<2005

PUBLICATIONS

Publications-2005 and before

2005

1.      “Improved temperature stability of LiNbO3 surface acoustic wave devices with sputtered SiO2 over-layers”, Vinay Gupta, Monika Tomar and K. Sreenivas, Ferroelectrics 329 (2005) 57-60 (0.42).

2.      “Polarized Raman spectra of BaTiO3/SrTiO3 Superlattices”, Ram S. Katiyar, Yu.I. Yuzuk, R.R. Das, P. Bhattacharya and V. Gupta, Ferroelectrics 329 (2005) 3-12 (0.42).

3.      “The ac conductivity and dielectric constant of (006) textured LiNbO3 films”, Vinay Gupta, Monika Tomar, P. Bhattacharya, K. Sreenivas and R.S. Katiyar, Ferroelectric Letters 32 (2005) 125-130 (0.61).

4.      “Piezoelectric properties of non stoichiometric Sr1-xBi2+2x/3Ta2O9 ceramics”, Rajni Jain, Arun Kumar Singh Chauhan, Vinay Gupta and K. Sreenivas, J. Appl. Physics 97 (2005) 124101.1-6 (2.21).

5.      “Dielectric and piezoelectric properties of non stoichiometric Sr1-xBi2+2x/3Ta2O9 ceramics prepared from Sol-gel derived powders”, Rajni Jain, Vinay Gupta and K.Sreenivas, Ferroelectrics 324(2005)153-6 (0.42).

6.      “Temperature stability of ZnO thin film SAW device on fused quartz”, Monika Tomar, Vinay Gupta, K.Sreenivas and Abhai mansingh, IEEE Trans. on device & materials reliability 5 (2005) 494-500 (1.52)

7.      “Temperature stable LiNbO3 SAW device with diode sputtered amorphous TeO2 over-layer”, Namrata Dewan, Monika Tomar, Vinay Gupta and K.Sreenivas, Applied Physics Lett. 86 (2005) 223508.1-3 (3.79).

8.      “Surface plasmon resonance based refractive index sensor for liquids”, Navina Mehan, Vinay Gupta, K. Sreenivas and A. Mansingh, Ind. J. Pure and Appl. Phys., 43 (2005) 854-58 (0.85).

9.      “Electrical properties and dc conductivity of phosphoric acid doped TGS single crystals”, Aparna Saxena, V.Gupta, V. Gulia and K. Sreenivas, Ferroelectrics  323 (2005) 145-149 (0.42).

10.  “Synthesis of photoconducting ZnO nano-needles using unbalanced magnetron sputtered ZnO/Zn/ZnO multilayer structure”, Sanjeev Kumar, Vinay Gupta& K.Sreenivas,Nanotechnology 16(2005)1167-71(3.84)

11.  “Influence of CuO catalyst in the nano scale range on SnO2 surface for H2S gas sensing applications”, Vinay Gupta, S. Mozumdar, Arijit Chowdhuri and K.Sreenivas,  Pramana– J. Phys. 65 (2005) 647-652 (0.56)

12.  “Growth of Zinc oxide nanostructures”, K. Sreenivas, Sanjeev Kumar, Jaya Choudhary and Vinay Gupta, Pramana - J. Phys. 65 (2005) 809-814 (0.56).

 

2004

13.       “Folded acoustic phonons and soft mode dynamics in BaTiO3/SrTiO3 superlattices” Rasmi R. Das, Yu. I. Yuzyuk, P. Bhattacharya, V. Gupta and R.S. Katiyar, Phys. Rev. B. 69 (2004) 132302.1-4 (3.77).

14.      “Response speed of SnO2-based H2S gas sensors with CuO nanoparticles”, Arijit Chowdhuri, Vinay Gupta, K.Sreenivas, Rajeev Kumar, S.Mozumdar and P.K.Patanjali, Appl. Phys. Lett. 84 (2004) 1180-82(3.79)

15.      “Optical waveguiding and birefringence properties of sputtered zinc oxide (ZnO) thin films on glass” Navina Mehan, Monika Tomar, Vinay Gupta and Abhai Mansingh, Optical Materials 27 (2004) 241-48 (1.92).

16.      “Effect of annealing on refractive indices of radio frequency magnetron sputtered waveguiding zinc oxide films on glass” N.Mehan, Vinay Gupta, K.Sreenivas & A.Mansingh, J. Appl. Phys. 96(2004)3134-39 (2.21)

17.      “Growth & characterization of c-axis oriented LiNbO3 film on transparent conducting Al:ZnO interlayer on Si” ,V.Gupta,, P.Bhattacharya,R.S.Katiyar, M.Tomar & K.Sreenivas, J.Mater. Res. 19(2004)2235-39 (1.71)

18.      “Ferroelectric & piezoelectric properties of non-stoichiometric Sr1-xBi2+2x/3Ta2O9 Ceramics prepared from sol-gel derived powder”,R.Jain, V.Gupta, A.Mansingh& K.Sreenivas, Mater.Sc.& Eng.B 112(2004) 54-58(1.85)

19.      “Characterisation of Phosphoric acid doped TGS single crystals”, Aparna Saxena, M.Fahim, Vinay Gupta and K.Sreenivas, J. Crystal Growth 263 (2004) 192-202 (1.55).

