School of Material Science and Technology: Recent submissions

Now showing items 21-40 of 128

Nanomedicine and versatile therapies for cancer treatment

Shukla, Aparna; Maiti, Pralay (John Wiley and Sons Inc, 2022-09)

The higher prevalence of cancer is related to high rates of mortality and morbidity worldwide. By virtue of the properties of matter at the nanoscale, nanomedicine is proven to be a powerful tool to develop innovative drug ...
Ingenious Fabrication of Ag-Filled Porous Anodic Alumina Films as Powerful SERS Substrates for Efficient Detection of Biological and Organic Molecules

Liu, Chih-Yi; Ram, Rahul; Kolaru, Rahim Bakash; Jana, Anindya Sundar; Sadhu, Annada Sankar; Chu, Cheng-Shane; Lin, Yi-Nan; Pal, Bhola Nath; Chang, Shih-Hsin; Biring, Sajal (MDPI, 2022-10)

urface-enhanced Raman scattering (SERS) has been widely used to effectively detect various biological and organic molecules. This detection method needs analytes adsorbed onto a specific metal nanostructure, e.g., ...
Poly (itaconic acid) functionalized lignin/polyvinyl acetate composite resin with improved sustainability and wood adhesion strength

Ghosh, Tuhin; Elo, Timo; Parihar, Vijay Singh; Maiti, Pralay; Layek, Rama (Elsevier B.V., 2022-11-01)

In this current scenario, there is a broad range of use of resins in both domestic and industrial applications. Especially the importance of resins for adhesive in the wood industry is inevitable. But most of the commercially ...
Tunable photoluminescence and energy transfer of Eu3+,Ho3+-doped Ca0.05Y1.93-xO2 nanophosphors for warm white LEDs applications

Dwivedi, Arpita; Srivastava, Monika; Srivastava, Amit; Upadhyay, Chandan; Srivastava, Sanjay Kumar (Nature Research, 2022-12)

A series of Eu3+ ions doped Ca0.05Y1.93-xO3:0.02Ho3+ (CYO:Ho3+,xEu3+) nanophosphors having multicolour tuneability have been synthesised by following a simplistic solution combustion approach. The synthesised samples have ...
Nanoscale inhomogeneity of charge density waves dynamics in La2−xSrxNiO4

Campi, Gaetano; Bianconi, Antonio; Joseph, Boby; Mishra, Shrawan Kr; Müller, Leonard; Zozulya, Alexey; Nugroho, Agustinus Agung; Roy, Sujoy; Sprung, Michael; Ricci, Alessandro (Nature Research, 2022-12)

While stripe phases with broken rotational symmetry of charge density are known to emerge in doped strongly correlated perovskites, the dynamics and heterogeneity of spatial ordering remain elusive. Here we shed light on ...
Nanoscale inhomogeneity of charge density waves dynamics in La2−xSrxNiO4

Campi, Gaetano; Bianconi, Antonio; Joseph, Boby; Mishra, Shrawan Kr; Müller, Leonard; Zozulya, Alexey; Nugroho, Agustinus Agung; Roy, Sujoy; Sprung, Michael; Ricci, Alessandro (Nature Research, 2022-12)

While stripe phases with broken rotational symmetry of charge density are known to emerge in doped strongly correlated perovskites, the dynamics and heterogeneity of spatial ordering remain elusive. Here we shed light on ...
Antisite disorder and Berry curvature driven anomalous Hall effect in the spin gapless semiconducting Mn2CoAl Heusler compound

Shahi, Nisha; Jena, Ajit K; Shukla, Gaurav K; Kumar, Vishal; Rastogi, Shivani; Dubey, K.K; Rajput, Indu; Baral, Sonali; Lakhani, Archana; Lee, Seung-Cheol; Bhattacharjee, Satadeep; Singh, Sanjay (American Physical Society, 2022-12-21)

Spin gapless semiconductors exhibit a finite band gap for one spin channel and a closed gap for another spin channel, and they have emerged as a new state of magnetic materials with a great potential for spintronic ...
Antisite disorder and Berry curvature driven anomalous Hall effect in the spin gapless semiconducting Mn2CoAl Heusler compound

Shahi, Nisha; Jena, Ajit K; Shukla, Gaurav K; Kumar, Vishal; Rastogi, Shivani; Dubey, K.K; Rajput, Indu; Baral, Sonali; Lakhani, Archana; Lee, Seung-Cheol; Bhattacharjee, Satadeep; Singh, Sanjay (American Physical Society, 2022-12-21)

Spin gapless semiconductors exhibit a finite band gap for one spin channel and a closed gap for another spin channel, and they have emerged as a new state of magnetic materials with a great potential for spintronic applications. ...
Solution processed low-voltage metal-oxide transistor by using TiO2/Li–Al2O3 stacked gate dielectric

Pal, Nila; Pandey, Utkarsh (Springer, 2022-04)

A solution processed top-contact bottom-gated SnO2 thin-film transistor (TFT) has been fabricated using a TiO2/Li–Al2O3 bilayer stacked gate dielectric that show operating voltage of this TFT within 2.0 V. It is observed ...
In-situ grown nanoscale p-n heterojuction of Cu2S-TiO2 thin film for efficient photoelectrocatalytic H2 evolution

Singh, S V; Gupta, U; Biring, S; Mukherjee, B; Pal, B A (Elsevier B.V., 2021-12-07)

