Research

Reports / Monographs

BARC Report no. BARC / I – 663, 1981 – Micro based RIA Counter.

Prof. R.M.Mehra 

    SOLAR CELL

• Pramod K. Singh, B. Bhattacharya, R.M. Mehra, Hee-Woo Rhee (2011Plasticizer doped ionic liquid incorporated solid polymer electrolytes for photovoltaic application Current Applied Physics 11, 616-61
• Seema Rani,  Poonam Suri and R. M. Mehra (2011)Mechanism of charge recombination and IPCE in ZnO dye-sensitized solar cells having I-/I3- and Br-/Br3- redox  redox coupleProgress in photovoltaics: research and applications Prog. Photovolt: Res. Appl. 19, 180-186 
• H. K. Singh, D. C Agarwal, P. M. Chavhan, R. M. Mehra, S. Aggarwal, P K Kulriya, A. Tripathi, D. K. Avasthi (2010)Study of swift heavy ion irradiation effect on indium tin oxide coated electrode for the dye-sensitized solar cell application Nuclear Instruments and Methods in Physics Research, Section B: Beam Interactions with Materials and Atoms 238, 3223

    MULTIFUNCTIONAL MATERIAL (ZnO)

• Vinod Kumar, R. G. Singh, L.P. Purohit, R. M. Mehra (2011) Structural, Transport and Optical Properties of Boron-doped Zinc Oxide nanocrystalline Journal of Materials Science and Technology, 27, 481-488
• R.G. Singh, Fouran Singh, Vinod Kumar, R.M. Mehra (2011) Growth kinetics of ZnO nanocrystallites: Structural, optical and photoluminescence properties tuned by thermal annealing Current Applied Physics 11 624-63 
• Mamta Sharma and R. M. Mehra (2010)Sol-gel derived Zinc Oxide films alloyed with Cobalt and aluminiumThin Solid Films, 518 (14), 3725-3730
• Avinashi Kapoor, R. M. Mehra, V. K. Sharms, K. N. Tripathi and P. C. Mathur  (1992) Theory of constant current phase of reverse recovery transient for measurement of minority carrier lifetime in a homojunction p-n solar cell J. I. E. T. E., 38, 289.

    POROUS SILICON

•  R.G. Singh, Fouran Singh, R.M. Mehra, D. Kanjilal, V. Agarwal (2011) Synthesis of nanocrystalline α-Zn2SiO4 at ZnO–porous silicon interface: Phase transition study Solid State Communications 151, 701–703
• R. G. Singh, Fouran Singh, I. Sulania, D. Kanjilal, V. Agarwal, Kiran Sehrawat, R. M. Mehra (2009)Electronic excitations induced modifications of structural and optical properties of ZnO-porous silicon nanocompositesNucl. Instr. and Meth. B, 267, 2399-2402
• R. G. Singh, Fouran Singh, D. Kanjilal, V. Agarwal, R. M. Mehra (2009)White light emission from chemically synthesized ZnO–porous silicon nanocompositeJ. Phys. D: Appl. Phys., 42, 062002.

    COMPOSITE CONDUCTING POLYMERS

• Varij Panwar, Jong-Oh Park, Suk-Ho Park, Sanjeev Kumar and R. M. Mehra (2010)Electrical, Dielectric, and Electromagnetic Shielding Properties of Polypropylene-Graphite Composites Journal of Applied Polymer Science Journal, 115 (3), 1305-131
• Panwar V., Kang, B., Park, J.-O., Park, S. and Mehra, R. M. (2009) Study of dielectric properties of styrene-acrylonitrile graphite sheets composites in low and high frequency region European Polymer Journal 45, 1777-1784
• N. k. Srivastava and R. M. Mehra (2009) Effect of γ-rays irradiation on  morphology and electrical properties of poly (vinyl chloride)/graphite composites Polymer Engineering Science, 49, 1136 - 1141

    AMORPHOUS SEMICONDUCTORS

• S.K. Sharma, Himanshu Gupta, L.P. Purohit, K.N.P. Kumarc, BoGyunKim, R. Kumar, R.M.Mehra (2011) Optical properties of Se or S-doped hydrogenated amorphous silicon thin films with annealing temperature and dopant concentration Journal of Alloys and Compounds 509, 3338-3342
• S. K. Sharma, Krishnankutty-Nair P. Kumar, K.J. Kang, R.M. Mehra (2009) Effect of illumination on hydrogenated amorphous silicon thin films doped with chalcogens Journal of Non-Crystalline Solids, 355, 1638.
• Dinesh C. Sati, R. Kumar, R. M.  Mehra, H. Jain, Ashtosh Ganjoo (2009) Kinetics of photodarkening in a-As2Se3 thin films Journal of Applied Physics, 105, 123105.

    SEMICONDUCTOR DEVICES

•  Neeru Kumar, Ravinder Kaur, R.M. Mehra (2007) Photoluminescence studies in sol–gel derived ZnO films Journal of Luminescence, 126, 784-788.
• Neeru Kumar, R. Kaur, R. M. Mehra (2006) Characterization of sol-gel derived Yttrium Doped n-ZnO/p-Si Heterostructure Materials Science-Poland, 24, 375-383.
•  V. Gopal, S. K. Singh and R. M. Mehra  (2002) Analysis of dark current contributions in mercury cadmium telluride junction diodes ?Infrared Physics & Technology, 43, 317-326.

