• Determination of total arsenic concentration in clinical samples for
    epidemiological studies using ICP-MS, K. Chandra Sekhar, N.S. Chary, C.T. Kamala, M. Anupama and M.R.P. Reddy, Atomic Spectroscopy 23 (2002) 170

    2002
  • Preparation characterisation and properties of BiReWO4 dielectric ceramics
    N. Santha, P. Koshy , R. Ratheesh and M.T. Sebastian. J. Mater. Sci. Mater in Electronics 13 229-233 (2002).

    Dr. R. RATHEESH
    2002
  • Tellurium purification: Various techniques and limitations, D. S. Prasad, Ch. Sudheer, N. R. Munirathnam and T.L.Prakash, ‘Bulletin of materials science’ vol. 25, No.6, Nov.,  2002.

    Mr.CH. SUDHEER, Dr.D.S.PRASAD, Dr. N.R. MUNIRATHNAM
    2002
  • Analytical assessment two sequential extraction schemes for speciation of
    heavy metals in soils, K. Chandra Sekhar, N.S. Chary, C.T. Kamala, M.
    Anupama and M.R.P. Reddy, Journal of Appiied Geochemistry 4(2002) 409

    2002
  • 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)

    Dr. R. RATHEESH
    2001
  • 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

    Dr.Y. PURUSHOTHAM
    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)

    Dr. R. RATHEESH
    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)

    Dr. R. RATHEESH
    2000
  • 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.

    Dr. B.B. KALE, Dr.R.S.SONAWANE, Dr.S.K.APTE
    1999
  • 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).

    Dr. R. RATHEESH
    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)

    Dr. R. RATHEESH
    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

    Dr.Y. PURUSHOTHAM
    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

    Dr.Y. PURUSHOTHAM
    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

    Dr. B.B. KALE
    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)

    Dr. R. RATHEESH
    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)

    Dr. R. RATHEESH
    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

    Dr.Y. PURUSHOTHAM
    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

    Dr.Y. PURUSHOTHAM
    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

    Dr.Y. PURUSHOTHAM
    1998
  •        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).

     

    Dr. R. RATHEESH
    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)

    Dr. R. RATHEESH
    1997
  • 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)

    Dr. R. RATHEESH
    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).

    Dr. R. RATHEESH
    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).                                               

     

    Dr. R. RATHEESH
    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

    Dr. R. RATHEESH
    1997
  • 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

    Dr.Y. PURUSHOTHAM
    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).

    Dr. N.R. MUNIRATHNAM
    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

    Dr.Y. PURUSHOTHAM
    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

    Dr.Y. PURUSHOTHAM
    1996
  • 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)

    Dr. R. RATHEESH
    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).

    Dr. R. RATHEESH
    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)

    Dr. R. RATHEESH
    1996
  • 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.

    Dr. R. RATHEESH
    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.

    Dr. R. RATHEESH
    1995
  • Vibrational Analysis of NaM2(OH)(H2O)(MoO4)2[M= Ni, Zn], R.Ratheesh, G.Suresh and V.U.Nayar , Pramana, 44, 5, 1995.

    Dr. R. RATHEESH
    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)

    Dr. R. RATHEESH
    1995
  • 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

    Dr.Y. PURUSHOTHAM
    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

    Dr.Y. PURUSHOTHAM
    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

    Dr.Y. PURUSHOTHAM
    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)

    Dr. R. RATHEESH
    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

    Dr.Y. PURUSHOTHAM
    1995
  • Spectroscopic investigation of a single crystal K3H(SeO4)2, G.Suresh, R.Ratheesh, V.U.Nayar and M.Ichikawa,Ferroelectrics,  173, 257 (1995).

    Dr. R. RATHEESH
    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

    Dr.Y. PURUSHOTHAM
    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

    Dr. K P MURALI
    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.

     

    Dr. R. RATHEESH
    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

    Dr. R. RATHEESH
    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 conductivity and thermopower studies of titanium substituted lithium magnesium ferrites, Y.Purushotham, M.B.Reddy, Pran Kishan, D.R.Sagar and P.V.Reddy, Materials Letters, 17 (1993) 341-345

    Dr.Y. PURUSHOTHAM
    1993