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ORE at CSIR-Institute of Minerals and Materials Technology: Recent submissions

Now showing items 1121-1130 of 3740

Multicomponent Zn(1-x)Fe0.8xNa0.2xO semiconductors: Effect of dopant concentration and ionic radius on structural, opto-electronics, magnetic and sensing properties

Bajpai, G.; Ostawal, M.; Moirangthem, I.; Bajpai, S.; Basaula, D.R.; Khan, M.; Liu, S.W.; Biring, S.; Sen, S. (Materials Science in Semiconductor Processing, 98, 2019: 121-130)

Fe incorporation in ZnO lattice draws more oxygen which reduces oxygen vacancies. The smaller size and larger charge of the Fe3+ ion helps to reduce strain initially but with increased substitution generates more strain ...
Site-specific antibacterial efficacy and cyto/hemo-compatibility of zinc substituted hydroxyapatite

Bhattacharjee, A.; Gupta, A.; Verma, M.; Murugan, P.A.; Sengupta, P.; Matheshwara, S.; Manna, I.; Balani, K. (Ceramics International, 45(9), 2019: 12225-12233)

Hydroxyapatite [HA, Ca-10(PO4)(6)(OH)(2)] is among the most sought after bioceramics having chemical structure similar (with Ca/P ratio of 1.67) to that of human bone and other hard tissues. Zn doping in HA based implants ...
Role of Li+ and Fe3+ in modified ZnO: Structural, vibrational, optoelectronic, mechanical and magnetic properties

Bajpai, G.; Moirangthem, I.; Sarkar, S.; Barman, S.R.; Vinod, C.P.; Bajpai, S.; Riyajuddin, S.; Ghosh, K.; Basaula, D.R.; Khan, M.; Liu, S.W.; Biring, S.; Sen, S. (Ceramics International, 45(6), 2019: 7232-7243)

When Fe is doped in ZnO, a situation of charge imbalance is created due to the higher charge of Fe3+. A charge balance may be obtained by co-doping Li0.5+Fe0.53+ combinations. A solid solution of Zn1-x(Fe0.5Li0.5)(x)O (0 ...
Sodium ion incorporated alumina - A versatile anisotropic ceramic

Pujar, P.; Gupta, B.; Sengupta, P.; Gupta, D.; Mandal, S. (Journal of the European Ceramic Society, 39(15), 2019: 4473-4486)

The present article is a review of crystal structure dependent anisotropic properties of beta and beta-phases of sodium ion incorporated alumina. The anisotropy in electrical properties such as ionic conductivity and ...
In Situ Synthesis of Mesoporous TiO2 Nanofibers Surface-Decorated with AuAg Alloy Nanoparticles Anchored by Heterojunction Exhibiting Enhanced Solar Active Photocatalysis

Chattopadhyay, S.; Bysakh, S.; Mishra, P.M.; De, G. (Langmuir, 35(44), 2019: 14364-14375)

We designed an electrospinning synthesis protocol to obtain in situ, the mesoporous TiO2 nanofibers, which are surface-decorated with plasmonic AuAg nanoparticles (AuAg-mTNF-H). Such alloy nanoparticles are found to be ...
Structural, opto-electronics and magnetic study of Fe/Si doped ZnO

Bajpai, G.; Riyajuddin, S.; Ghosh, K.; Bajpai, S.; Basaula, D.R.; Bhatt, S.; Khan, M.; Liu, S.W.; Biring, S.; Sen, S. (Journal of Materials Science-Materials in Electronics, 30(10), 2019: 9344-9355)

Structural, opto-electronics and magnetic hysteresis properties have been studied of sol-gel synthesized Zn(0.96875)Si(0.03125)-xFexO (0x0.03125) nano-particles. The crystallites belong to a wurtzite P6(3)mc space group. ...
Characteristics of geochemical fractions of phosphorus and its bioavailability in sediments of a largest brackish water lake, South Asia

Barik, S.K.; Bramha, S.; Bastia, T.K.; Kumar, M.; Mohanty, P.K.; Rath, P.; Behera, D. (Ecohydrology and Hydrobiology, 19(3), 2019: 370-382)

The spatio-temporal distribution of geochemical fractions of phosphorus and its bio-availability for Asia's largest brackish water lake has been carried out. One way ANOVA analysis revealed that both iron bound phosphorus ...
Particle Classification Optimization of a Circulating Air Classifier

Eswaraiah, C.; Soni, R.K.; Tripathy, S.K.; Filippov, L.O. (Mineral Processing and Extractive Metallurgy Review, 40(5), 2019: 314-322)

Undoubtedly, wet processing of ores requires huge quantity of water. This provides enough incentive for dry beneficiation of ores which has great promise predominantly from an environmental standpoint and water scarcity ...
Investigation of Sodium Plating and Stripping on a Bare Current Collector with Different Electrolytes and Cycling Protocols

Tanwar, M.; Bezabh, H.K.; Basu, S.; Su, W.N.; Hwang, B.J. (ACS Applied Materials and Interfaces, 11(43), 2019: 39746-39756)

In the present study, stable sodium plating/stripping has been achieved on a bare aluminum current collector, without any surface modifications or artificial SEI deposition. The crucial role of predeposited sodium using ...
Influence of regional emissions on SO2 concentrations over Bhubaneswar, a capital city in eastern India downwind of the Indian SO2 hotspots

Mallik, C.; Mahapatra, P.S.; Kumar, P.; Panda, S.; Boopathy, R.; Das, T.; Lal, S. (Atmospheric Environment, 209, 2019: 220-232)

In a scenario when haze and smog events are wreaking havoc in many parts of the world; accurate information on ambient sulfur dioxide (SO2) sources is a required input to models for prediction and mitigation of air pollution. ...

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