.

 

Publications In International Peer Reviewed Journals

2017  
53 Karthik Thangavelu, Saket Asthana, “Enhanced mechanical and ferroelectric properties through Grain size refinement in site specific substituted lead free Na0.5-xKxBi0.5TiO3 (x = 0 - 0.10) ceramics” Mater. Lett. 190 (2017) 273.

 

52 Ganga Prasad K, Manish K. Niranjan, Saket Asthana, “The electrical properties and relaxation behavior of AgNb1/2Ta1/2O3 ceramic” Phyisca B: Condensed Matter 506 (2017) 42.

 

51

·         K Ganga Prasad , Manish K. Niranjan, Saket Asthana, “Electronic structure, vibrational and thermoelectric properties of AgTaO3: A first-principles study” J. Alloys and Comp. 696 (2017) 1168.

 

50 V. Madhav Kumar, A. Srinivas, A. Talapatra, Saket Asthana, J. Mohanty, S. V. Kamat, “Effect of deposition temperature on structural, microstructural and magnetic properties of CoFe2O4 thin films deposited by pulsed laser deposition” J Mater Sci: Mater Electron 28 (2017) 446

 

2016  

 

49.

·         Subir Roy, Rajlaxmi Maharana, S. Rangaswamy,  Sarabjit Singh, Pawan Kumar, T. Karthik, Saket Asthana, V.V. Bhanu Prasad, Samir Kamat, “Structural, ferroelectric and piezoelectric properties of chemically processed, low temperature sintered piezoelectric BZT-BCT ceramics” Mater. Res. Express. 3 (2016) 035702

 

48.

·         Sudarshan Vadnala, Prem Pal, Saket Asthana “Investigation of near room temperature magnetocaloric, magnetoresistance and bolometric properties of Nd0.5La0.2Sr0.3MnO3: Ag2O manganites” J Mater Sci: Mater Electron. 27 (2016) 6156.

 

47. Ganga Prasad K, Manish K. Niranjan, Saket Asthana, R. Karthikeyan "Raman modes and Born-effective charges in AgNb1/2Ta1/2O3: A density-functional and Raman scattering study" J. Am.Ceram. Soc.  99 (2016) 332.

 

2015

 

 
46. Manmohan Sahu, Karthik Thangavelu, Adiraj Srinivas Saket Asthana “Structural and microstructural correlation with ferroelectric and dielectric properties of nanostructured Na0.5Bi0.5TiO3 ceramics” J Mater Sci: Mater Electron.26 (2015) 9746.

      

45. Karthik Thangavelu, Saket Asthana, “Monoclinic Cc-phase stabilization in magnetically diluted lead free Na1/2Bi1/2TiO3-Evolution of spin glass like behavior with enhanced ferroelectric and dielectric properties” Mater. Res. Express. 2 (2015) 096301

      

44. Karthik Thangavelu, T Durga Rao,Adiraj Srinivas, Saket Asthana, “Effect of local strain fields on the structural, Neel transition temperature and long range ferroelectric ordering in rare earth substituted Bi0.9R0.1FeO3 multiferroic ceramics (where, R = Gd3+, Tb3+, Dy3+)” J Mater Sci: Mater Electron. 26 (2015) 8676

      

43. Sudarshan Vadnala,  Prem Pal, Saket Asthana, “Influence of A-site cation disorder on structural and magnetocaloric properties of Nd0.7-xLaxSr0.3MnO3 (x = 0.0, 0.1, 0.2 & 0.3)” J. Rare Earths 33 (2015)1072

      

42. Manish K. Niranjan, K.Ganga Prasad, Saket Asthana, S. Rayaprol, V.Siruguri, “Investigation of structural, vibrational and ferroic properties of AgNbO3 at room temperature using Neutron diffraction, Raman Scattering and Density-functionaltheory” J. Phys. D: Applied Phys. 48 (2015) 215303

      

41. T Durga Rao, Saket Asthana, Manish K. Niranjan, “Observation of coexistence of ferroelectric and antiferroelectric phases in  Sc substituted BiFeO3”, J. Alloys and Comp. 642 (2015) 192

      

40. A Srinivas, R.V. Krishnaiah, V.L. Niranjani, S.V. Kamat, T. Karthik and Saket Asthana“Ferroelectric, piezoelectric and mechanical Properties In Lead Free (0.5) Ba(Zr0.2Ti0.8)O3 – (0.5) (Ba0.7Ca0.3)TiO3Electroceramics”, Ceramics International41 (2015) 1980.

