and Piezoelectric properties of Lead Zirconate Titanate Ferroelectric Ceramics” Ferroelectrics 524 (1) (2018) 14-19.
    107.S. K. Mohanty, B. Behera, B.N. Parida, Piyush R. Das:“Spontaneous, high temperature and spectroscopic characterization of K0.5Bi0.5TiO3 -NaVO3 ceramic" J. Alloys. Comp. 743 (2018) 428-436.
    108.C. Behera, R.N.P. Choudhary and Piyush R. Das: “Structural, Electrical and Multiferroic Characteristics of Thermo-mechanically Fabricated BiFeO3-(BaSr)TiO3 Solid Solutions" Mater. Res. Express 5_056301(2018).
    109.S.C. Panigrahi, Piyush R. Das and R.N.P. Choudhary: “Ferroelectric studies for soft Gd- modified PZT ceramics" Phase Transition 91 (7) (2018) 703-714.
    110.S. K. Mohanty, B. Behera, B. Pati, Piyush R. Das: “Electricalandoptical properties of lead-free 0.15(K0.5Bi0.5TiO3)-0.85 NaNbO3 solid solution” J. Mater. Sci. Mater. Electron. 29 (2018) 12269- 12277.
    111.S.K. Mohanty, H.S. Mohanty, B. Behera, D. P. Datta, S. Behera. Piyush R. Das: “Influence of NaNbO3 on the structural, optical and dielectric properties of 0.05(K0.5Bi0.5TiO3)-0.95(NaNbO3) composites ceramics” J. Mater. Sci. Mater. Electron. 30 (2019) 5833-5844.

    Conferences

    1.Piyush R. Das, R.N.P. Choudhary and B.K. Samantaray: “Complex Impeadance Spectroscopy of Na2Pb2La2W2Ti4Nb4O30 Ceramics”, Proceedings of National Seminar on Ferroelectrics and Dielectrics (NSFD) 2004, p.187.
    2.Piyush R. Das, R.N.P. Choudhary and B.K. Samantaray : “Structural and Dielectric Properties of some Tungsten Bronze Niobate”, Proceedings of National Seminar on Advances in Electroceramics (NSAE) 2006, p.176.
    3.Piyush R. Das, R.N.P. Choudhary and B.K. Samantaray : Structural and Dielectric Properties of Li2Pb2Nd2W2Ti4V4O30 Ferroelectric Ceramics, XIVth National Seminar on Ferroelectrics and Dielectrics (NSFD), 18-21, Dec. 2006, Indian Institute of Technology, Kharagpur, West Bengal.
    4.Piyush R. Das, S. Behera, and P. Nayak: “Structural and Ferroelctric Properties of Na2Pb2Nd2W2Ti4Ta4O30 Ceramic”, National Seminar on Ferroelectrics and Dielectrics (NSFD-XVI) 2-4, Dec. 2010, AIP Conference Proceeding 1372 (2011) pp24-28.
    5.Piyush R. Das, B. N. Parida, R. Padhee, and R. N. P. Choudhary: “Impedance and Modulus Analysis of Na2Pb2Pr2W2Ti4V4O30” National Seminar on Ferroelectrics and Dielectrics (NSFD-XVI) 2-4, Dec. 2010, AIP Conference Proceedings 1372 (2011) pp.142-146.
    6.R. PadheeP. R. Das, B. N. Parida, and R. N. P. Choudhary: “Structural and dielectric properties of a complex tungsten bronze ferroelectric” AIP Conference Proceedings 1461 (2012) p 312. International Workshop on Functional Materials (IWFM-2011) Dec. 20-22, 2011
    7.L. BiswalPiyush R. Das, and Banarji Behera: “Study of complex impedance spectroscopic properties of Na2Pb2Pr2W2Ti4Nb4O30 Ceramic”  AIP Conference Proceedings 1461 (2012) p 294. International Workshop on Functional Materials (IWFM-2011) Dec. 20-22, 2011.
    8.S. C. Panigrahi,  Piyush R. Das and R.N.P. Choudhary: “Complex Impedance Analysis of Dy-modified PZT Ceramics” National Seminar on Recent Trend in Physics & 33rd Annual Convention of Orissa Physical Society, 13-14, Feb 2016, Department of Physics, Maharshi College of Natural Law, Bhubaneswar.ISBN No. 978-93-81692-07-0
    9.B. Pati, B.C. Sutar, Piyush R. Das and R.N.P. Choudhary: “Ferroelectric Phase Transition and Conduction Mechanism in lead-free Sr3(TaO4)2”,  National Seminar on Recent Trend in Physics & 33rd Annual Convention of Orissa Physical Society, 13-14, Feb 2016, Department of Physics, Maharshi College of Natural Law, Bhubaneswar. ISBN No. 978-93-81692-07-0
    10.L. Biswal,    Piyush R. Dasand B. Behera: “Frequency Dependent Transport Properties of Na2Pb2La2W2Ti4Nb4O30 Ceramics” AIP Conference Proceedings 1832, 110052 (2017); http://doi.org/10.1063/1.4980676, DAE SOLID STATE PHYSICS SYMPOSIUM 2016, 26-30, December 2016, KIIT, Bhubaneswar. ISBN: 978-0-7354-1500-3
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