H C Verma's Webpage




Some of My Publications

Communicated for publication
Current Publication
Publication up to Year 2004

 

List of publications up to 2004
 

48. Anomalous  Mössbauer parameters in the second generation regolith Ghubara meteorite
    H. C. Verma and R. P. Tripathi
   

Meteoritics & Planetary Science,   39,1755-9 (2004)
47. Anomalous change in electron density at nuclear sites in nanosize zinc ferrite
   

C. Upadhyay and H.C. Verma,  
    Apll. Phys. Lett. 85, 2074(2004)
46.

Defect studies in Fe-Cu alloys prepared by electrodeposition
    M. K. Roy, V. S. Subrahmanyam and H. C. Verma,
    Physics Letters A, (2004)
45.

Identification of positron trapping sites in nanocrystalline ZnFe2O4 by coincidence Doppler broadening measurements, Mater. Sci. Forum
    Nambissan, P.M.G., Upadhyay, C., and Verma, H.C.
    Mater. Sci. Forum 445-446, 162-164  (2004)
44.

Cation distribution in Nanosized Ni-Zn Ferrites
    Chandan Upadhyay, H.C. Verma , and S. Anand
    Journal of Applied Physics, 95, 5746-5751 (2004)
43.

Mössbauer studies of Fe-Cu alloys prepared by electrodeposition
    M.K.Roy and H.C. Verma,
    Journal of Magnetism and Magnetic Material,  270, 186-193 (2004)
42.

Effect of preparation conditions on formation of nanophase Ni–Zn ferrites through hydrothermal technique
    Chandan Upadhyay, Devabrata Mishra, H. C. Verma, S. Anand and R. P. Das
    Journal of Magnetism and Magnetic Materials, 260, 188-194 (2003)
41.

Effect of addition of Cu(II), Ni(II) and Co(II) ions on conversion of crystalline goethite to magnetite in NH3–FeSO4–H2O medium.
    M. Mohapatra, S. Anand, R. P. Das, Chandan Upadhyay and H. C. Verma
    International Journal of Mineral Processing, 69, 75-86, (2003)
40.

Positron lifetime spectroscopic studies of nanocrystalline ZnFe2O4
    P M G Nambissan, C Upadhyay and H. C. Verma
    J. Appl. Phys. 93, 6320 (2003)
39.

Magnetic Properties of Partially Inverted Zinc Ferrite Synthesized using a New Coprecipitation Technique Using Urea

    Animesh Kundu and H. C. Verma
    Phys Letters 311, 410 (2003)
38.

Systematics of Mössbauer absorption areas in ordinary chondrites and applications to a newly fallen meteorite in Jodhpur, India
    H. C. Verma, Kavi Jee and R. P. Tripathi
    Meteoritics and Planetary Science  38, 963-967 (2003)
37.

Mössbauer and positron annihilation studies in plastically deformed Fe72-xAl28Tix (x=0,2,9) alloys
    Brajesh Pandey, P.M.G. Nambissan, Satyam Suwas and H. C. Verma
    J. Mag. Magn. Mater., 263, 307 (2003)
36.

A Controlled Process to Synthesize Nanocrystalline Zinc Ferrite of Desired Crystallite Size 
    A. Kundu, S. Anand and H. C. Verma
    Powder Technology 132, 131(2003)
35.

Thermal decomposition pattern and particle size estimation of iron minerals associated with the Cretaceous–Tertiary boundary  at Gubbio
    H. C. Verma, C. Upadhyay, A. Tripathi, R. P. Tripathi and N. Bhandari
    Meteoritics & Planetary Science, Volume 37 , 901-910,   (2002)
34.

Preparation and characterization of Cu(II), Ni(II) or Co(II) ion-doped goethite samples and their conversion to magnetite in NH3–FeSO4–H2O medium
    M. Mohapatra, S. Anand, R. P. Das, Chandan Upadhyay and H. C. Verma
    Hydrometallurgy, 66(1-3),125-34 (2002)
33.

Aqueous reduction of crystalline goethite under ammoniacal conditions.

    M. Mohapatra, S. Anand, R. P. Das, C. Upadhyay and H. C. Verma
    Hydrometallurgy, 65(2-3), 227-35 (2002)
32.

Phase transformations in Fe72-xAl28Tix (x=0,2,6,9) alloys induced by severe plastic deformation,
    Brajesh Pandey, Satyam Suwas and H. C. Verma
    Journal of Magnetism and Magnetic Materials, 246, 151-161 (2002)
31.

Structural, thermal stability and defect studies of  Fe-Ag alloy prepared by electrodeposition technique

    M.K. Roy ,  P.M.G. Nambissan and H. C. Verma
    J Alloys and Compounds 345, 183-188 (2002)
30.

Global Occurrence of Magnetic and Superparamagnetic Iron Phases in KT Boundary
    N. Bhandari, H. C. Verma, C. Upadhyay, Amita Tripathi and R.P. Tripathi,
    Geological Soc. Am. Sp Paper 356, 201-211 (2002)
29.

Mössbauer spectroscopic studies of an oxidized ordinary chondrite fallen at Itawa-Bhopji, India.
    H. C. Verma, A. Rawat, B.S. Paliwal  and R.P. Tripathi,
    Hyperfine Interactions, 142, 643-652, (2002)
28.

Evidence of impact at Permian/Triassic boundary from Mössbauer spectroscopy
    H. C. Verma, C. Upadhyay, R.P.Tripathi, A.D. shukla and N. Bhandari 
    Hyperfine Interactions, 141-142, 357-360 (2002)
27.

