·         Structural and Electrical Properties of Radio Frequency Sputtered HfTaOx Films
       for High-k Gate Insulator, Mrinal K. Hota, Sandipan Mallik, Chandan K. Sarkar,
       Shikha Varma, and C. K. Maiti, Jap. Jour. of Appl.Phys. 50 (2011) 10110.

2010

·         Size Dependant Electronic Structure from InP Nanodots, D. Paramanik,
       S. R. Sahoo, Subrata Majumder and Shikha Varma, Vacuum 84 (2010) 602.

·         Formation of self organised Ta nano-structures by Ar+ ion sputtering of Ta foil:
       XPS and AFM study, V.R.R. Medicherla, S. Majumder, D. Paramanik and

       Shikha Varma, Jour. of Electron Spectroscopy and Rel. Phenomena, 180 (2010) 1.

·         Vertically aligned Mn-doped Zinc Oxide nanorods by hybrid wet chemical route,
R.N. Gayen, S. Majumder, Shikha Varma, and A. K. Pal, Mater. Chem. Phys.
123 (2010) 138.

·         Ferromagnetism in ZnO Single Crystal, D. K. Mishra, P. Kumar, Manoj Kumar
Sharma, J. Das, S. K. Singh, B. K. Roul, Shikha Varma, Ratnamala Chatterjee,
 V. V. Srinivasu and D. Kanjilal, Physica B: Condensed Matter 405 (2010) 2659.

·         Micro Raman and XPS studies of pure ZnO ceramics,  J. Das, S.K. Pradhan,
D.R. Sahu,D. K. Mishra, S.N. Sarangi, B.B. Nayak, Shikha Varma, B. K. Roul, 
Physica B 405, (2010) 2492.

·         Preparation and Characterization of TaAlOx High –k dielectric for metal-insulator
metal-capacitor applications, M. K. Hota, C. Mahata, M.K. Bera, S. Mallik, B.
Majhi, T. Das,C.K. Sarkar, Shikha Varma, and C.K. Maiti,
Thin Solid Films 519 (2010) 423.  

2009

·         Fabrication, photoemission Studies and sensor of Hg nanoparticles templated on

     Plasmid DNA, Subrata Majumder, M. Priyadarshini, U. Subudhi, M. Umananda,

     G.B.N. Chini, P.V. Stayam,  Shikha Varma, Appl. Phys. Lett., 94 (2009)  073110.

     Also appeared  in Nature India

     Also appeared in  Virtual Journal of Biological Physics 17, March1 (2009) 5 

·         Observation of semiconductor-magnetic behavior in undoped ZnO nanocrystal
at Room Temperature, S. Majumder, D. Paramanik, A. Gupta, Shikha Varma,  
Appl. Surf. Sci. 256 (2009) 513.

·         Nano Pattern Formation and Surface Modifications by Ion  Irradiation, Dipak
Paramanik, Subrata Majumder, S. R. Sahoo, Shikha Varma, Defence Science
Journal : Ion BeamTechnology 59, (2009) 413.

·         X-Ray Photoelectron Spectroscopic Investigations of Modifications in Plasmid

      DNA after Interaction with Hg-Nanoparticles, S. Majumder, M. Priyadarshini,

      U. Subudhi, G.B.N. Chainy and Shikha Varma, Appl. Surf. Sci, 256 (2009) 438.

·         Evolution of surface morphology of NiO thin films under swift heavy ion irradiation,

      P. Mallick, Chandana Rath, S. Majumdar, R. Biswal, D. C. Agarwal, Shikha Varma,

      D.K. Avasthi, P.V. Satyam and N. C. Mishra, Appl. Surf. Sci, 256 (2009) 521.

·         Surface plasmon characteristics of nanocrystalline gold/DLC composite films
prepared by plasma CVD technique, R. Paul, S. Hussain, S. Majumder,
Shikha Varma and A. K. Pal, Mater. Sc.& Engg. B, 164 (2009) 156.

