Magnetic Materials like CMR manganites, Spintronic and Multiferroic Materials, Magnetism in Nano Structured Materials, Room Temperature Ferromagnetic Semiconductors, Diluted Magnetic Semiconductors, UV sensors, Photovoltaic effect in ferroelectrics, thermoelectric materials, lead free piezoelectrics

• Review Article

Lead-free piezoelectrics: current status and perspectives

Indrani Coondoo, Neeraj Panwar, and Andrei Kholkin

Journal of Advanced Dielectrics (Accepted).

1. Synthesis and characterization of lead-free 0.5Ba(Zr0.2Ti0.8)O3-0.5(Ba0.7Ca0.3)TiO3

ceramic: I. Coondoo, Neeraj Panwar, H. Amorín , Miguel Alguero , Andrei Kholkin

J. Applied Physics 113 (2013) 214107.

2. Synthesis and Physical Properties of Ca- and Ta- modified (K,Na)NbO3 lead free

piezoelectric ceramics

I. Coondoo, Neeraj Panwar, R. Rai, H. Amorin , A. L. Kholkin,

Phase Transitions (In Press, http://dx.doi.org/10.1080/01411594.2013.790032).

3. Voltage-dependent domain evolution in La0.89Sr0.11MnO3 single crystals by

Piezoresponse Force Microscopy: Neeraj Panwar, Indrani Coondoo and A. L. Kholkin

Solid State Communications 164 (2013) 38-41.

2012

4. Nanoscale piezoresponse and magnetic studies of multiferroic Co and Pr cosubstituted

BFO thin films

Neeraj Panwar, I. Coondoo, A. Tomar, A. L. Kholkin, V. S. Puli and R. S. Katiyar

Materials Research Bulletin 47 (2012) 4240.

5. Domain growth kinetics in La0.89Sr0.11MnO3 single crystal studied by piezoresponse

force microscopy: Neeraj Panwar, I. K. Bdikin, A.N. Morozovska, and A. L. Kholkin

Journal of Applied Physics 112 (2012) 052019.

6. Nanoscale piezoresponse behavior of cobalt substituted BiFeO3 thin film

Indrani Coondoo, Neeraj Panwar, Igor Bdikin, A. L. Kholkin, Venkata S. Puli and Ram

S. Katiyar: Thin Solid Films 520 (2012)6493.

7. Structural, morphological and piezoresponse studies of Pr and Sc co-doped BiFeO3

Ceramics: I. Coondoo, Neeraj Panwar, I. Bdikin, V. S. Puli, R. S. Katiyar and A. L. Kholkin: J. Phys. D: Applied Physics 45 (2012)055302.

8. Structural, morphological and enhanced ferroelectromagnetic properties of

Ba0.7Ca0.3TiO3/BaFe0.2Ti0.8O3 multiferroic composites

V. S. Puli, I. Coondoo, Neeraj Panwar, A. Srinivas and R. S. Katiyar

J. Appl. Phys. 111(2012) 102802.

9. Temperature dependent magnetic, dielectric studies of Sm-substituted bulk BiFeO3

V. S. Puli, D. K. Pradhan, R. Martinez, I. Coondoo, Neeraj Panwar and R. S. Katiyar:

J. Supercond. Novel Magnetism 25 (2012) 1109.

10. Impedance and dc conductivity studies in wolframium substituted Strontium Bismuth

Tantalate: Indrani Coondoo, Neeraj Panwar, Amit Tomar, A. K. Jha and S. K.

Agarwal; Physica B: Condens. Mater. 407 (2012) 4712.

11. Effect of the grain size on the magnetic phase separation in La0.8Sr0.2MnO3 by

magnetic force microscopy

P. De Sousa, Neeraj Panwar, I. Bdikin, A. L. Kholkin, C.M. Fernandes, and A.M.R. Senos:

Microscopy and Microanalysis 18 (2012) 101.

2011

12. Structural and optical analysis of ZnBeMgO powder and thin films

Neeraj Panwar, J. Liriano, Ram S. Katiyar: J. Alloys and Compounds 509 (2011) 1222.

