-
A metallothermic route for producing capacitor grade Tantalum powder, Y.Purushotham, T.Balaji, Arbind Kumar and T.L.Prakash, Transactions of The Indian Institute of Metals, 55 (2002) 301-305
2002 -
Preparation of high purity tellurium by zone refining, N.R. Munirathnam, D.S. Prasad, Ch. Sudjeer, A.J. Singh and T.L. Prakash, Bulletin of Materials Science 25(2002)32
2002 -
Sintering and electrical properties of Tantalum anodes for capacitor applications, T.Balaji, R.Govindaiah, M.K.Sharma, Y.Purushotham, Arbind Kumar and T.L.Prakash, Materials Letters, 56 (2002) 560 – 563
2002 -
Preparation of high purity tellurium by zone refining, N.R. Munirathnam,
D.S.Prasad, Ch. Sudhher, A.J. Singh and T.L. Prakash, Bulletin of Materials Science,25(2002) 792002 -
Chemical and physical properties of tantalum powder, Y,Purushotham, T. Balajo, Arbind Kumar, R. Govindaiah, M.K. Sharma, V.C. Sethi and T.L. Prakash, Modern Physics Letters B. 15(20) (2001) 861
2001 -
Chemical and physical properties of Tantalum, Y.Purushotham, T.Balaji, Arbind Kumar, R.Govindaiah, M.K.Sharma, V.C.Sethi and T.L.Prakash, Modern Physics Letters B, 15 (2001) 867-871
2001 -
Preparation, Characterization and microwave properties of RETiNbO6 dielectric ceramics
M.T.Sebastian, S. Solomon, R.Ratheesh, J. George and P.Mohanan, J. Ame. Cer. Soc., 84 (7) 1487 (2001)2001 -
Whisphering Gallery Mode microwave characterization of Ba5Nb4O15 and BaCe2Ti5O15
Ceramics, R.Ratheesh, M.T. Sebastian, M.E.Tobar, J. Hartnett and D.G. Blair, Mater. Lett. 45, 279 (2000)2000 -
Comparative Raman study of the ordering in Sr(B’0.5 Nb0.5)O3 compound
R.Ratheesh, M. Woehlecke, B.Berge, Th. Wahlbrink, H. Haeuseler, E.Ruehl & R. Blachnik, J. Appl. Phys. 88(5), 2813 (2000)2000 -
Whispering Gallery Mode microwave characterisation of Ba(Mg1/3 Ta2/3) O3 Ceramics
R.Ratheesh, M.T.Sebastian, M.E.Tobar, J. Hartnett and D.G. Blair, J. Phys. D, 32, 2821-26 (1999).1999 -
Raman spectra of KTP crystal in an in situ electric field
M.J. Bushiri, V.P. Mahadevan Pillai, R. Ratheesh and V.U. Nayar, J. Phys. Chem. of Solids, 60, 1983 -1988 (1999)1999 -
Elastic behaviour of some substituted Sr-Zn W-type hexagonal ferrites, Y.Purushotham and P.V.Reddy, Modern Physics Letters B, 13 (1999) 991 – 998
1999 -
Elastic behaviour of LiMgZn and LiMgTiZn ferrites, Nitendar Kumar, Y.Purushotham, Pran Kishan and P.V.Reddy, Journal of Magnetism and Magnetic Materials, 192 (1999) 116 – 120
1999 -
Reduction of OH related Photoluminescence quenching in PI3+ doped GeSe based glasses by means of purification., B.B. Kale, J. Non-Crystalline Solids, 256-257 (1999) 1-7
1999 -
Effect of catalyst on the kinetics & reduction of Ce3+ doped by active charcoal” R.S. Sonawane, B.B. Kale, S.K. Apte, M.K. Dongare, Melt and Mater.Trans. B. 30B (1999) 294-298.