 

2003

20.      “Enhanced catalytic activity of ultra-thin CuO islands on SnO2 thin films for fast response H2S gas sensors” Arijit Chowdhuri, Vinay Gupta and K.Sreenivas, J. IEEE Sensors, 3 (2003) 680-86 (1.48).

21.      “Pyroelectric properties of phosphoric acid doped TGS single crystals”, Aparna Saxena, M.Fahim, Vinay Gupta and K.Sreenivas, J. Phys. D: Appl. Phys. 36 (2003) 3168-75 (2.53).

22.  “Influence of spinel substrates on SAW and AO properties of KNbO3 thin film” Ranu Nayak, Vinay Gupta and K.Sreenivas, IEEE Trans. on Ultrasonic Ferro. Freq. control. 50 (2003) 577-84 (1.82).

23.  “Temperature coefficient of elastic constants of SiO2 over-layer on LiNbO3 for a temperature stable SAW device”, Monika Tomar, Vinay Gupta and K. Sreenivas, J. Phys. D: Appl. Phys.36(2003)1773-77 (2.53).

24.  “Optical waveguiding in Tellurium Oxide thin films”, Ranu Nayak, Vinay Gupta, A.L.Dawar and K.Sreenivas, Thin Solid Films 445 (2003) 118-26 (1.60).

25.  “Thickness dependence effects of CuO islands on SnO2 in the nano-scale range for H2S gas sensing applications” Arijit Chowdhuri, Vinay Gupta and K.Sreenivas, Rev. Adv. Mater. Sci. 4 (2003) 75-78 (1.02)

26.  “Fast response H2S gas sensing characteristics with ultra thin Cu islands on sputtered SnO2” Arijit Chowdhuri, Vinay Gupta and K.Sreenivas, Sensors and Actuators B 93 (2003) 572-79 (3.54).

 

1994-2002

 

27.  “H2S gas sensing mechanism in SnO2 films with ultra-thin CuO dotted islands” Arijit Chowdhuri, P.Sharma, Vinay Gupta, K.Sreenivas and K.V.Rao, J. Appl. Phys. 92 (2002) 2172-280 (2.21).

28.  “Temperature stability of c-axis oriented LiNbO3 /SiO2/Si thin film layered structures”, Monika Tomar, Vinay Gupta, A.  Mansingh and K. Sreenivas, J. Phys. D : Appl. Phys. 34 (2001) 2267-73 (2.53).

29.  “Dielectric and Ferroelectric properies of phosphoric acid doped triglycine sulphate Single Crystals”, Aparna Saxena, Vinay Gupta and K. Sreenivas, Materials Science and Engineering B 79 (2001) 91-97 (1.85)

30.  “Enhanced acousto-optic diffraction efficiency in a symmetric SrTiO3/BaTiO3/SrTiO3 thin-film hetrostructures”, Ranu Nayak, Vinay Gupta and Sreenivas K., Appl. Optics 39 (2000) 5847-53 (1.70)

31.  “Sintering characteristics and properties of  Sol Gel derived Si0.8Bi2.4Ta2.0O9 Ceramics”, Rajni Jain, Vinay Gupta, and K.Sreenivas, Materials Science and Engineering B 78 (2000) 63-69 (1.85).

32.  “Dielectric Properties of Sol-Gel derived Barium Strontium Titanate(Ba0.4Sr0.6TiO3) Thin Films”, S.Lahiry, V. Gupta, K.Sreenivas & A.Mansingh, IEEE Trans. Ultrason., Feero. & Freq. Con. 47(2000) 854-60 (1.82).

33.  “Studies on acousto-optic interaction in SrTiO3/BaTiO3/SrTiO3 epitaxial thin film hetrostructures” Ranu Nayak, Vinay Gupta, and K. Sreenivas, J. Phys. D: Appl. Phys., 32 (1999) 380-387 (2.53).

34.  “Surface acoustic wave propagation in PZT/YBCO/SrTiO3 and PbTiO3/YBCO/SrTiO3 epitaxial hetro-structures”, A.Mansingh, R.Nayak, Vinay Gupta and K.Sreenivas, Ferroelectrics 224(1999) 275-282 (0.42).

35.  “DC conductivity of binary and modified transition metal oxide glasses”, Neena Chopra, Vinay Gupta, A. Mansingh and G.K. Chadha, Philosophical Magazine B, 75 (1997) 249-59 (1.92).

36.  “Influence of post-deposition annealing on the structural and optical properties of sputtered Zinc Oxide Film”, Vinay Gupta and Abhai Mansingh, J. Appl. Phys. 80 (1996) 1063-73 (2.21).

37.  “Hopping conduction in insulating rf-sputtered Zinc Oxide Films”, Vinay Gupta and Abhai Mansingh, Physical Review B 49 (1994) 1989-95 (3.77).