13. Nanoscale Electromechanical Properties of CaCu3Ti4O12 Ceramics

R. Tararam, I. K. Bdikin, Neeraj Panwar, J. A. Varela, P. R. Bueno, A. L. Kholkin

J. Appl. Phys. 110 (2011) 052019.

14. Transition metal modified bulk BiFeO3 with improved magnetization and linear

magneto-electric coupling:

V. S. Puli, A. Kumar, Neeraj Panwar, I. C. Panwar, R. S. Katiyar;

J. Alloys and Compounds 509 (2011)8223-8227.

15. Room Temperature Ferromagnetism in Co-doped Titania Thin Films

Sudesh Sharma, Sujeet Chaudhary, Neeraj Panwar, S. Kashyap, Dinesh Pandya:

J. Nanoscience and Nanotechnology 11(2011) 2743.

16. Effect of sintering temperature on the structural, dielectric and ferroelectric properties of

tungsten substituted SBT ceramics: Indrani Coondoo, Neeraj Panwar and A. K. Jha,

Physica B: Condensed Matter 406 (2011) 374.

17. A comparative study of oxygen loss on in-situ heating in PrMnO3 and BaMnO3

K. B. Garg, M. Heinonen, P. Nordblad, S. Dalela, Neeraj Panwar, V. Sen, S. K.

Agarwal, and Neha Sharma: Intl. J. Mod. Phys. B 25 (2011) 1235.

18. Ferroelectric and piezoelectric studies on Mo-substituted SrBi2Ta2O9 ferroelectric

ceramics: Indrani Coondoo, Neeraj Panwar, Venkata S. Puli , and R S Katiyar

Integrated Ferroelectrics 125(2011) 1-9.

19. ZnBeMgO thin films based UV Detectors by Spin Coating

Neeraj Panwar, J. Liriano and Ram S. Katiyar MRS Proceedings, 1315(2011) mrsf10-

1315-mm05-03-f05-03 doi:10.1557/opl.2011.775

2010

20. Low field magnetoresistance, temperature coefficient of resistance and

magnetocaloric effect in Pr2/3Ba1/3MnO3: PdO composites

Neeraj Panwar, Indrani Coondoo, S. K. Agarwal: Materials Letters 64 (2010) 2638.

21. Intrinsic and extrinsic transport properties of Pr0.67Ba0.33MnO3: Ag2O composites

Neeraj Panwar, Indrani Coondoo, R. S. Singh and S. K. Agarwal

J. Alloys and Compounds 507 (2010) 439-442.

22. Thermal properties of La2/3Ba1/3(Mn1-xSbx)O3 manganites

Vikram Sen, G. L. Bhalla, Neeraj Panwar, W. K. Syu, N. Kaurav, Y. K. Kuo, Ashok

Rao and S. K. Agarwal Physica B: Condensed Matter 405 (2010)1-4.

23. Structural, electrical and thermal studies of Nb-doped Pr0.7Sr0.3Mn1-xNbxO3 (0 ≤ x ≤

0.03) manganites: S. K. Agarwal, Neeraj Kumar, Neeraj Panwar, B. Gahtori, Ashok

Rao, P. C. Chang and Y. -K. Kuo: Solid State Communication 150(2010)684-688.

24. Structural, dielectric and magnetic properties of Pr substituted Bi1-xPrxFeO3 (0 ≤ x ≤

0.15) multiferroic compounds

N. Kumar, Neeraj Panwar, B. Gahtori, Neelam Singh, H. Kishan and V.P.S. Awana:

J. Alloys and Compounds 501(2010) L29-L32.

25. Effect of W substitution in Strontium Bismuth Tantalate Ferroelectric Ceramics:

Enhanced Ferroelectric properties

Indrani Coondoo, Neeraj Panwar, A. M. Biradar and A. K. Jha

Proceedings 2010 MRS Spring Meeting, 1250 (2010) pp.1250-G16-02.

2009

26. Enhanced room temperature coefficient of resistance and magneto-resistance of Agadded

La0.7Ca0.3-xBaxMnO3:Agx composites

Rahul Tripathi, V. P. S. Awana, Neeraj Panwar, G.L. Bhalla, H. U. Habermier, S. K.

Agarwal, and H. Kishan: Journal of Physics D: Applied Physics 42(2009) 175002.

27. Nano-vanadium Doping-Driven Low Temperature Structural Phase Transformation in

Titania: Anuj Kumar, B. Gahtori, N. Kumar, V.P.S. Awana, A. K. Srivastava, Neeraj

Panwar, H. Kishan and I. Felner:Modern Physics Letters B 23 (2009)3543-3549.