      

39. J. Paul Praveen, T. Karthik, A.R. James, E. Chandrakala, Saket Asthana, Dibakar Das, “ Effect of poling process on piezoelectric properties of sol–gel derived BZT–BCT ceramics”, J. Eur. Ceram. Soc. 35 (2015) 1785.

 

2014

 

 
38. T. Durga Rao and Saket Asthana, “Evidence of improved ferroelectric phase stabilization in Nd and Sc co-substituted BiFeO3 J. Appl. Phys.116 (2014) 164102.

             

37. Sudarshan Vadnala, T. Durga Rao , Prem Pal, Saket Asthana, “Study of structural effect on Eu-substituted LSMO manganite for high temperature coefficient of resistance” Phyisca B: Condensed Matter. 448 (2014) 277.

 

36. T Durga Rao, Asmitha Kumari, Manish K. Niranjan, Saket Asthana, “Enhancement of magnetic and electrical properties in Sc substituted BiFeO3 multiferroic” Phyisca B: Condensed Matter. 448 (2014) 267.

 

35. T Durga Rao, R Ranjith , Saket Asthana, “Enhanced magnetization and improved insulating character in Eu substituted BiFeO3 J. Appl. Phys.  115 (2014) 124110.

 

34. Saket Asthana, Kohei Fujiwara and Hidekazu Tanaka, “Electrical switching to probe complex phases in a frustrated manganite” Solid State Commun 187 (2014) 64.

 

33. R.V. Krishnaiah, A. Srinivas, S.V. Kamat, T. Karthik, Saket Asthana, “Effect of CoFe2O4 mole percentage on Multiferroic and Magnetoelectric properties of Na0.5Bi0.5TiO3/CoFe2O4particulate composites” Ceramics International 40 (2014) 7799.

 

32. Karthik Thangavelu, Ranjith Ramadurai, and Saket Asthana, “Evidence for the suppression of intermediate anti-ferroelectric ordering and observation of hardening mechanism in Na1/2Bi1/2TiO3ceramics through cobalt substitution”, AIP Advances 4 (2014) 017111.

 

31. J. Paul Praveen, Kranti Kumar, A.R. James , T. Karthik , Saket Asthana , Dibakar Das, “Large piezoelectric strain observed in sol-gel derived BZT-BCT ceramics”, Current Applied Physics 14(2014) 396.

 

2013

 

 
30. T. Karthik, Saket Asthana, “Evolution of multifunctional behavior in site specific cation substituted Na0.5Bi0.45Gd0.05Ti0.95Mn0.05O3 ceramics”J. Korean Phys Soc. 62 (2013) 1979.  

 

29. Manish K. Niranjan, T. Karthik, Saket Asthana, Jaysree Pan, and Umesh V. Waghmare, “Theoretical and experimental investigation of Raman modes, ferroelectric and dielectric properties of relaxor Na0.5Bi0.5TiO3”, J. Appl. Phys.  113 (2013) 194106. (top 25% most downloaded articles published in the Journal of Applied Physics)

 

28. T. Durga Rao, T. Karthik, Saket Asthana, “Investigation of structural, magnetic and optical properties of rare earth substituted bismuth ferrite”, J. Rare Earths, 31 ( 2013) 370.

 

27.

     Sudarshan Vadnala,  Saket Asthana, Prem Pal, and S. Srinath, “Influence of Nd Substitution by La in Nd0.7Sr0.3MnO3 on Structural and Transport Properties for Sensing Applications”, ISRN Materials Science, (2013), Article ID 728195.

 

2012

 

 
26. J-F. Letard, Saket Asthana, H.J. Shepherd, P. Guionneau, A. Goeta,  N. Suemura, R. Ishikawa and S. Kaizaki  “ Photomagnetism of a sym-cis Dithiocyanato Iron(II) complex with a tetradentate N,N’-bis(2-pyridylmethyl) 1,2-ethanediamine ligand” Chem. Eur. J. 18 (2012) 5924 (Cited as “ Hot topicsin Magnetic Materials by Wiley” http://www.wiley-vch.de/util/hottopics/magnetic/).