·         Surface roughness and power spectral density study of SHI irradiated ultra-thin
 gold  films, P. Dash, P. Mallick, H. Rath, A. Tripathi, Jai Prakash, D.K. Avasthi,
 S. Majumder, S.Varma, P.V. Satyam and N.C.Mishra,
Appl. Surf. Sci., 256 (2009) 558.

·         Charge Trapping and Reliability Characteristics of Sputtered Y2O3 high- k

      dielectrics on N- and S- passivated germanium, C. Mahata, M.K. Bera, T.Das,
      S. Mallik, M.K. Hota, B. Majhi, Shikha Varma, P.K. Bose, C.K. Maiti, 

      Semicond. Sci. Technol., 24 (2009) 085006.

·         Synthesis of Controlled Diluted Magnetic Semiconductor by Ni Implantation in ZnO

       Crystal, D. K. Mishra, P. Kumar, Sandeep Kumar, S. Mohapatra, Indra Sulania,

       A. Tripathi, S. Varma, Manoj Kumar Sharma, Ratnamala Chatterjee, and
       D. Kanjilal, Advanced Science Letters 2,  (2009) 324.

·         High Performance TaYOx-based MIM Capacitors, C. Mahata, M.K. Bera,

       M.K. Hota, T.Das, S. Mallik, B. Majhi, Shikha Varma, P.K. Bose, C.K. Maiti,

       Microelectrnic Engineering, 86 (2009) 2180.

2008

·         Scaling Studies of Nano-dots on InP(111) Surfaces after MeV Implantation,
D.Paramanik,S.R. Sahoo, S. Majumder and Shikha Varma, J. NanoSci. and
Nanotech. 8 (2008) 4207.

·         Studies of self-organized Nanostructures on InP(111) surfaces after low energy
Ar+ ion irradiation, D. Paramanik, S. Majumdar, S.R. Sahoo and Shikha Varma,
J. Nanosci. and Nanotech. 8 (2008) 4227.

·         Morphological Evolution of InP Nano-Dots and Surface Modifications after keV 
 Irradiation, D. Paramanik, S.N. Sahu, Shikha Varma, J. Phys. D-Appl. Phys.,
41 (2008)  125308.

·         Studies of InP Nano dots formation after keV Ar+ irradiation, D. Paramanik and
 Shikha Varma, Nucl. Inst. and Meth.B 266, (2008), 1257.

·         Synthesis of Gold Silicon Core shell Nanoparticles with tunable localized Surface
 Plasmon Resonance., S. Mohapatra, Y.K. Mishra, D.K. Avasthi, D. Kabiraj, 
 J. Ghatak, Shikha Varma, Appl. Phys. Lett, 92 (2008) 103105.

·          keV ion-induced Effective surface modifications, I Sulania, A. Tripahti, D. Kabiraj,
   Shikha Varma, D.K. Avasthi, J. NanoSci. and Nanotech., 8 (2008) 4163.

·         Thermal Plasma sintered Ti doped Al-Zr oxide composites: X-ray Photoelectron
 spectroscopy study, M. Ray, D.K. Mishra, Shikha Varma, B.K. Roul, J. Materials:
 Design and Applications, 222 (2008) 103.

·         SIMS study of effect of Cr adhesion layer on the thermal stability of silver  selenide
 thin films on Si, B.C. Mohanty, A.K. Tyagi, A.K. Balamurugan,  Shikha Varma,
S. Kasiviswanathan, Nucl. Instru. Meth B 266, (2008), 1480.

·         Nonlinear Optical Response of chloro AluminiumPhthalocyanine encapsulated
silica core-shell, K. Sathiyamoorthy, C. Vijayan, Shikha Varma, Langmuir
24 (2008) 7485.

·         Boron phosphide films prepared by co-evaporation technique: synthesis and
characterization, S. Dalui, S. Hussain,  Shikha Varma , D. Paramanik and A. K.
Pal, Thin Solid Films,516, (2008) 4958.