1999 -
The A5B4O15[A=Ba, Sr, Ca, Mg, Zn; B=Nb, Ta] microwave ceramic dielectric resonators
I.N. Jawahar, M.T. Sebastian, Jacob George, P. Mohananan, H. Sreemoolanadhan and R.Ratheesh,. Bull. Electrochemistry, 14(11) 364 (1998)1998 -
New High Permittivity and low loss ceramic in the BaO-TiO2-Nb2O5 composition
R.Ratheesh, H. Sreemoolanadhan, M.T.Sebastian and P. Mohanan , J. Mater. Sci.:Materials in Elect., 9(4) 291 (1998)1998 -
Orientation of the magnetic ions in monovalent and divalent doped Sr-Zn W-type hexagonal ferrites, Y.Purushotham and P.V.Reddy, Journal of The Magnetics Society of Japan, 22 (1998) 46-48
1998 -
Electrical conduction mechanism in LiMgZn and LiMgTiZn ferrites, Nitender Kumar, Pran Kishan, Y.Purushotham, P.V.Reddy and Z.H.Zaidi, Journal of The Magnetics Society of Japan, 22 (1998) 26-28
1998 -
Electrical and elastic behaviour of In and Al substituted Mg-Mn ferrites, Y.Purushotham, Mahavir Singh, S.P.Sud and P.V.Reddy, International Journal of Modern Physics B, 12 (1998) 2247-2262
1998 -
Preparation, Characterisation and Dielectric Properties of Ceramics in the BaO-Nd2O3-TiO2
Systems, R.Ratheesh, H. Sreemoolanadhan, M.T. Sebastian and P. Mohanan, Ferroelectrics, 211, PP1-8 (1997)1997 -
The synthesis and characterisation of Hf-substituted (Zr0.8, Sn0.2)TiO4,H. Sreemoolanadhan, R.Ratheesh, M. T. Sebastian and P. Mohanan, J. Phys. D: Appl.Phys., 30, 1809 (1997).
1997 -
Vibrational analysis of Ba5-xSrxNb4O15 microwave dielectric ceramic resonators, R. Ratheesh, H. Sreemoolanadhan, and M. T. Sebastian, J. Solid State Chem. 131,2(1997).
1997 -
Barium Terbium Niobate: A New Ceramic microwave dielectric resonator, H. Sreemoolanadhan, R.Ratheesh, M.T.Sebastian and P. Mohanan, Mater. Lett. 33, 161-165, 1997
1997 -
Samarium Titanium Niobate(SmTiNbO6): A New Microwave Dielectric Ceramic,
M. T. Sebastian, R. Ratheesh, H. Sreemoolanadhan, Sam Solomon and P.Mohanan, Mater.
Res. Bull., 32, 1279(1997).
1997 -
Vibrational Spectra of three Aluminium Selenites Al2(SeO3)3.6H2O, Al2(SeO3)3.3H2O
and AlH(SeO3)2.3H2O, R.Ratheesh, G. Suresh, V.U. Nayar and R.E. Morris, Spectrochim Acta 53 A, 1975-1979(1997)1997 -
Vibrational analysis of Cu(HSeO3)2.H2O single crystal, R.Ratheesh, G. Suresh, M.J.Bushiri and V. U. Nayar, Spectrochim Acta. A52, 1313(1996)
1996 -
Infrared and Polarized Raman spectra of RbAl(SO4)2.12H2O Single crystals, G.Suresh, R.Ratheesh, T.Pradeep,R.S.Jayasree, V.U.Nayar and G.Keresztury, J. Solid State Chem., 122, 333-337 (1996).
1996 -
Mossbauer measurements of amorphous Fe72-xNi10+x-yMoyB16Si2 , A.K. Bhatnagar, B. Seshu, G.V. Sudhakar Rao, N.R. Munirathnam, J. Non-Cryst. Solids, 204 (1996) 305
1996 -
Vibrational spectra of NH4Sm(SO4)2.4H2O and (NH4)2Ln(SO4)2.4H2O[Ln=Yb,Tm),
G.Suresh, R.Ratheesh, K.Manoj Kumar and V.U.Nayar, J. Solid State Chem.,121, 408-414 (1996)1996 -
The influence of spin-reorientation on the dielectric behaviour of cobalt substituted W-type Ba-Zn hexagonal ferrites, V.D.Reddy, Y.Purushotham, M.B.Reddy and P.V.Reddy, Modern Physics Letters B, 10 (1996) 1461-1470
1996 -
Mossbauer measurements of amorphous Fe72-x Ni10+x-y Moy B16 Si2,; A.K. Bhatnagar, B. Seshu, G.V. Sudhakar Rao, N.R. Munirathnam, J. Non-cryst. Solids, 204 PP.305-308 (1996).
