Background
De, Udayan was born on December 27, 1950 in Gwalior, India. Son of Nirmal Chandra and Dipti (Dhar) De.
De, Udayan was born on December 27, 1950 in Gwalior, India. Son of Nirmal Chandra and Dipti (Dhar) De.
Bachelor of Science with honors, St. Xavier's College, Calcutta, 1970. Master of Science in Physics, Indian Institute of Technology, Kharagpur, 1973. Doctor of Philosophy in Physics, Calcutta University, 1978.
Research fellow International Association of Classification Societies, Calcutta, 1973-1979, pool officer Council for Scientific and Industrial Research, 1981-1982. Humboldt fellow University Erlangen, Germany, 1979-1981. Scientist Materials Science Laboratory, IGCAR, Kalpakkam, India, 1982-1988.
Humboldt fellow Feuerverzinkerei, Karlsruhe, Germany, 1990, 96. Senior scientist Variable Energy Cyclotron Center, Calcutta. Professor Horni Bhabha National Institute, Hdq., Mumbai, since 1982.
Convenor Indo-German Symposium on Green Approach to Energy and Environment, German Academic Exchange Service Symposium on Superconductors, Goethe Institute, Kolkata. Coordinating various research collaborations on piezoelectric materials, electromagnetic shielding superconductors, positron annihilation, ion conducting and other polymers, synchnotron experiments, semiconductors and radiation damage, and materials research, Calcutta, since 1994. Doctor of Philosophy guide department physics Calcutta University, since 1994, Jadavpur University.
Organizing committee member Condensed Matter Days Annual Conference, Eastern India, since 1994, D.A.E. Symposium on Solid State Physics, 1995, visiting Western and Far East Research Institutes and Conferences, others.
(Udayan De was invited by Prof. Dr. Fernando Gomes, ICNP20...)
2017Publications of Prof. Udayan De
(in 4 parts)
I(a). Publications: Journal Papers
p-09 etc. for latest papers.
[01] Resistivity of polycrystalline silver films, A.K. Pal, Udayan De and P. Sen, Phys. Stat. Sol. 27a (1975) K1
[02] The effect of thermal expansion on the vacancy mechanism of diffusion of impurities in metals,
Udayan De,
Phys. Stat. Sol. 75b (1976) K55
[03] to [18] omitted
[19] Upper critical field in Y0.8Ln0.2Ba2Cu3O7-z , Ln = Dy, Er and Tm superconductors,
Udayan De, S. Kalavati, T.S. Radhakrishnan and G.V. Subba Rao,
J de Physique C8 49 (1988) 2167
[20] Characterization of pure YBa2Cu3O(7-x) and its silver added ceramic composites by Auger electron spectroscopy,
Udayan De, S. Natarajan and E.W. Seibt,
Physica C 183 (1991) 83
[21] to [24] omitted
[25] Temperature dependence of positron annihilation parameters in
Bi2-x PbxSr2CaCu2Oy and Bi2Sr2CaCu2Oy superconductors,
P. K. Pujari, T. Datta, Udayan De, and B. Ghosh.
Phys. Rev. B 50, 3438 (1994).
[26] to [30] omitted
[31] Anomalous temperature dependence of electron momentum distribution in cuprate superconductors,
Udayan De, P. M. G. Nambissan, D. Sanyal and D. Banerjee,
Physica B 223 & 224 (1996) 544
[32] Study of transition metal ion doped mullites by positron
annihilation techniques, D. Sanyal, D. Banerjee, R. Bhattacharya, S.K. Patra, S.P. Chaudhuri, B. NandiGanguli and Udayan De,
J. of Materials Sc. (Chapman & Hall) 31 (1996) 3447
[33] , [34] omitted
[35] “Complex variation of electron momentum distribution in
(Bi,Pb)-2223 oxides across superconducting transition,
Udayan De, P.M.G. Nambissan, D. Sanyal and D. Banerjee,
Physics Letter A222 (1996) 119
[36] Alpha irradiated YNi2B2C studied from positron lifetime measurements, Alpha irradiated YNi2B2C studied from positron lifetime measurements” D. Sanyal, S. Chaudhuri, R. Bhattacharya, D. Banerjee and Udayan De,
J. of Low Temperature Physics 105 (1996) 1665
[37] Different Phases of differently heat treated CdO from X-Ray and TEM studies,
Udayan De, Santanu Chaudhuri, D. Sanyal & A. Srivastava, Ind. J. Phys. 71A (1997) 273
[38] to [40] omitted
[41] Probing (Bi0.92Pb0.17)2Sr1.91Ca2.03Cu3.06O10+δ superconductors from 30 to 300 K by positron-lifetime measurements,
D. Sanyal, D. Banerjee and Udayan De,
Phys. Rev. B 58 (1998) 15226
[42] Enhancement and degradation of Tc in Bi-HTSC due to Li3+ irradiations,
A. Sarkar, Udayan De, D. Sanyal, Ravi Kumar & D. Banerjee,
Nuclear Instru. & Methods in Phys. Res. B156 (1999) 50
[43] to [47] omitted
[48] Positron Probing of electron momentum re-distribution due to superconducting transition in single crystalline and granular high Tc Samples,
Udayan De, D. Sanyal, S. Chaudhury, P.M.G. Nambissan, Th. Wolf & H. Wuehl, Phys. Rev. B62 (2000) 14519.