2007

·         Raman Scattering Characterization and Elcetron Phonon Coupling Strength For
MeV Implanted InP(111), D. Paramanik, Shikha Varma,
J. App. Phys., 101 (2007) 023528.

·         Raman Scattering Studies of InP Nanostructures created by MeV Sb Implantation,
 D. Paramanik, Shikha Varma,  J. Nanosci. and Nanotech., 07 (2007) 2197.

·          Synthesis of Au nanoparticles in partially oxidized Si matrix by atom beam sputtering
 S. Mohapatra, Y K Mishra, D K Avasthi, D Kabiraj, J Ghatak and Shikha Varma
 J. Phys. D: Appl. Phys.40 ( 2007) 7063.

·          BSb films: Synthesis and Characterization, A.K. Pal, S. Dalui, S. N. Das, S. Hussain,
 D. Paramanik, Shikha Varma, J. Crys. Growth. 305 (2007) 149.

·         Formation of gold nanoparticles in ploymethylemethacrylate by UV irradiation,
Mazid Kazemian Abyaneh, D. Paramanik, Shikha Varma, S.W. Gosavi, and
S.K. Kulkarni, J. Phys.D:  Appl Phys. 40 (2007) 3771.

2006

·         Nanoscale defect formation on InP(111) Surfaces after MeV Sb Implantation,
D. Paramanik, Asima Pradhan, Shikha Varma, Jour. App. Phys., 99 (2006)
014304-014310.

·         Shape Transition of Nanostructures created on Si(100) surfaces after MeV
Implantation, D. Pramanik, S.Dey, V. Ganesan, Shikha Varma, Nucl. Instr.
Meth. B 244 (2006) 74-77.

·         Formation and Shape Transition of Nanostructures on Si(100) surfaces after
MeV Sb implantation, Soma Dey, Dipak Paramanik, V. Ganesan, Shikha Varma,
 Appl. Surf. Sci.,253 (2006) 1116-1121.

·         Surface Roughening and Radial Separation Distribution Studies on InP(111)
Surfaces after MeV Sb Implantation, D. Paramanik, Shikha Varma, Nucl. Instru.
Meth. B,244 (2006) 81.

·         Pattern Formation on  InP(111) Surfaces after MeV Implantation, D. Paramanik,
 Shikha Varma, Nucl. Instru. Meth. B, 244 (2006) 69-73.

·         Leakage current characteristics and energy band diagram of Al/ZrO2/Si_0.3Ge _0.7
hetero-MIS structures, S Chakraborty, M K Bera, G K Dalapati, D Paramanik,
Shikha Varma, P K Bose, S Bhattacharya and C K Maiti, Semiconductor
Science & Technology., 21(2006) 467.

·         High Frequency Characterization and Continuum Modeling of Ultrathin high-k
(ZrO2) gate dielectrics on strained-Si, M.K.Bera, S. Chakraborty, S. Saha, D.
Paramanik, Shikha Varma, S. Bhattacharya and C.K. Maiti. Thin Solid Films
504 (2006) 183.

2005 

·         Surface Characterization and Electronic Structure of HgTe Nanocrystalline Thin
Films, S. Rath, D. Paramanik, S.N. Sarangi, Shikha Varma, S.N. Sahu,
 Phys. Rev. B.  72 (2005) 205410.

·         Adsorption and Hetrogeneous reduction of arsenic at the phyllosilicate-water
interface, L. Charlet,  S. Chakraborty, Shikha Varma, C. Tournassat, M. Wolthers,
 D. Chatterjee, and G. Roman Ross, In Advances in Arsenic Research: Integration
 of Experimental and Observational Studies and Implications for Mitigation (Eds.
P. A. O'Day, D. Vlassopoulos, X. Ming, L. G. Benning), ACS Symposium Series
 Special Issue on As Geochemistry, 915 (2005) pp 41-59.

