Items where Author is "Shankar, Uma"

Kumar, Naveen ; Mishra, Anupam ; De, Arnab ; Shankar, Uma ; Ranjan, Rajeev (2020) Factors contributing to the local polar-structural heterogeneity and ultrahigh piezoelectricity in Sm-modified Pb(Mg1/3Nb2/3)O3–PbTiO3 Journal of Physics D: Applied Physics, 53 (16). p. 165302. ISSN 0022-3727

Mishra, Anupam ; Khatua, Dipak Kumar ; Adhikary, Gobinda Das ; Kumar, Naveen ; Shankar, Uma ; Ranjan, Rajeev (2019) Finite-size-effect on a very large length scale in NBT-based lead-free piezoelectrics Journal of Advanced Dielectrics, 09 (05). p. 1950035. ISSN 2010-135X

Das Adhikary, Gobinda ; Khatua, Dipak Kumar ; Mishra, Anupam ; De, Arnab ; Kumar, Naveen ; Saha, Sujoy ; Shankar, Uma ; Senyshyn, Anatoliy ; Rao, Badari Narayana ; Ranjan, Rajeev (2019) Increasing intervention of nonferroelectric distortion and weakening of ferroelectricity at the morphotropic phase boundary in Na_0.5Bi_0.5TiO₃−BaTiO₃ Physical Review B: Condensed Matter and Materials Physics, 100 (13). ISSN 2469-9950

Shankar, Uma ; Kumar, Naveen ; Narayan, Bastola ; Swain, Diptikanta ; Senyshyn, Anatoliy ; Ranjan, Rajeev (2019) Large electromechanical response in ferroelectrics: Beyond the morphotropic phase boundary paradigm Physical Review B: Condensed Matter and Materials Physics, 100 (9). ISSN 2469-9950

Khatua, Dipak Kumar ; Mishra, Anupam ; Kumar, Naveen ; Adhikary, Gobinda Das ; Shankar, Uma ; Majumdar, Bhaskar ; Ranjan, Rajeev (2019) A coupled microstructural-structural mechanism governing thermal depolarization delay in Na_0.5Bi_0.5TiO₃-based piezoelectrics Acta Materialia, 179 . pp. 49-60. ISSN 1359-6454

Roy, P.S. ; Behera, M.D. ; Murthy, M.S.R. ; Roy, Arijit ; Singh, Sarnam ; Kushwaha, S.P.S. ; Jha, C.S. ; Sudhakar, S. ; Joshi, P.K. ; Reddy, Ch. Sudhakar ; Gupta, Stutee ; Pujar, Girish ; Dutt, C.B.S. ; Srivastava, V.K. ; Porwal, M.C. ; Tripathi, Poonam ; Singh, J.S. ; Chitale, Vishwas ; Skidmore, A.K. ; Rajshekhar, G. ; Kushwaha, Deepak ; Karnatak, Harish ; Saran, Sameer ; Giriraj, A. ; Padalia, Hitendra ; Kale, Manish ; Nandy, Subrato ; Jeganathan, C. ; Singh, C.P. ; Biradar, C.M. ; Pattanaik, Chiranjibi ; Singh, D.K. ; Devagiri, G.M. ; Talukdar, Gautam ; Panigrahy, Rabindra K. ; Singh, Harnam ; Sharma, J.R. ; Haridasan, K. ; Trivedi, Shivam ; Singh, K.P. ; Kannan, L. ; Daniel, M. ; Misra, M.K. ; Niphadkar, Madhura ; Nagabhatla, Nidhi ; Prasad, Nupoor ; Tripathi, O.P. ; Prasad, P. Rama Chandra ; Dash, Pushpa ; Qureshi, Qamer ; Tripathi, S.K. ; Ramesh, B.R. ; Gowda, Balakrishnan ; Tomar, Sanjay ; Romshoo, Shakil ; Giriraj, Shilpa ; Ravan, Shirish A. ; Behera, Soumit Kumar ; Paul, Subrato ; Das, Ashesh Kumar ; Ranganath, B.K. ; Singh, T.P. ; Sahu, T.R. ; Shankar, Uma ; Menon, A.R.R. ; Srivastava, Gaurav ; Neeti, ; Sharma, Subrat ; Mohapatra, U.B. ; Peddi, Ashok ; Rashid, Humayun ; Salroo, Irfan ; Krishna, P. Hari ; Hajra, P.K. ; Vergheese, A.O. ; Matin, Shafique ; Chaudhary, Swapnil A. ; Ghosh, Sonali ; Lakshmi, Udaya ; Rawat, Deepshikha ; Ambastha, Kalpana ; Malik, Akhtar H. ; Devi, B.S.S. ; Gowda, Balakrishna ; Sharma, K.C. ; Mukharjee, Prashant ; Sharma, Ajay ; Davidar, Priya ; Raju, R.R.Venkata ; Katewa, S.S. ; Kant, Shashi ; Raju, Vatsavaya S. ; Uniyal, B.P. ; Debnath, Bijan ; Rout, D.K. ; Thapa, Rajesh ; Joseph, Shijo ; Chhetri, Pradeep ; Ramachandran, Reshma M (2015) New vegetation type map of India prepared using satellite remote sensing: Comparison with global vegetation maps and utilities International Journal of Applied Earth Observation and Geoinformation, 39 . pp. 142-159. ISSN 0303-2434