28. Study of Sb substitution for Pr in the Pr0.67Ba0.33MnO3 system

K. B. Garg, P. Nordblad, M. Heinonen, Neeraj Panwar, V. Sen, F. Bondino, E. Magnano, E.

Carleschi, F. Parmigiani and S. K. Agarwal

J. Magnetism and Magnetic Materials 321(2009) 305-311.

2008

29. Magnetotransport, Thermoelectric Power, Thermal Conductivity and Specific Heat of

Pr2/3Sr1/3MnO3 Manganite

Neeraj Panwar, Ashok Rao, R. S. Singh, W. K. Syu, N. Kaurav, Y. -K. Kuo and S. K.

Agarwal: J. Applied Physics, 104 (2008) 083906.

30. Electrical and Thermal Properties of Pr2/3(Ba1-xCsx)1/3MnO3 Manganites

Neeraj Panwar, D. K. Pandya, Ashok Rao, K. K. Wu, N. Kaurav, Y.-K. Kuo and S. K.

Agarwal: European Journal of Physics B, 65 (2008) 179-186.

31. Magneto-transport and Thermal Properties of Pr2/3Ba1/3(Mn1-xSbx)O3 System

S. K. Agarwal, Neeraj Panwar, Vikram Sen and D. K. Pandya

Journal of Physics D: Applied Physics 41(2008) 105004.

32. Thermoelectric Power Studies on (1-x) Pr2/3Ba1/3MnO3+x Ag2O composites

Neeraj Panwar, D. K. Pandya and S. K. Agarwal; J. Physics: Condens. Mat. 20

(2008) 285223.

33. Magnetotransport and Thermoelectric Power of La2/3Sb1/3Mn1-xSbxO3(x=0-0.05)

manganite perovskites

Vikram Sen, Neeraj Panwar, Ashok Rao, C. K. Hsu, Y. K. Kuo and S. K. Agarwal

Solid State Communication, 145 (2008) 86-90.

34. Transport properties of Cs doped Pr2/3(Ba1-xCsx)1/3MnO3 perovskite manganites

Neeraj Panwar, Vikram Sen, D. K. Pandya and S. K. Agarwal

J. Alloys and Compounds, 456 (2008) 479-484.

2007

35. Magneto-transport and magnetization studies of Pr2/3Ba1/3MnO3: Ag2O composite

manganites

Neeraj Panwar, D. K. Pandya and S. K. Agarwal; J. Physics: Condens. Mat. 19

(2007) 456224.

36. Magnetotransport, magnetization and thermoelectric power of Pr2/3Ba1/3MnO3

PdO composite manganites

Neeraj Panwar, D. K. Pandya and S. K. Agarwal

J. Physics D: Applied Physics 40 (2007) 7548-7554.

37. Structural, Electrical and Magnetic Properties of Pr1-xBaxMnO3 (x =0.33- 0.80)

Neeraj Panwar, S. K. Agarwal, G. L. Bhalla, D. Kaur, D. K. Pandya

International Journal of Modern Physics B, 21 (2007) 2647- 2656.

38. Structural, Electrical and Magnetic Properties of Sb-doped Pr2/3Ba1/3MnO3

Perovskite manganites: Vikram Sen, Neeraj Panwar, G. L. Bhalla and S. K. Agarwal

J. Alloys and Compounds, 439 (2007) 205-209.

39. Structural, Magnetotransport and Morphological studies of Sb-doped La2/3Ba1/3MnO3

Ceramic Perovskites:Vikram Sen, Neeraj Panwar, G. L. Bhalla and S. K. Agarwal

J. Physics and Chemistry of Solids, 68 (2007) 1685-1691.

40. Grain Boundary Effects on the Electrical and Magnetic Properties of

Pr2/3Ba1/3MnO3 and La2/3Ca1/3MnO3 Manganites: Neeraj Panwar, Vikram Sen, D. K.

Pandya and S. K. Agarwal; Materials Letters, 61 (2007) 4879-4883.

2006

41. Effect of Mn doping on the Specific Heat of the High TC Superconductor

Y1- xPrxBa2Cu3O7: Ashok Rao, Radhe Shyam, Anirban Das, Rajeev Rawat, Bhaskar

Gahtori, Vikram Sen, Neeraj Panwar, S. K. Agarwal

J. Physics: Conference Series, 43 (2006) 531-534.

1. Comparative Study of Extrinsic and Intrinsic Properties of Perovskite Manganites on

the Basis of Ionic Size Mismatch

Neeraj Panwar: 21st National Symposium on Cryogenics, NPL, New Delhi.