    HIGH Tc SUPERCONDUCTORS 

•  A.Mishra, S. K. Bansal and R. M. Mehra (1998) Interaction of superconducting Y1Ba2Cu3O7-x targets with 1.064 (m) Q-switched Nd:YAG laser Journal of Laser Application, 10, 11-17.
• R. M. Mehra, A. Mishra and S. K. Bansal (1996) Interaction of Q-switched Nd:YAG Laser with high temperature superconductive surfaces  Materials Science Forum, 223-224, 341-352.
• Anurag Mishra, N. D. Kataria, C. L. Garg, S. K. Bansal and R. M. Mehra (1995) Nd:YAG laser irradiation of  molecular beam epitaxy deposited  Y1Ba2Cu3O7-x superconducting thin films Superconductor Sci. & Tech. (IOP) UK, 8, 85-88.

    CRYSTALLINE SEMICONDUCTORS

• S. B. Singh, P. K. Singh, R. M. Mehra and G. P. Srivastava  (1981) Study of scattering mechanism in p-Ge with magneto microwave Kerr effect measurements at 24 GHz Solid State Communications, 38, 125-128.
• R. M. Mehra and G. P. Srivastava (1975)The free carrier magneto microwave effects in p-type germanium phys. stat. sol. (b), 68, 497-506.3
•  S. B. Singh, R. M. Mehra and P. C. Kothari (1975) Magneto microwave Kerr effect in n-type Indium AntimonideJ. Phys. D: Appl. Phys., 8, L 96-99 

    FERRITES AND DIELECTRICS

• P. K. Singh, Shiva Prasad, R. M. Mehra, Pran Kishan, S. B. Singh and G. P. Srivastava (1980) A study of effective line width of Li-ferrites by magneto-microwave Kerr effect at 24 GHz Journal of Magnetism & Magnetic Materials, 21, 297-306.
• S. B. Singh, P. K. Singh, R. M. Mehra and G. P. Srivastava (1980) K-band interferometer for measuring the magneto microwave Kerr effect in   semiconductors and ferrites Experimentelle Technik der Physik, 28, 69.
• S. Prasad, S. B. Singh, R. M. Mehra and P. K. Singh (1979)A new expression for diagonal components of the permeability tensor and resonance in partially Magnetized ferrites phys. stat. sol. (b), 51, K 75-78. 

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Ms. Rashmi Priyadarshini 

• “Microcontroller -based offline SOC estimation” published in proceedings of National Conference on Recent Trends in Electrical and Electronics Engineering(RTEE-2010),14-15th May.2010.Also Accepted in International journal of Electronics Engineering,june 2010.
• “Performance Appraisal of microcontrollers in SOC estimation of Li-ion” published in proceedings of International Conference “ Satellite Conference on ICM2010”, 14-17 th Aug,2010.
• “Hardware Software cosynthesis environment for embedded systems” published  in International journal of Electronics Engineering,(ISSN No. 0973-7383)vol.I,Dec. 2009

Noor-e-Zehra

• “Wavelet Based Simulation of Reservoir Flow”,AIP Conference     Proceeding,Volume1146,Melville,New York,2009,284-300
• “Wavelet Analysis of EOG”Proceeding of the IVth International workshop on application of wavelets to real world problem in IWW2009,Kocaeli University, 139-148
• Automatic Analysis Of EOG Using Wavelet,Proceedings Of NCACA-2009,72-75
• Presented paper on “ Identification of SEM event in EOG and seizure in EEG using wavelet energy function” in 7th International Conference on Industrial and applied mathematics in July 18-22 in Vancuover,British Columbia , CANADA.
• Paper presentation on the topic “Differentiation of REM and SEM of EOG using Wavelet” in Satellite conference of ICIAM 2010 conference held in Delhi, India
• Paper presentation on the topic “Reservoir flow simulation by wavelet techniques” in an international conference(ICMM2009) in Sultan Qaboos University,Muscat,Oman
• Paper presentation on the topic ”Feature extraction of ECG signal  by daubechies wavelet packet” in an International Conference on modeling of engineering and technological problems[ICMETP] held in Agra,India

Mr. Hitesh Kumar 

• "3D Integration-Opportunities and Challenges”, Hitesh Kumar, Sunita Singh and Chakresh Kumar, International Journal of Electronic and Electrical Engineering. ISSN 0974-2174 Volume 3, Number 1 (2010), pp. 125--131

Shailendra Kumar Tripathi 

• “Multifunction filter with CMOS Inverting Current Conveyor (ICCII)”,In  National Conference on Modern Trends in Electronics & Communication Systems, Proceedings of MTECS-2008, pp. 127-130,  Aligarh  Muslim University, Aligarh.  
• “Load insensitive current mode universal filter with Multioutput-ICCII”, In  National Conference on Emerging Trends in Electrical, Electronics and Computer Technologies, Proceedings of NEECT-2008, pp. 56-62, Ajay Kumar Garg Engineering College, Ghaziabad. 
• “Sinusoidal oscillator using MOICC-II,” In National Conference on Future Trends in Information and Communication Systems, 2010, RKGIT, Ghaziabad