Growth, Spectral, Optical, Electrical and Third Order Nonlinear Optical Properties of Organic Single Crystal: p-Toludinium Fumarate

s. Suresh; v. Seetharaman; R. Mohan Kumar

Volume 5, Issue 1 , 2020, , Pages 1-4

  p-Toludinium fumarate (PTF) a potential organic single crystal was grown by slow evaporation solution growth technique. Single crystal X-ray diffraction study was used to compute the unit cell parameters. The nuclear magnetic resonance spectral study reveals the proton and carbon molecular structure ...  Read More

Structural and optical behavior of Y2O3 nanocrystallites synthesized by sol-gel technique

Rachna Ahlawat

Volume 2, Issue 11 , 2017, , Pages 687-690

  Y2O3 nanocrystallite has been successfully synthesized by sol-gel technique. Y(NO3)3.4H2O and TEOS were used as precursors and obtained powdered form of the oxide. In this study, stepwise annealing process has been performed and obtained almost spherical Y2O3 nanocrystallites. As-prepared sample was ...  Read More

Effect of Mn substitution on structural and magnetic properties of cobalt ferrite

Swati Tapdiya; Ashwani K. Shrivastava; Sarika Singh

Volume 2, Issue 9 , 2017, , Pages 547-551

  Manganese substituted Cobalt Ferrite Co1-xMnxFe2O4() nanoparticles were prepared using low temperature chemical co-precipitation method. All the samples were annealed at 900°C for 3 hours. The crystal lattice symmetry and phase purity were performed by X-ray diffraction (XRD). The varying dopent ...  Read More

Role of doped ZnO nanoparticles as polymer chain segmental motion exciter in PVA-ZnO nanocomposites investigated by dielectric relaxation spectroscopy

Shobhna Choudhary; Ram J. Sengwa

Volume 2, Issue 5 , 2017, , Pages 315-324

  The dielectric and electrical spectra of solution cast prepared nanocomposite films comprising poly(vinyl alcohol) (PVA) as polymer matrix and zinc oxide (ZnO) as inorganic nanofiller (PVA–x wt% ZnO (x = 0, 1, 3 and 5)) have been investigated in the frequency range from 20 Hz to 1 MHz. Anomalous ...  Read More

Nonlinear enhancement of the dielectric properties of PVA-Al2O3 nanocomposites

Ram J. Sengwa; Shobhna Choudhary

Volume 2, Issue 4 , 2017, , Pages 280-287

  Dielectric dispersion and relaxation behaviour of aqueous solution grown polymeric nanocomposite films consisting of poly(vinyl alcohol) (PVA) and alumina (Al2O3) (PVA–x wt% Al2O3 (x = 0, 1, 3 and 5)) have been studied in the frequency range from 20 Hz to 1 MHz by employing dielectric relaxation ...  Read More

Growth, structural, thermal and dielectric studies of a-glycine single crystals grown under the influence of potassium iodide for nonlinear optical applications

Panchatcharam Damodaran; Mani Mahadevan; Pandurangan Anandan; Palanivelu Shanmugha Sundaram; Rajamanickam Rajasekaran

Volume 2, Issue 2 , 2017, , Pages 80-85

  Glycine has the simplest structure among all amino acids. Many attempts have been made to grow different derivative crystals of glycine. However, the title compound was not investigated thoroughly to understand the usability of the crystal for its device application. In the present investigation, using ...  Read More

Optical property and AC conductivity RF sputtered N-doped ZnO thin films

Trilok K. Pathak; L. P. Purohit

Volume 2, Issue 1 , 2017, , Pages 6-9

  ZnO and ZnO:N thin films were deposited on plane glass substrate using RF sputtering method. The crystalline structure and surface morphology of the film was investigated using XRD and SEM. The XRD patterns of ZnO thin films have largest crystalline orientation for the (002) peak and shows wurtzite structure. ...  Read More

Reduced substrate clamping effect and evidence of shape memory behavior in vertically aligned Ni-Mn-In nanorod arrays

Kirandeep Singh; Shuvam Pawar; Davinder Kaur

Volume 2, Issue 1 , 2017, , Pages 10-15

  Silicon integrated vertically aligned Ni-Mn-In nanorod arrays having ~100 nm length were investigated for shape memory behavior and magnetocaloric effect. The room temperature X-ray diffraction (XRD) patterns revealed the (220) oriented pure austenitic cubic phase growth of Ni–Mn–In nanorods. ...  Read More

Study of effect of Fe, Cr and Ti on the martensite phase formation in Cu-12.5 wt% Al-5wt % Mn SMA

Shahadat Hussain; Ashish K. Jain; Md. A. Ansari; Abhishek Pandey; Rupa Dasgupta

Volume 2, Issue 1 , 2017, , Pages 22-25

  Copper based shape memory alloys are studied throughout the world for their high transition temperatures and high thermal stability. Among Copper based shape memory alloys(SMAs), Cu-Al-Mn SMAs have shown good ductility and high transition temperature. Only those alloy systems that can show the formation ...  Read More

Role of pH in the hydrothermal synthesis of phase pure alpha Bi2O3 nanoparticles and its structural characterization

M. Malligavathy; D. Pathinettam Padiyan

Volume 2, Issue 1 , 2017, , Pages 51-55

  Phase pure bismite nanoparticles were successfully prepared by means of hydrothermal method by varying the precursor solution pH from 10 to 13. The as-prepared nanoparticles were characterized by different techniques such as X-ray diffraction pattern (XRD), Raman spectroscopy, Scanning electron microscopy ...  Read More