[49] Nanophase iron oxides by ball-mill grinding and their Mössbauer characterization, S. Bid, A. Banerjee, S. Kumar S.K. Pradhan, Udayan De & D. Banerjee, J. of alloys and Compounds 326 (2001) 292.
[50] Positron Annihilation and Ion-Conductivity Studies of PEO-NH4ClO4 Complexes, S. Tarafdar and T. R. Middya, Banerjee, D. Sanyal and D. Banerjee, K.C. Verma and Udayan De, Solid State Ionics 152-153 (2002) 235.
[51] Resonance Scattering and RBS from non-stoichiometric Oxides,
Udayan De, K.C. Verma, P. Karmakar , A. Sarkar, Soma Dey and SikhaVerma,
Nuclear Instru. & Methods in Phys. Res. B 212 (2003) 505
[52] to [57] omitted
[58] “The temperature dependence of free volume in semicrystalline poly(dimethylsiloxane) (PDMS) and its mixture with silica nanoparticles from positron lifetime (PALS) and PVT experiments”, Günter Dlubek,
Udayan De, N. Arutyonov, Jürgen Pionteck, Reinhard Krause-Rehberg,
Macromol. Chem. Phys. 206 (2005) 827-40
[59] “Electrical Resistivity and XRD of differently annealed CdO from different
manufacturers”,
K.C. Verma and Udayan De, Ind. J Phys. 79 (2005) 1075
[60] “DSC characterization of ion beam modifications in ion conducting PEO-salt polymers”, Minakshi Maitra, K.C. Verma, Mrinal Sinha, Rajesh Kumar, T.R. Middya, S. Tarafdar, P. Sen, S.K. Bandyopadhyay and Udayan De,
Nuclear Instru. & Methods in Phys. Res. B 244 (2006) 239.
[61] to [68] omitted
[69] “Positron lifetime studies of the dose dependence of nanohole free volumes in ion-irradiated conducting poly-(ethylene-oxide)-salt polymers”,
Rajesh Kumar, Udayan De, P.M.G. Nambissan, M. Maitra, S. Asad Ali, T.R. Middya, S. Tarafdar, F. Singh, D.K. Avasthi, Rajendra Prasad,
Nuclear Instruments and Methods B 226 (2008) 1783
[70] to [83] omitted
[84], [85] omitted
[86] “Positron probing of electron momentum re-distribution at the superconducting transition in Ba(Fe1_xCox)2As2 single crystals”, D. Sanyal, Thomas Wolf, Mahuya Chakrabarti, Udayan De,
Solid State Communications (2014) 35–38.
[87] “Role of Nb2O5 phase in the formation of Piezoelectric PbNb2O6”, Kriti Ranjan Sahu and Udayan De,
Thermochimica Acta 589C (2014), 25-30
DOI info.: 10.1016/j.tca.2014.05.008, Final version publ. online: 28-May-2014
[88] to [91] omitted
[92] Somik Banerjee, M. Deka, A. Kumar and Udayan De,
“Ion Irradiation Effects in some Electro-active and Engineering Polymers: Studies by Conventional and Novel Techniques”, in “Defect and Diffusion Forum” Vol. 341 (2013) pp 1-49; (2013) Trans Tech Publications, Switzerland, doi:10.4028/www.scientific.net/DDF.341.1. Online available since 2013/Jul/31 at www.scientific.net
[93] “Electron momentum density redistribution in YBCO across the superconducting transition”, Experiment HE-1475 report dated 26.02.2004,
C. Sternemann, M. Volmer, R. Fendt, A. Sarkar, M. Tolan, Udayan De, T. Wolf, T.Buslaps and N. Hiraoka, ESRF BT Users’ Report, 2004.
[94] Udayan De & D. Sanyal,
“Chap. V : Probing HTSC by Positron Lifetime and Doppler Broadening Investigations”
in “Studies of High Temperature Superconductors - Advances in Research and Applications”, vol. 29, ed. Anant Narlikar, Nova Science Publishers Inc., NY (1999)
[95] to [96] omitted
II. Papers / Articles in Proceedings / Books
...... Not copied Parts II, III & IV to save space
(Publications of Prof. Udayan De (in 4 parts) I(a). Publ...)
Reviews in different fields; Over 96 journal articles in professional journals + over 51 conf papers + over 11 chapters / articles in books etc. + over 7 review talks on Global warming, Environment & Green Energy.
Equal opportunity, responsibility & right for all globally.
Fellow West Bengal Academy of Sciences and Technology. Member Indian Physical Association (life), Indian Association for Cultivation of Science (life), Materials Research Society of India (life), Indian Physical Society (life), Indian Cryogenic Council (life), International Society Solid State Ionics, Humboldt Club (secretary 2000).
How to talk on that?
Married Esha Sengupta, February 10, 1977. Children: Urmimala, Aditya.