18 documents found, page 1 of 2
Nanoindentation and structural studies of MgO-doped congruent LiNbO3 single cry...
Rahman, M.K. Raseel; Riscob, B.; Singh, Budhendra; Bhatt, R.; Bhaumik, Indranil; Ganesamoorthy, S.; Vijayan, N.; Karnal, A.K.; Bdikin, Igor; Nair, LekhaThe mechanical properties of undoped and 2.0, 4.0 and 6.0 mol% Mg-doped LN single crystals, grown by the Czochralski technique, have been investigated using nanoindentation studies to understand the mechanical deformation behaviour as doping is increased. This has been correlated with structural investigations by powder XRD analysis and Raman spectroscopy. Powder X-ray diffraction measurements show a slight inc...
Piezoelectric and ferroelectric properties of various amino acids and dipeptide...
Bystrov, Vladimir; Bdikin, Igor; Singh, BudhendraPiezoelectric and ferroelectric properties of dipeptide nanotubes (PNT) based on phenylalanine (F), alanine (A) and branched-chain amino acids (BCAAs) isoleucine (I), leucine (L) are investigated. Homodipeptides, such as di-isoleucine (II), di-leucine (LL), and heterodipeptides alanine-isoleucine (AI) dipeptides, and di-phenylalanine (FF), are studied by molecular modeling using a quantum-mechanical (QM) ...
Mechanical investigations on piezo-/ferrolectric maleic acid-doped triglycine s...
Hussain, Abid; Sinha, Nidhi; Joseph, Abhilash J.; Goel, Sahil; Singh, Budhendra; Bdikin, Igor; Kumar, BinayThe present work reports the growth and characterization of single crystals of pure triglycine sulphate (TGS) and maleic acid doped triglycine sulfate (MA-TGS). Both the crystals were grown by conventional slow evaporation solution technique. The crystal structure, composition and morphology of both pure TGS and MA-TGS crystals were studied using single crystal and powder X-ray diffraction, scanning electron mi...
Piezoelectric and ferroelectric properties of various amino acids and dipeptide...
Bystrov, Vladimir; Bdikin, Igor; Singh, BudhendraPiezoelectric and ferroelectric properties of dipeptide nanotubes (PNT) based on phenylalanine (F), alanine (A) and branched-chain amino acids (BCAAs) isoleucine (I), leucine (L) are investigated. Homodipeptides, such as di-isoleucine (II), di-leucine (LL), and heterodipeptides alanine-isoleucine (AI) dipeptides, and di-phenylalanine (FF), are studied by molecular modeling using a quantum-mechanical (QM) semi-e...
2nd International Conference on Nanomaterials Science and Mechanical Engineerin...
Bdikin, Igor; Singh, Budhendra; Simões, Raúl2nd International Conference on Nanomaterials Science and Mechanical Engineering: book of abstracts - University of Aveiro, Portugal July 9-12, 2019.
Evaluation of structural, optical and mechanical behaviour of L-argininium bis(...
Sonia, Ms; Vijayan, N.; Vij, Mahak; Yadav, Harsh; Kumar, Ravinder; Sur, Debashish; Singh, Budhendra; Martin Britto Dhas, S.A.; Verma, SunilIn the present technologically advanced era, non-linear optical materials especially organic derivatives are in the limelight due to their fast response in electro-optic switches and high nonlinear efficiency. Therefore, with respect to this behaviour, single crystals of L-argininium Bis(trifluoroacetate) (here in after called LABTF) an organic material was grown by slow evaporation solution growth technique. T...
Mechanical characteristics of gallium sulfide crystals measured using micro- an...
Borisenko, Elena; Borisenko, Dmitrii; Bdikin, Igor; Timonina, Anna; Singh, Budhendra; Kolesnikov, NikolaiGallium sulfide single crystal is a potential material for nonlinear optics. Due to its high non-linearity it can be used as a material for IR and THz frequency converters. In the present work GaS bulk crystals of precise stoichiometry and high quality were melt grown using vertical zone melting. Elementary content of the crystals was tested using electron probe microanalysis, phase composition and unit cell pa...
Structural, optical, thermal, mechanical and dielectric studies of Sulfamic aci...
Singh, Budhendra; Shkir, Mohd.; AlFaify, S.; Kaushal, Ajay; Nasani, Narendar; Bdikin, Igor; Shoukry, H.; Yahia, I. S.; Algarni, H.Sulfamic acid is a potential material that exhibits excellent optical properties. A good quality, pure and dysprosium (Dy3+) doped (2.5 and 5 mol %) Sulfamic acid (SA) single crystals were grown successfully by slow cooling method. Structural study revealed a slight change in its lattice parameters and volume, suggesting the successful incorporation of Dy3+ in crystal system. The existence of dysprosium in the ...
The structural and optical constants of Ag2S semiconductor nanostructure in the...
Zamiri, Reza; Ahangar, Hossein Abbastabar; Zakaria, Azmi; Zamiri, Golnoosh; Shabani, Mehdi; Singh, Budhendra; Ferreira, J. M. F.Background: In this paper a template-free precipitation method was used as an easy and low cost way to synthesize Ag2S semiconductor nanoparticles. The Kramers-Kronig method (K-K) and classical dispersion theory was applied to calculate the optical constants of the prepared samples, such as the reflective index n(omega) and dielectric constant epsilon(omega) in Far-infrared regime. Results: Nanocrystalline Ag2S...
Effect of Ni doping on structural and optical properties of Zn1-xNixO nanopowde...
Singh, Budhendra; Kaushal, Ajay; Bdikin, Igor; Saravanan, K. Venkata; Ferreira, J. M. F.Zn1-xNixO nanopowders with different Ni contents of x = 0.0, 0.04 and 0.08 were synthesized via cost effective sonochemical reaction method. X-ray diffraction (XRD) pattern reveals pure wurtzite phase of prepared nanostructures with no additional impurity peaks. The morphology and dimensions of nanoparticles were investigated using scanning electron microscope (SEM). A sharp and strong peak for first order opti...