Shankar, Uma ; Sain, Kalachand ; Riedel, Michael (2014) Assessment of gas hydrate stability zone and geothermal modeling of BSR in the Andaman Sea Journal of Asian Earth Sciences, 79 . pp. 358-365. ISSN 1367-9120

Shankar, Uma ; Gupta, Deepak K. ; Bhowmick, Debjani ; Sain, Kalachand (2013) Gas hydrate and free gas saturations using rock physics modelling at site NGHP-01-05 and 07 in the Krishna–Godavari Basin, eastern Indian margin Journal of Petroleum Science and Engineering, 106 . pp. 62-70. ISSN 0920-4105

Shankar, Uma ; Sain, Kalachand (2012) Amplitude variation with offset responses for gas hydrate/free gas models: A case study Current Science, 103 (4). pp. 413-418. ISSN 0011-3891

Shankar, Uma ; Sain, Kalachand ; Riedel, Michael (2012) Geothermal modeling for the base of gas hydrate stability zone and saturation of gas hydrate in the Krishna-Godavari basin, eastern Indian margin Journal of the Geological Society of India, 79 (2). pp. 199-209. ISSN 0016-7622

Shankar, Uma ; Sain, Kalachand (2009) Heat flow variation from bottom simulating reflector in the Kerala-Konkan basin of the western continental margin of India Indian Journal of Marine Sciences, 38 (1). pp. 110-115. ISSN 0379-5136

Shankar, Uma ; Singh, Shashank Shekhar ; Sain, Kalachand (2009) Signal enhancement and multiple suppression using Radon transform: an application to marine multichannel seismic data Marine Geophysical Researches, 30 (2). pp. 85-93. ISSN 0025-3235

Shankar, Uma ; Ojha, Maheswar ; Sain, Kalachand ; Khanna, Ramesh ; Sudhakar, Manju ; Tyagi, Abhishek (2008) Seafloor Geophysical Study in Search of Gas Hydrates/Gas Related Evidences in the Deep Waters of the Western Continental Margin of India Journal of the Geological Society of India, 72 (4). pp. 547-555. ISSN 0016-7622

Shankar, Uma ; Sain, Kalachand (2007) Specific character of the bottom simulating reflectors near mud diapirs: Western margin of India Current Science, 93 (7). ISSN 0011-3891

Satyavani, N. ; Thakur, N. ; Shankar, Uma ; Reddi, S.I. ; Sridhar, A.R. ; Rao, P. ; Sain, Kalachand ; Khanna, R. (2003) Indicators of gas hydrates: Role of velocity and amplitude Current Science, 85 (9). pp. 1360-1363. ISSN 0011-3891

Shankar, Uma ; Lama, S. D. ; Baw, K. S. (1998) Ecosystem reconstruction through 'Taungya' plantations following commercial logging of a dry, mixed deciduous forest in Darjeeling Himalaya Forest Ecology and Management, 102 (2-3). pp. 131-142. ISSN 0378-1127

Shankar, Uma ; Hegde, Ravi ; Bawa, K. S. (1998) Extraction of non-timber forest products in the forests of Biligiri Rangan Hills, India. 6. Fuelwood pressure and management options Economic Botany, 52 (3). pp. 320-336. ISSN 0013-0001

Shankar, Uma ; Murali, K. S. ; Uma Shaanker, R. ; Ganeshaiah, K. N. ; Bawa, K. S. (1998) Extraction of non-timber forest products in the forests of Biligiri Rangan hills, India. 4. Impact on floristic diversity and population structure in a thorn scrub forest Economic Botany, 52 (3). pp. 302-315. ISSN 0013-0001

Ganeshaiah, K. N. ; Uma Shaanker, R. ; Murali, K. S. ; Shankar, Uma ; Bawa, K. S. (1998) Extraction of non-timber forest products in the forests of Biligiri Rangan hills, India. 5. Influence of dispersal mode on species response to anthropogenic pressures Economic Botany, 52 (3). pp. 316-319. ISSN 0013-0001

Murali, K. S. ; Shankar, Uma ; Uma Shaanker, R. ; Ganeshaiah, K. N. ; Bawa, K. S. (1996) Extraction of non-timber forest products in the forests of Biligiri Rangan hills, India. 2. Impact of NTFP extraction on regeneration, population structure, and species composition Economic Botany, 50 (3). pp. 252-269. ISSN 0013-0001

Shankar, Uma ; Murali, K. S. ; Uma Shaanker, R. ; Ganeshaiah, K. N. ; Bawa, K. S. (1996) Extraction of non-timber forest products in the forests of Biligiri Rangan hills, India. 3. Productivity, extraction and prospects of sustainable harvest of amla Phyllanthus emblica, (Euphorbiaceae) Economic Botany, 50 (3). pp. 270-279. ISSN 0013-0001

Joshi, N. V. ; Shankar, Uma ; Ganeshaiah, K. N. (1993) The 'neighbour effect' and its role in shaping the positional pattern of seed development in fruits: an illustration from the pods of Erythrina suberosa Current Science, 65 (3). pp. 234-238. ISSN 0011-3891