 

25. Manish K. Niranjan and Saket Asthana, “Theoretical investigation of lead free piezoelectric AgNbO3and Ag(K)NbO3 solid solutions”  Solid State Commun., 152 (2012)  1707.

 

24. A Srinivas, R. V. Krishnaiah, T. Karthik, P. Suresh, Saket Asthana and S.V. Kamat, “Observation of Direct and Indirect Magnetoelectricity in Lead Free –Ferroelectric (Na0.5Bi0.5TiO3) – Magnetostrictive (CoFe2O4) Particulate Composite”, Appl. Phys. Lett. 101(2012) 082902.

 

23. T. Durga Rao, T. Karthik, Adiraj Srinivas and Saket Asthana “Study of Structural, Magnetic and Electrical properties on Ho – substituted BiFeO3”, Solid State Commun. 152 (2012) 2071.

 

2011

 

 
22. M.Clemente-Leon, Eugenio Coronado, M.Lopez-Jorda, Cedric Desplanches, Saket Asthana, H. Wang and J-F Letard, “A hybrid magnet with coexistence of ferromagnetism and photoinduced Fe(III) spin-crossover” Chem. Sci., 2, ( 2011) 1121.

 

21. Saket Asthana, “Effect of Cobalt substitution on magnetic and transport properties of Nd0.5Sr0.5Mn1-xCoxO3(x=0.1,0.3 and 0.5)” , Bull. Mater.Sci. , 34, (2011) 279.

 

2010

 

 
20. Suzanne M. Neville, Céline Etrillard,  Saket Asthana and Jean-François Létard, “ Light-Induced stored information in nanoparticles Eur. J. Inorg. Chem. Issue 2 (2010) 282.  

 

19. Chaitali Biswas, Michael G. B. Drew, Saket Asthana, Cédric Desplanches and Ashutosh Ghosh, “Mono-aqua-bridged dinuclear complexes of Cu(II)  containing NNO donor Schiff base ligand: Hydrogen-bond-mediated exchange coupling” J. Molecular Structure 965 (2010) 39.

 

18.  Sushil K. Misra, Sergey I. Andronenko, Saket Asthana and Dhirendra Bahadur, “ A variable temperature EPR study of the manganites (La1/3Sm2/3)2/3SrxBa0.33-xMnO3,(x = 0.0, 0.1, 0.2, 0.33): Small polaron hopping conductivity and Griffiths phase” J.Magn. Magn. Mater.  322 (2010) 2902.

 

17. G. Dupouy, S. Triki, M. Marchivie, N. Cosquer, Carlos J. Gomez-Garcia, S. Pillet, E-E. Bendeif, C. Lecomte, Saket Asthana, and J-F Letard, “Cyanocarbanion-Based Spin-Crossover Materials: Photocrystallographic and Photomagnetic Studies of a New Iron (II) Neutral Chain”, Inorg. Chem.,49 (20) (2010) 9358.

 

2009

 

 
16. R. Pritchard, H. Lazar, S.A. Barrett, C.A. Kilner, Saket Asthana, J-F. Letard and M. A. Halcrow, “Thermal and Light-Induced Spin-Transitions in Iron(II) Complexes of 2,6-Bis(4-halopyrazolyl)pyridines – the Influence of Polymorphism on a Spin-Crossover Compound , Dalton Trans. issue 33 (2009) 6656.

 

15. M. Clemente-León, E. Coronado, M. Carmen Giménez-López, Francisco M. Romero, Saket Asthana, Cédric Desplanches, Jean-François Létard, “Structural, Thermal and Photomagnetic Properties of Spin Crossover [Fe(bpp)2]2+-based Salts bearing [Cr(L)(ox)2] Anions”, Dalton Trans. issue 38 (2009) 8087.