Nanoscale heterojuction thin film of Cu2S-TiO2 has been grown by sol-gel technique and has been employed for efficient H2 production through water splitting. This nanoscale heterojunction has been grown in three steps which ...
Short- and medium-range structure of multiferroic Pb(Fe 1/2Nb1/2)O3 studied using neutron total scattering analysis

Jeong, I.-K.; Ahn, J.S.; Kim, B.G.; Yoon, S.; Singh, S.P.; Pandey, D. (2011-02-11)

We performed neutron total scattering analysis on multiferroic Pb(Fe 1/2Nb1/2)O3 (PFN) from 300 K to 75 K and present the evolution of short- and medium-range atomic structures across the antiferromagnetic transition, ...
Antiferrodistortive phase transition in pseudorhombohedral (Pb 0.94Sr0.06)(Zr0.550Ti0.450)O 3

Solanki, R.S.; Mishra, S.K.; Senyshyn, A.; Ishii, I.; Moriyoshi, C.; Suzuki, T.; Kuroiwa, Y.; Pandey, D. (2012-11-30)

The controversies about the structure of the true ground state of pseudorhombohedral compositions of Pb(ZrxTi1-x)O 3 (PZT) are addressed using a 6% Sr2+ substituted sample with x = 0.550. Sound velocity measurements reveal ...
Structural changes and ferroelectric properties of BiFeO3 - PbTiO3 thin films grown via a chemical multilayer deposition method

Gupta, S.; Garg, A.; Agrawal, D.C.; Bhattacharjee, S.; Pandey, D. (2009)

Thin films of (1-x) BiFeO3 -x PbTiO3 (BF-xPT) with x≈0.60 were fabricated on Pt/Si substrates by chemical solution deposition of precursor BF and PT layers alternately in three different multilayer configurations. These ...
Absence of morphotropic phase boundary effects in BiFeO3- PbTiO3 thin films grown via a chemical multilayer deposition method

Gupta, S.; Bhattacharjee, S.; Pandey, D.; Bansal, V.; Bhargava, S.K.; Peng, J.L.; Garg, A. (2011-07)

We report an unusual behavior observed in (BiFeO3)1-x -(PbTiO3) x (BF-xPT) thin films prepared using a multilayer chemical solution deposition method. Films of different compositions were grown by depositing several bilayers ...
Nano-structured nickel oxide based DNA biosensor for detection of visceral leishmaniasis (Kala-azar)

Mohan, S.; Srivastava, P.; Maheshwari, S.N.; Sundar, S.; Prakash, R. (Royal Society of Chemistry, 2011-07-07)

Sol-gel synthesized nickel oxide (NiO) film deposited onto indium tin oxide (ITO) coated glass plate has been utilized for the development of sensitive and stable DNA biosensor and demonstrated for diagnosis of visceral ...
Direct evidence for multiferroic magnetoelectric coupling in 0.9BiFeO3-0.1BaTiO3

Singh, A.; Pandey, V.; Kotnala, R.K.; Pandey, D. (The American Physical Society, 2008-12-08)

Magnetic, dielectric and calorimetric studies on 0.9BiFeO3-0.1BaTiO3 indicate strong magnetoelectric coupling. XRD studies reveal a very remarkable change in the rhombohedral distortion angle and a significant shift in the ...
Low temperature x-ray diffraction study of the phase transitions in Sr 1-x Cax TiO3 (x=0.02,0.04): Evidence for ferrielectric ordering

Mishra, S.K.; Pandey, D. (American Institute of Physics Inc., 2009)

X-ray diffraction studies on Sr1-x Cax TiO 3 in the temperature range 12 to 300 K reveal cubic to tetragonal (I4/mcm) antiferrodistortive and tetragonal to orthorhombic (Ic2m) polar phase transitions at ∼170 and 225, 32, ...
Temperature-induced isostructural phase transition, associated large negative volume expansion, and the existence of a critical point in the phase diagram of the multiferroic (1 - X)BiFeO3-xPbTiO3 solid solution system

Bhattacharjee, S.; Taji, K.; Moriyoshi, C.; Kuroiwa, Y.; Pandey, D. (2011-09-12)

We report here an unusual ferroelectric to ferroelectric isostructural phase transition and associated giant negative thermal expansion (NTE) for the tetragonal composition x = 0.31 closest to the morphotropic phase boundary ...
Unambiguous evidence for magnetoelectric coupling of multiferroic origin in 0.73BiFeO3-0.27PbTiO3

Bhattacharjee, S.; Pandey, V.; Kotnala, R.K.; Pandey, D. (2009)

Magnetization, frequency dependent dielectric, and structural studies on 0.73 BiFeO3 -0.27 PbTiO3 in the temperature range from 300 to 600 K reveal anomalies in the unit cell parameters and the intrinsic value of the ...
Ground state of (Pb0.94Sr0.06)(Zr 0.530Ti0.470)O3 in the morphotropic phase boundary region

Solanki, R.S.; Singh, A.K.; Mishra, S.K.; Kennedy, S.J.; Suzuki, T.; Kuroiwa, Y.; Moriyoshi, C.; Pandey, D. (2011-10-24)

The antiferrodistortive (AFD) phase transition for a pseudotetragonal composition of Pb(Zr0.530Ti0.470)O3 doped with 6% Sr has been investigated using sound velocity (4-320 K), high-resolution synchrotron x-ray powder ...

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