2004

·         Scanning Probe Microscopes, Shikha Varma, Physics Education, Spl. Edition on
 Microscopy,  20 (2004) 51.

·         Composition and Optical  Chracteristics of Electrochemically Synthesized GaAs
nanocrystals J. Nayak, Shikha Varma, D. Paramanik and S.N. Sahu, Intl. Jour.of
Nanoscience, 3 (2004) 281.

·         CVD Growth and Characterization of 3C-SiC thin films, A  Gupta, D.Paramanik,
Shikha Varma, and   C. Jacobs, Bull. Mat. Res. 27 (2004) 445.

·         Electrical Properties of high permittivity ZrO2 gate dielectrics on strained-Si, C.K.
 Maiti, G.K. Dalapati, S. Chatterjee,  S.K. Samata, S. Patil,  S. Varma,
Solid State Electronics,  48 (2004) 2235.

·         Electrical Properties of and Conduction Mechanism in Ultrathin ZrO₂ Films on
Si_1-yC_y Heterolayers,; G.K. Dalapati, S.K. Samata, S. Chatterjee,  P.K. Bose,
 S. Varma,  Shivaprasad Patil and C.K. Maiti, Jap. Jour. of Appl. Phys., 43
 (2004) 3498.

2003

·         Damage and substitution anomalies for MeV Sb implantation in Si(100) after high
 energy irradiation, Soma Dey, Shikha Varma, Nucl. Instr. and Meth. in Phys. Res.
 B ,  212C (2003) 146.

·         Substitution and diffusion behaviour of MeV implanted Sb in Si (100) after carbon
 irradiation Soma Dey, Shikha Varma, Nucl. Instr. and Meth. in  Phys. Res. B , 
212C (2003) 228.

·         Surface Modifications in Silicon(100) due to Antimony Implantation, Shikha Varma,
 Soma Dey,  V. Ganesan,  Physics at Surfaces and Interfaces, Published by World
Scientific, Singapore (2003) 171.

·         Resonance scattering and RBS from non-stoichiometric oxides, U. De, K.C.
Varma, A. Sarkar, Soma Dey,  Shikha Varma, Nucl. Instr. and  Meth. in Phys.
Res. B , 212C (2003) 505.

·         Electrical Properties of Ultrathin TiO₂ Films on Si_1-yC_y Heterolayers,G.K.
Dalapati,  S. Chatterjee, S.K. Samata, S.K. Nandi, P.K. Bose, S. Varma,
Shivaprasad Patil and C.K. Maiti, Solid State Electronics, 47 (2003) 1793-1798.

·         Electrical Properties of Ta₂O₅ Films Deposited on ZnO; S. K. Nandi,
S. Chatterjee,  S. K. Samanta, G. K. Dalapati, P. K. Bose, Shikha Varma,
 Shivprasad Patil, and C. K. Maiti, Bull. Mat. Sci.,  26 (2003) 365.

2001

·         Anomalous Behaviour of Sb Implanted Si after mega-electron-volt carbon irradi-
ation; Soma Dey,  Shikha Varma, Journal of Applied Physics,90 (2001) 2618.

2000

·         Damage studies of MeV Sb Implanted Si(100) by channeling and Raman Spectro-
scopy; Soma Dey,  A. Pradhan, Shikha Varma, Jour. of Vacuum Sci and Tech. B
18 (2000) 2457-2462.

·         Raman Scattering Characterization of Si(100) implanted with Mega electron Volt
Sb;  Soma Dey, C. Roy, A. Pradhan, Shikha Varma,  Jour. Appl. Phys. 
87 ,3 ,(2000) 1110-1117.

1999

·          Raman Spectroscopy Study of Nanostructures of Si in Sb implanted Si(100);
 Soma Dey, C. Roy, A. Pradhan, ShikhaVarma, Physics of Semiconductor Devices,
 eds. V. Kumar and S.K.  Agarwal (Allied Publishers, New Delhi, (1999) 1049.