. Site preferences for cobalt and cobalt-titanium in substituted barium ferrites
    C. Upadhyay, D. K. Rai, H. C. Verma and J. Kumar
    Ind. J. Phys, 75A, 405 (2001)
26.

Mössbauer Studies of nanosize Mn1-xZnxFe2O4 
    C. Upadhyay, H. C. Verma, C. Rath, K.K.Sahu, S. Anand, R.P.Das and N.C. Mishra
    J. Alloys and Compounds, 326, 94 (2001)
25.

Mössbauer Studies of Cation distribution in Natural Chromites from Boula-Nausahi igneous complex, Keonjhar district, Orissa, India
    H. C. Verma, J.K. Mohanty and R.P. Tripathi
    J. Alloys and Compounds, 326, 132 (2001)
24.

Classification of the Didwana-Rajod meteorites: a Mössbauer spectroscopic studies
    B.S. Paliwal, R.P. Tripathi, H. C. Verma and S.K. Sharma
    Meteoritics and Planetary Science, 35, 639 (2000)
23.

A comparative Mössbauer spectroscopic study of the Piplia Kalan (Eucrite) and Lohawat (Howardite) meteorites and its bearing to their parent body
    P.P Tripathi, K.L. Shrivastava, S.K. Sharma and H. C. Verma
    Meteoritics and Planetary Science, 35, 201(2000)
22.

Appearance of superparamagnetism on heating nanosize Mn0.65Zn0.35Fe2O4
    Chandana Rath, N.C. Mishra, S. Anand, R.P.Das,  K.K.Sahu, Chandan Upadhyay and H. C. Verma
    Appl. Phys. Lett. 76,475(2000)
21.

Characterization of iron-bearing minerals in Giril lignite from Rajasthan and study of their decomposition during cumbustion using 57Fe Mössbauer spectroscopy
    H. C. Verma and R.P. Tripathi
    FUEL 79, 599-606(2000)
20.

Mössbauer  studies of phase stability in mechanically stressed Fe-28% Al alloy
    H. C. Verma and Satyam Suwas
    J. Mag. Mag. Mater. 212, 361-367 (2000)
19.

Monte-Carlo studies of phase transitions in liquid crystals
    H. C. Verma
    Physics Letters A216, 217(1996)
18.

Vibrational spectra of defects in crystals: An  orbital  radii approach
    H. C. Verma, George C John and Vijay A. Singh
    Phys. Rev. B B53, 9831 (1996)
17.

Quantum statistical charge distribution in hcp metals
    H. C. Verma and B.C. Rai
    Physics Education 406(1995)
16.

Charge  shift  model  for  tetragonal  closed  packed  metals
    H. C. Verma, B.Kumar, B.C. Rai and S.Chandra
    Hyp. Int. 52, 97(1989)
15.

Studies of ZrFe  alloys using Mossbauer spectroscopy.

    S.N. Gupta and H. C. Verma
    Physica stat. Sol. (a) 105, 275 (1988)
14.

Charge   shift   model  calculation  of  cohesive  energy  of  Magnesium.
    S. Chandra and H. C. Verma
     Physica stat. Sol. (b) 145, K1 (1988)
13.

Cohesive energy of Be calculated with the use of charge shift model.
    S. Chandra and H. C. Verma
    Phys. Rev. B, 34 1293 (1986)
12.

Summation of lattice contributions.
    H. C. Verma
     Hyp.Int. 25 (1985)
11.

An empirical model for  electric  field  gradients  in  group  IIIb and IVb metals.
    S.Chandra and H. C. Verma
    Physica Stat. Sol. 131, K73(1985)
10.

Electric field gradients  in  simple  tetragonal  lattice  at interstitial site.
    D.P.Verma, B.Kumar and H. C. Verma
    Pramana 25, 211(1985)
9.

Validity regions of charge shift model.
    S.N.Gupta, G.Verma and H. C. Verma
    Pramana 23, 39(1984)
8.

Mossbauer efect investigations of  FeZn  alloy  and  analysis using charge shift model.
    H. C. Verma
    Pramana 22, 57(1984)
7.

Latttice sum of electric field field gradients in tetragonal crystals.
    D.P.Verma, A.Yadav and H. C. Verma
    Pramana 21, 357(1983)
6.

Quadrupole interaction at Fe(57) nuclei in Sb metal.
    V.Anila, H. C. Verma, D.K.Gupta and G.N.Rao
    Hyperfine Interactions 15/16, 11(1983)
5.

Systematic  study of the temperature dependence  of  electric field gradients at  probe nuclei in noncubic metals.
    H. C. Verma and G.N.Rao
    Hyperfine interaction 15/16, 207(1983)
 4.

Exact solution of the Schrodinger equation for a particle  in  a tetrahedral box.
    H.R.Krishnamurty, H.S.Mani and H. C. Verma
     J. Phys. A15 ,2131(1982)
3.

Quadrupole  interaction  at  Fe(57)   in   zirconium   metal.
    H. C. Verma, J.Chappert and G.N.Rao
    Hyp. Int. 11, 45(1981)
2.

The  electric  field  gradient  at   Fe(57)   in   zinc   and  comparision   with   the  conduction   electron   charge    shift      model.
    H. C. Verma and G.N.Rao
    Phys. Lett. 82A, 303(1981)
1.

Quadrupole interactions at  Fe(57)  in  the  Te  metal.
    H. C. Verma and G.N.Rao
    Phys. Rev. B22, 3152(1980)