 

2008

 

 
14. Saket Asthana, A.K.Nigam,  S.K Malik and D.Bahadur, “Lattice effect on the magnetic and magneto-transport properties of (La1/3Sm2/3)0.67Ba0.33-xSrxMnO3 (x = 0.0, 0.1, 0.2 and 0.33) compounds”, J. Alloys and Compds. 450 (2008) 136.

 

2007

 

 
13. D.Bahadur, Saket Asthana, C. Carbonera, C. Desplanches and J-F. Létard "Magnetic and photomagnetic Studies in Nd0.7Sr0.3CoO3", Solid State Commn.. 142 (2007) 132.

 

12. Saket Asthana and D. Bahadur,  "Structural, magnetic and magneto transport studies on the (La2/3Sm1/3)0.67Ba0.33-xSrxMnO3 (x = 0, 0.1, 0.2 and 0.33) manganites",  J. Phys.D: Applied Phys.40 (2007) 1839.

 

11. Saket Asthana and D. Bahadur , Corrigendum on "Structural, magnetic and magneto transport studies on the (La2/3Sm1/3)0.67Ba0.33-xSrxMnO3 (x = 0, 0.1, 0.2 and 0.33) manganites",   J. Phys.D: Applied Phys. 40 (2007) 2614.

 

10. Saket Asthana, J. Dho and D. Bahadur, “Weak charge order behaviour in phase separated (Ln2/3Sm1/3)2/3Ca1/3MnO3 manganites”, Solid State Commn. 143 (2007) 522.

 

9. Saket Asthana, J. Dho and D. Bahadur, “Effects of A-site ionic size variation on the magnetic and transport properties of (PrxSm1-x)2/3Sr1/3MnO3 (0 £ x £ 1)”, phys. stat. sol. (b) 244, (2007) 4542.

 

8. Saket Asthana, D. Bahadur and C. M. Srivastava, Erratum to "Small polarons as charge carriers in the transport of (La1/3Sm2/3)0.67Ba0.33-xSrxMnO3 (x = 0, 0.1, 0.2 and 0.33)",  Physica B: Condensed Matter . 396 232 ( 2007).

 

2006

 

 
7. Saket Asthana, D. Bahadur and C. M. Srivastava, "Small polarons as charge carriers in the transport of (La1/3Sm2/3)0.67Ba0.33-xSrxMnO3 (x = 0.0, 0.1, 0.2 and 0.33)", Phyisca B: Condensed Matter371 (2006) 241. 

 

6. Saket Asthana, A.K. Nigam and D. Bahadur, “Magnetic and magneto-transport properties of (LaxSm1-x)2/3Sr1/3MnO3 (x = 1/3, 1/2 and 2/3) manganites” phys. stat. sol. (b) 243 (2006) 1922 .

 

2005

 

 
5. J. Giri, T. Sriharsha, Saket Asthana, T. K. Gundu Rao, A. K. Nigam, D.Bahadur, "Synthesis of capped nano sized Mn1-xZnxFe2O4, (0≤x≤0.8) by microwave refluxing for bio-medical applications",J.Magn. Magn. Mater. 293 (2005) 55.

 

4. Saket Asthana, A.K. Nigam and D. Bahadur, "Effect of Cobalt substitution on magneto-transport properties of Nd0.7Sr0.3Mn1- xCoxO3 (0.0 ≤ x ≤ 1.0)" J. Appl. Phys.  97 (2005) 10C101.

 

3. Saket Asthana, D. Bahadur, A.K. Nigam and S.K. Malik, "Electronic phase separation in (La1/3Sm2/3)2/3A1/3MnO3 (A = Ca, Sr and Ba) compounds" J. Appl. Phys.  97 (2005) 10H711.

 

2004

 

 
2. C.M. Srivastava, R.K. Dwivedi, Saket Asthana, A. K. Nigam and D. Bahadur, “Effect of Cr substitution on transport and magnetic ordering in Nd0.50Sr0.50Mn1-xCrxO3(0.001≤x≤ 0.20)", J. Magn. Magn. Mater284 (2004) 239.

 

1. Saket Asthana, D. Bahadur, A.K. Nigam and S.K. Malik, "Magneto-transport studies on (Pr1/3Sm2/3)2/3A1/3MnO3 (A = Ca, Sr and Ba) compounds", J. Phys: Conden. Matter16 (2004) 5297.