·          Sb implantation in Si(100) : Channeling and damage studies; Soma Dey, G. Kuri,
 B.Rout, Shikha Varma, Solid State Phys. (University Press Hyderabad, India)
42 (1999) 268.

·          Probing  Gauge String Formation in a  Superconducting Phase Transition; S. Rudaz,
 A.M. Srivastava, Shikha Varma, Int. J. Mod. Phys. A14 (1999) 1591.

1998

·         Range Profiles and Lattice location of MeV implant of Sb in Si(100); Soma Dey,
 G. Kuri, B. Rout,  Shikha Varma,  Nucl. Instr. and Meth. 142 (1998) 35-42.

1997

·         Characterization of MeV implant of Antimony in Si(100); Soma Dey, G. Kuri,
B. Rout, Shikha Varma, Solid State Phys. (India) 40C (1997) 395.

·         InP Islands on InGaP/GaAs(001): Island Separation Distributions; ShikhaVarma,
 C.M. Reaves,  V.B. Hill, S.P. DenBaars and W.H. Weinberg,
Surface Science 393(1997) 24.

1996

·          MOCVD Growth of InP on InGaP/GaAs(001): An AFM Study; Shikha Varma
, C.M. Reaves,   V.B. Hill, W.H. Weinberg, and S.P. DenBaars, in Thin Film
Characterization and Application, edited by Sa. K. Narayandass and D. Mangalaraj,
 Allied Publishers, (1996) page 252.

·         RBS Technique as Applicable to Thin Films; Shikha Varma, Thin Film Characterization
 and Application, in edited by Sa. K. Narayandass and D. Mangalaraj, Allied Publishers,
(1996) page 74.

·         Scanning Tunneling Microscopy Study of InAs epitaxy on GaAs(001); Shikha Varma,
V.B. Hill, A. Lorke, P.M. Petroff, and W.H. Weinberg,  Ind. Jour. Phys. 70A (1996) 659.

·         Effects of Strain on Island Scaling by Monte Carlo Simulations; B.Z. Nosho, V.B. Hill,
 Shikha Varma,   and W.H. Weinberg, Surface Science 364 (1996) 164.

1995

·         Characterization of InP islands on InGaP/GaAs(001): Effect of Deposition Temperature;
 V.B. Hill,  C.M. Reaves, Shikha Varma, S.P. DenBaars,and W.H. Weinberg,
Surface Science 341 (1995) 29.

·         Island Scaling in Strained Heteroepitaxy: InAs/GaAs(001); V.B. Hill,  Shikha Varma,
Axel Lorke,  B.Z. Nosho, P.M. Petroff, and W.H. Weinberg,
Phys. Rev. Lett., 74 (1995) 3209.

·         Nanoscale Characterization of InP Islands on InGaP(001); V.B. Hill, C.M. Reaves, 
Shikha Varma, S.P. DenBaars, and W.H. Weinberg, in: Microphysics of surfaces:
Nanoscale processing, Vol. 5 (1995), Technical Digest Series (Optical Society of
America, Washington, DC, 1995) 36-38.

·         Characterization of MOCVD -grown InP on InGaP/GaAs(001); C.M. Reaves,
V.B. Hill,   Shikha  Varma, W.H. Weinberg, and S.P. DenBaars, Surface Science
 326 (1995) 209.

1994

·         Formation of Coherently Strained Self Assembled InP -quantum Islands on
InGaP/GaAs(001); S.P. DenBaars, C.M. Reaves, V.B. Hill, Shikha Varma,
W.H. Weinberg, and P.M. Petroff, J. of Crystal Growth 145 (1994) 721.

·         Initial Stages of InAs epitaxy on vicinal GaAs(001) -2x4; V.B. Hill, Axel Lorke,
 Shikha Varma, P.M. Petroff, K. Pond, and W.H. Weinberg,
Phys. Rev. B50 (1994) 8479.  

