109 citations
Counting papers with at most 25 authors, so collaboration author lists do not stand in for the people here.
- Council of Scientific and Industrial ResearchIN58 papers
- CSIR National Physical Laboratory of IndiaIN39 papers
- National Chemical LaboratoryIN16 papers
- Jawaharlal Nehru UniversityIN10 papers
- Central Glass and Ceramic Research InstituteIN5 papers
- Indian Institute of Science BangaloreIN5 papers
- National Physical LaboratoryGB4 papers
- Ramakrishna Mission Vivekananda Educational and Research InstituteIN3 papers
- TCG CrestIN3 papers
- UGC DAE Consortium for Scientific ResearchIN3 papers
- University of DelhiIN3 papers
- Amity UniversityIN2 papers
15 papers · 1 filter
Superconductivity below 2.5K in Nb0.25Bi2Se3 topological insulator single crystal
M. M. Sharma, P. Rani, Lina Sang +2
We report crystal growth and below 2.5K superconductivity of Nb0.25Bi2Se3. These crystals are grown by self flux method. The X-ray diffraction (XRD) pattern of as grown crystal fla…
Ultrafast Spectroscopy of Bi2Se3 Topological Insulator
P. Sharma, D. Sharma, N. Vashistha +4
We investigate the ultrafast transient absorption spectrum of Bi2Se3 topological insulator. Bi2Se3 single crystal is grown through conventional solid-state reaction routevia self-f…
Hikami-Larkin-Nagaoka (HLN) Fitting of Magneto Transport of Bi2Se3 Single Crystal in Different Magnetic Field Ranges
Deepak Sharma, P. Rani, P. K. Maheshwari +5
We report the detailed study of structural micro-structuraland high magnetic field magneto transport propertiesof Bi2Se3single crystal. Bi2Se3 single crystal is grown through conve…
NbOx based memristor as artificial synapse emulating short term plasticity
Sweety Deswal, Ashok Kumar, Ajeet Kumar
Memristors can mimic the functions of biological synapse, where it can simultaneously store the synaptic weight and modulate the transmitted signal. Here, we report Nb/Nb2O5/Pt bas…
Growth of SiO2 microparticles by using modified Stober method: Effect of ammonia solution concentration and TEOS concentration
Shrestha Bhattacharya, Aishik Basu Malick, Mrinal Dutta +3
The unique structural features and suitability of the SiO2 micro particles in different application areas have mobilized a worldwide interest in the last few decades. In this repor…
Performance limitation of Si Nanowire solar cells: Effects of nanowire length and surface defects
Deepika Bora, Shrestha Bhattacharya, Nitin Kumar +6
In Si nanowire (SiNW) solar cells enhanced light confinement property in addition to decoupling of charge carrier collection and light absorption directions plays a significant rol…
Structural, Surface Morphology and Magneto-Transport properties of Self Flux Grown Eu Doped Bi2Se3 Single Crystal
Rabia Sultana, Ganesh Gurjar, Bhasker Gahtori +2
Here, we report the effect of europium (Eu) doping in Bi2Se3 topological insulator (TI) by using different characterization techniques viz. X-ray diffraction (XRD), scanning electr…
Flux Free Single Crystal Growth and Detailed Physical Property Characterization of Bi1-xSbx (x = 0.05, 0.1 and 0.15) Topological Insulator
Rabia Sultana, Ganesh Gurjar, Bhasker Gahtori +2
Here, we report the crystal growth, physical and transport properties of Bi1-xSbx (x = 0.05, 0.1 and 0.15) topological insulator. Single crystals of Bi1-xSbx (x = 0.05, 0.1 and 0.1…
Friction-mediated flow and jamming in a two-dimensional silo with two exit orifices
Ashish V. Orpe, Pankaj Doshi
We show that the interparticle friction coefficient significantly influences the flow and jamming behavior of granular materials exiting through the orifice of a two-dimensional si…
Substrate mediated nitridation of niobium into superconducting Nb2N thin films for phase slip study
Bikash Gajar, Sachin Yadav, Deepika Sawle +4
Here we report a novel nitridation technique for transforming niobium into hexagonal Nb2N which appears to be superconducting below 1K. The nitridation is achieved by high temperat…
Tin Titanate: the hunt for a new ferroelectric perovskite
J. Gardner, Atul Thakre, Ashok Kumar +1
We review all the published literature and show that there is no experimental evidence for homogeneous tin titanate SnTiO3 in bulk or thin-film form. Instead a combination of unrel…
Spin-dependent scattering induced negative magnetoresistance in topological insulator Bi2Te3 nanowires
Biplab Bhattacharyya, Bahadur Singh, R. P. Aloysius +7
Studies of negative magnetoresistance in novel materials have recently been in the forefront of spintronic research. Here, we report an experimental observation of the temperature…
Substrate Mediated Synthesis of Ti-Si-N Nano-and-Micro Structures for Optoelectronic Applications
Sachin Yadav, Alka Sharma, Bikash Gajar +7
Being one of the strongest materials, ternary TiSiN exhibits a very interesting family of binary transition metal nitride and silicide systems. A novel technique to fabricate morph…
Controlled inter-state switching between quantized conductance states in resistive devices for multilevel memory
Sweety Deswal, Rupali R. Malode, Ashok Kumar +1
A detailed understanding of quantization conductance (QC), their correlation with resistive switching phenomena and controlled manipulation of quantized states is crucial for reali…
Novel synthesis of topological insulator based nanostructures (Bi2Te3) demonstrating high performance photodetection
Alka Sharma, T D Senguttuvan, V N Ojha +1
The rapid progress in 2D material research has triggered the growth of various quantum nanostructures-nanosheets, nanowires, nanoribbons, nanocrystals and the exotic nature origina…