1996 -
Charge transport and conduction mechanism of some substituted strontium W-type hexagonal ferrites, Y.Purushotham and P.V.Reddy, International Journal of Modern Physics B, 10 (1996) 319-336
1996 -
Elastic behaviour of some substituted Nickel ferrites, K.V.P.Rao, Y.Purushotham and J.S.Chandel, Crystal Research and Technology, 31 (1996) 329-333
1996 -
Electrical transport properties of some substituted nickel ferrites, Y.Purushotham, J.S.Chandel, S.P.Sud, V.K.Babbar, K.V.Reddy and P.V.Reddy, Materials Science and Engineering B, 34 (1995) 67-73
1995 -
Elastic behaviour of titanium substituted magnesium ferrites, Y.Purushotham, V.D.Reddy, M.B.Reddy, D.R.Sagar, Pran Kishan and P.V.Reddy, Materials Research Bulletin, 30 (1995) 1015-1022
1995 -
Ultrasonic investigation of titanium substituted lithium magnesium ferrites, Y.Purushotham, V.D.Reddy, M.B.Reddy, D.R.Sagar, Pran Kishan and P.V.Reddy, Physica Status Solidi (a), 148 (1995) K17-K21
1995 -
Raman spectroscopic investigations on the phase transitions in Rb3H(SeO4)2 and Rb3D(SeO4)2 single crystals , G.Suresh, R.Ratheesh, V.U.Nayar and M.Ichikawa,Spectrochimica Acta., A52, 465 (1995)
1995 -
Elastic behaviour of germanium substituted lithium ferrites, Y.Purushotham, P.V.Reddy, Pran Kishan and Nitendar Kumar, Modern Physics Letters B, 9 (1995) 39-44
1995 -
Spectroscopic investigation of a single crystal K3H(SeO4)2, G.Suresh, R.Ratheesh, V.U.Nayar and M.Ichikawa,Ferroelectrics, 173, 257 (1995).
1995 -
Electrical transport properties of germanium substituted lithium ferrites, Y.Purushotham, Pran Kishan, Nitendar Kumar and P.V.Reddy, Materials Letters, 22 (1995) 47-54
1995 -
Design and Development of a Ceramic based biomass gasifier, P.Sasidharan, K.P. Murali and K.Sasidharan, Journal for international energy initiative, Energy for sustainable development 4 (1995) 49–52
1995 -
IR and Raman spectra of LaH(SeO3)2 and FeH(SeO3)2
R.Ratheesh, G.Suresh, V.U.Nayar, G. Giester and R.E .Morris, Indian J. Phys., 69B(4),307-313, 1995.1995 -
Infrared and Polarized Raman spectra of Cu(HSeO3)2.H2O single Crystals, R.Ratheesh, G.Suresh, M.J.Bushiri and V.U.Nayar, Spectrochimica Acta , 51A ,1509,1995
1995 -
Infrared and Polarized Raman spectra of M6[TeMo6O24].7H2O [M=K and NH4] and (NH4)6[TeMo6O24].Te(OH)6.7H2O single crystals, R.Ratheesh, G.Suresh and V.U.Nayar , J. Solid State Chemistry, 118, 341, 1995.
1995 -
IR and Polarized Raman spectra of a single crystal; Rb3H(SeO4)2 in the ferroelastic phase, G.Suresh, R.Ratheesh,V.U.Nayar, M.Ichikawa and G.Keresztury, Spectrochimica Acta, 51A, 3, 1995.
1995 -
Vibrational Analysis of NaM2(OH)(H2O)(MoO4)2[M= Ni, Zn], R.Ratheesh, G.Suresh and V.U.Nayar , Pramana, 44, 5, 1995.
1995 -
Vibrational Analysis of Cu(HSeO3)2.H2O Single Crystal at Room and Liquid Nitrogen Temperatures, R.Ratheesh, G. Suresh, M.J.Bushiri and V.U.Nayaer, Ind. J. Cryog., 20(1), 17(1995)
1995 -
Compositional aspects on the vapour phase eplitaxial growth of GalnAs layersfrom Ga-In-As-H-C1 Systems, V.N. Mani, Bulletin of Materials Science, 17, 5, (1994) pp 469
1994 -
Electrical transport properties of some metallic glasses, P.Venugopal Reddy, S.Shekhar and Y.Purushotham, Modern Physics Letters B, 7 (1993) 1295-1299
1993