·         The Study of MgO(001) surfaces by Photoelectron Diffraction; Shikha Varma,
X. Chen, J. Zhang,  Ivan Davoli, D.K. Saldin, and B.P. Tonner, Surface Science
314 (1994) 145.

1993

·         Epitaxy of fcc and bcc Co, Ni, and Cu studied by X-ray Photoelectron Diffraction;
 J. Zhang, Z. -L Han, Shikha Varma, and B.P. Tonner, Surface Science
298 (1993) 351.

1992

·         Detailed XPS Valence Band and Core Level Studies of Select Metals Oxidations;
Terry Barr, M.P.Yin,   Shikha Varma, J. Vac Sci. Tech. A10 (1992), 2383.

·         Surface Studies of Al₂O₃ and the Growth of Thin Films of Cu on Al₂O₃;
Shikha Varma, G. S.Chottiner,  Mehran Arbab, J. Vac Sci. Tech. A10 (1992),
2857.

1990

·         Synchrotron Radiation Induced Chemical Vapor Deposition of Thin Films from
Metal Hexacarbonyls;  Derrick Mancini, Shikha Varma, John K. Simons, Richard
 Rosenberg, P. A. Dowben,  J. Vac. Sci.Tech., B8 (1990) 1804.

·         The Effect of Lateral interaction on the Thermal Desorption of N₂ from Ni(100);
Shikha Varma,  P. A. Dowben, J. Vac. Sci. Tech., A8 (1990) 2605.

·         The Effect of Crystallography on  the 5d Branching Ratio, Shikha Varma, Y. J.
Kime, D. LaGraffe,   P. A. Dowben, M. Onellion and J. L. Erskine,
J. Chem. Phys. 93 (1990) 2819-2826.

1989

·         The Deposition of Molybdenum from Mo(CO)₆; Shikha Varma, Yoon Gi Kim,
Zoran Psenicnik,  P. A. Dowben,  Robert R. Birge, Protective Coatings: Processing
and Characterization. Proceedings of 1989 TMS, The Minerals,  Metals and
Materials Society; edited by R.M. Yazici, p.101.

·         Surface Lattice Strain and the Electronic Structure of Thin Mercury Overlayers;
Shikha Varma,Y.J. Kime, P.A. Dowben, and M. Onellion, Proc. Mat.  Res. Soc.
Symp. Proc. 143, Synchrotron Radiation in Materials Research, R.  Clarke, J.
Gland, and J.H. Weaver (1989) 85-90.

·         The Influence of  Crystallographic Order Upon the Electronic Structure of Thin
Mercury Overlayers; P. A. Dowben, M. Onellion, Shikha Varma, Y. J. Kime
and J. L. Erskine J. Vac. Sci. Tech. A 7 (1989) 2070-2074.

1988

·         The Correlation Between Strain And Electronic Structure in Monolayer Thick
Films; P. A. Dowben,  Shikha Varma, Y. J. Kime, D. R. Muller and M. Onellion,
 Z. Phys. B 73 (1988) 247-255.

1987

·         The Interaction of Hg Overlayers with Ag(100) Surface; P. A. Dowben, Y. J.
Kime, Shikha Varma,  M. Onellion, and J. L. Erskine, Phys. Rev. B. 36 (1987)
2519-2529.

1986

·         Resonant Photoemission at the 5p and 4f Thresholds of Mercury; Shikha Varma,
 Y. J. Kime, P. A. Dowben, M. Onellion and J. L. Erskine, Phys. Lett. A. 116
(1986) 66-70.

·         Structure Induced Electronic States For Hg Overlayers on Ag(100); M. Onellion,
J. L. Erskine, Y. J. Kime,  Shikha Varma, and P. A. Dowben,  Phys. Rev. B.
(Rapid Communications), 33 (1986) 8833-8836.

·         Characteristic Electron Energy Loss Studies of Molecular Halogens adsorbed on
Fe(100); P.A. Dowben,   M. Grunze, and Shikha Varma, Solid State Commun.
57 (1986) 631.