2. Effect of Ga doping on the Resistivity Behaviour of Pr2/3M1/3MnO3 Perovskites

Manganites: Neeraj Panwar, D.K. Pandya and S. K. Agarwal: Souvenir of 17th

Material Research Society of India Conference (2006).

3. Electrical Transport Behaviour of Pr2/3(Ba1-xCsx)1/3MnO3 Perovskites

Neeraj Panwar, D. K. Pandya and S. K. Agarwal

Solid State Physics 50 (2005) 725-726 (Proc. DAE Solid State Physics Symp.).

4. Effect of Ba and Cs on the Resistivity Behaviour of Pr-based Manganites

Neeraj Panwar, Vikram Sen, D. Kaur, D. K. Pandya and S. K. Agarwal

Solid State Physics 49 (2004) 722-723 (Proc. DAE Solid State Physics Symp.).

5. Resistivity Behaviour of Pr2/3M1/3MnO3 (M=Ca, Sr, Ba) Manganite Perovskites

Vikram Sen, Neeraj Panwar, G. L. Bhalla, S. K. Agarwal

Solid State Physics 49 (2004) 724-725 (Proc. DAE Solid State Physics Symp).

International:

1. Magnetoelectric studies of lead free BZT-BCT/CFO/BZT-BCT tri-layered

multiferroic thin films

V. S. Puli, D. K. Pradhan, I. Coondoo, Neeraj Panwar, D. B. Chrisey, G. L.Sharma,

R. S. Katiyar; MRS-spring 2013, USA.

2. Dielectric and Piezoelectric properties of Lead-free K0.44Na0.51Li0.05Nb1-xSbxO3

ceramics: I. Coondoo, Neeraj Panwar, H. Amorín and A. Kholkin

The 8th Asian Meeting on Ferroelectrics (AMF-8), Pattaya, Thailand.

3. Local and bulk Electromechanical Properties of Lead-Free 50BCT-50BZT ceramics:

I. Coondoo, Neeraj Panwar, H. Amorín and A. Kholkin

The 8th Asian Meeting on Ferroelectrics (AMF-8), Pattaya, Thailand.

4. Synthesis and Physical properties of Ca- and Ta- modified (K,Na)NbO3 lead- free

piezoelectric ceramics: I. Coondoo, Neeraj Panwar, H. Amorin, R. Rai, and A. L.

Kholkin; EMRS-2012, Poland.

5. Energy storage studies of lead free BZT-BCT epitaxial thin films grown on MgO

substrate using pulsed laser deposition (PLD)

V. S. Puli, D. K. Pradhan, I. Coondoo, Neeraj Panwar, D. Barrionuevo, N. Ortega,

R. S. Katiyar: MRS-USA, Fall Meeting 2012.

6. Structural, morphological and piezoresponse studies of Bi0.9Pr0.1Fe1-xScxO3 (0 ≤ x ≤

0.07) ceramics: Indrani Coondoo, Neeraj Panwar, I. Bdikin, V. S. Puli, R. S. Katiyar

and A. L. Kholkin: ISAF ECAPD PFM - 2012, Aveiro, Portugal.

7. Scanning Probe Microscopic Studies of Cobalt Substituted Bismuth Ferrite Thin Films

Indrani Coondoo, Neeraj Panwar, I. Bdikin, A. L. Kholkin Venkata S. Puli and R. S.

Katiyar: ISAF ECAPD PFM- 2012, Aveiro, Portugal.

8. Kelvin Force Probe Microscopy Study of Manganites

Neeraj Panwar, I. Coondoo, I. K. Bdikin and A. L. Kholkin

ISAF ECAPD PFM - 2012, Aveiro, Portugal.

9. Domain growth kinetics in La0.89Sr0.11MnO3 single crystal studied by piezoresponse

force microscopy: Neeraj Panwar , I. K. Bdikin and A. L. Kholkin

ISAF ECAPD PFM - 2012, Aveiro, Portugal.

10. Microstructure and electrical properties of Ca- and Ta- modified (K,Na)NbO3 lead-free

piezoelectric ceramics

I. Coondoo, Harvey Amorín , Neeraj Panwar, R. Rai, and A. L. Kholkin

ISAF ECAPD PFM - 2012, Aveiro, Portugal.

11. Scanning probe microscopic studies of lead free BZT-BCT/CFO-BZT/BCT tri-layered

multiferroic thin films: V. S. Puli, D. K. Pradhan, Indrani Coondoo, Neeraj Panwar,

A. Srinivas, D. B. Chrisey, M. Tomozawa, A. L. Kholkin, J. F. Scott, R. S. Katiyar

ISAF ECAPD PFM - 2012, Aveiro, Portugal.

12. Ferroelectric and energy density studies of lead free BZT-BCT thin films

V. S. Puli, Dhiren K. Pradhan, Indrani Coondoo, Neeraj Panwar, D. B. Chrisey, M.

Tomozawa, A. L. Kholkin, J. F. Scott, R. S. Katiyar: ISAF ECAPD PFM - 2012, Aveiro, Portugal.

13. PFM Studies of Bi1-xPrxFe0.95Co0.05O3 Thin Films Derived By Chemical Solution

Deposition Method:Indrani Coondoo, Neeraj Panwar, A. L. Kholkin, Venkata S. Puli,

R. S. Katiyar, ISIF-2011, Cambridge, U. K.

14. Nanoscale Piezoresponse Studies of Charge ordered Manganites

Neeraj Panwar, F. Figueiras, V. S. Amaral, I. Bdikin and A. L. Kholkin

ISAF- 2011, Vancouver, Canada.

15. Bias-induced hysteresis and nanoscale multiferroic properties in [Pr(La)]1-xCaxMnO3

studied by scanning force microscopy

F. Figueiras, V. S. Amaral, Neeraj Panwar, D. Karpinsky, P. Maksimovich, S. V. Kalinin,

A. L. Kholkin: MRS Spring Meeting 2011

16. ZnBeMgO Nanostructured Based UV Detectors by Spin Coating

Neeraj Panwar, Jose Liriano, Ram Katiyar: MRS-USA, Fall Meeting 2010.

17. Mg and Be doped ZnO Ultraviolet photoconductive detector

Jose M. Liriano R, Neeraj Panwar, Ram Katiyar

Int. Symposium on Integrated Functionalities, June 13-16, 2010, San Juan, USA.

18. Growth of ZnBeMgO films by pulsed laser deposition

Neeraj Panwar, Jose Liriano, Venkata S. Puli, Ram S. Katiyar

American Physical Society Meeting, March 14-19,2010, Portland, USA.

19. Dielectric and Magnetic Properties of Bi1-xSmxFeO3 (0 ≤ x ≤1)

R. Melgarejo, Venkata Puli, Neeraj Panwar, Reji Thomas, Ram Katiyar

American Physical Society Meeting, March 14-19, 2010, Portland, USA.

20. Low field Magneto-transport behaviour of Pr2/3Ba1/3MnO3+Ag2O composite

manganites: Neeraj Panwar, D. K. Pandya and S. K. Agarwal

Intl. Conf. on Magnetic Materials, held at NPL, New Delhi.

21. Improvement of Conduction, Magnetotransport and Temperature Coefficient of

Resistance (TCR) in Pr2/3Ba1/3MnO3 + Ag2O Composite Perovskite Manganites

Neeraj Panwar, A. Singhal and S. K. Agarwal

10th International Conference on Advanced Material (ICAM), Bangalore-India.

22. Room Temperature Ferromagnetism in Co-doped Titania Thin Films

Sudesh Sharma, Sujeet Chaudhary, Neeraj Panwar, Subhash Kashyap, Dinesh Pandya;

Int. Conf. on Advanced Materials for Technologies (ICMAT)-2009, Singapore.

1. Enhanced dielectric and ferroelectric properties of donor (W+6, Eu+3) substituted SBT

ferroelectric ceramics: Indrani Coondoo and Neeraj Panwar

Intech Open Access Publisher, Croatia, ISBN 978-953-307-439-9

2. Structural, Morphological, Magneto-Transport and Thermal Properties of Antimony

Substituted (La,Pr)2/3Ba1/3Mn1-xSbxO3 Perovskite Manganites

Neeraj Panwar, Indrani Coondoo, Vikram Sen and S. K. Agarwal

Intech Open Access Publisher, Croatia. ISBN 978-953-307-350-7