Birla Institute of Technology, Mesra
Faculty Image

Dr. Sunita Keshri

Joined Institute on : 1-Sep-1994

  • Professor
  • Physics
  • M.Sc., A.D (S.I.N.P), Ph.D.
Contact Address

2D, Yuvraj Complex Deputy Para, Ranchi - 834001

2D, Yuvraj Complex Deputy Para, Ranchi - 834001

  • Phone Office - -
  • Phone Residence - 0
  • Email - s_keshri@bitmesra.ac.in
Professional Background
  •  Qualified in National Eligibility Test (1989) of Joint UGC-CSIR
  •  Scored 95.69 percentile in GATE, 1990.
  • Secured Gold Medal for the position of First Class First in B.Sc. (Physics) under the University of Burdwan, W. B.
  • Secured First Class Third position in M.Sc. (Physics) under the University of Burdwan, W. B. 
Research Areas

Functional Materials, Nanotechnology, Thin films, Ferrite Materials, Dielectric Materials, CMR Materials, Fabrications of Dielectric Resonator Antenna, Filter, Coupler and Gas Sensor.
Award and Honours

 Significant Accomplishment 

·      Received an Indo-Russian (DST-RFBR) bilateral project in 2012.

·      Worked/Working as Principal Investigator of several projects sponsored by UGC, DST etc.

·      Guided/guiding six Ph. D. scholars.

·      Presented invited talk in International Conference on Materials Science and Engineering (Materials Oceania 2019), Melbourne, Australia during 16-18 September, 2019

·      Presented oral paper in Asia-Pacific Conference on Engineering and Applied Science, held in Osaka, Japan during 25-27 Aug. 2015.

·      Presented oral paper in Moscow International Symposium on Magnetism in 2011.

·      Presented invited talk in 6th International Workshop on Nanomagnetism and Superconductivity, Coma Ruga, Spain in 2010.

·      Presented oral paper in Colloquium Spectroscopicum Internationale XXXV; held in Xiamen, China on 23-27 Sept, 2007

·      Presented oral paper during International Meeting on Frontiers of Physics, Kuala Lumpur, Malaysia; 25-28 July, 2005.

·      Participated in one College organized by ICTP, Italy.

·      Received Gold Medal for the position of First Class First in B.Sc. (Physics) under the University of Burdwan, W. B.

·      Secured First Class Third position in M.Sc. (Physics) under the University of Burdwan, W. B.

·      Received award for ‘Best oral presentation’ in National Conference on Recent Advances on Materials Sciences (NCRAMS), Nagpur,  21-22 January 2006.

·      Served as Resource person of Refresher Courses of UGC thrice (in 2003, 2007 and 2014), organized by Ranchi University, Jharkhand

·      Served as Resource person of AICTE Sponsored Staff Development Programme twice (2005 and 2008), organized by Birla Institute of Technology, Mesra, Jharkhand.

·      Served as Resource person of Winter School on 'Physics and Technology of Sensors' in 2012, organised by University of Calcutta.

·      Presented several invited talks within and outside of India.

·      Have experience of working as Reviewer of following International Journals: 

Ø Journal of Applied Physics (American Institute of Physics)

Ø Physica C (Elsevier Publication)

Ø Materials Chemistry and Physics (Elsevier Publication)

Ø Journal of Alloys and Compounds (Elsevier Publication)

Ø Journal of Magnetism and Magnetic Materials (Elsevier Publication)

Ø Journal of Alloys and Compounds (Elsevier Publication)

Ø Journal of Materials Science: Materials in Electronics (Springer Publication), etc.
Publications

Journal Publications ( Year wise)

         2025

  1.  Sunita Keshri, Manoj Kumar Rout, Piotr Wi?niewski, Critical Behavior and Magnetocaloric Properties of (0.5)Co0.7Zn0.3Fe2O4 / (0.5)La0.67Sr0.23K0.10MnO3 Nanocomposite, Available online 4 April 2025, 125354, https://doi.org/10.1016/j.jssc.2025.125354.
  2. Parthasarathi Mohanty, Sunita Keshri, Estimation of band gap energy and detection of electronic transitions in UV–visible spectrum of Co4Ta2O9, Materials Letters 390 (2025). https://doi.org/10.1016/j.matlet.2025.138409.
  3. Sonali Biswas, Sunita Keshri, Enhancement of magnetization with sintering temperature for the perovskite manganite

.  https://doi.org/10.1016/j.physb.2025.416927

2024

  1. Manoj Kumar Rout, Sunita Keshri, Elastic, magnetocaloric, and magneto-dielectric properties of La3+ and Dy3+ doped Co0.7Zn0.3Fe2O4 nanoferrites for multifunctional devices, The Journal of Physical Chemistry C (American Chemical Society Publications), 2024, 128, 41, 17731–17746. https://doi.org/10.1021/acs.jpcc.4c05091 (October 9, 2024)
  2. Krishna Kumar Keshri, Manoj Kumar Rout, Rajdeep Saha, Sunita Keshri, Magnetic, Optical, and Antibacterial Properties of Ag+ and Ti4+ Doped Cobalt Ferrite Nanocrystals, Physics of the Solid State (Springer Publication), 2024, Vol. 66, No. 11, pp. 521–528 (Springer publication). https://doi.org/10.1134/S1063783424601255  (14 November 2024)
  3. Krishna Kumar Keshri, Manoj Kumar Rout, Sunita Keshri, Single phase metamaterial behavior in Ag+ and Ti4+ doped cobalt ferrites, Materials Chemistry and Physics (Elsevier Publication),  320, 1 July 2024, 129382. https://doi.org/10.1016/j.matchemphys.2024.129382

         2023

  1. Manoj Kumar Rout, Sunita Keshri, Crossover to the negative dielectric constant in La3+ and Dy3+ doped Co-Zn spinel nanoferrites: Journal of Alloys and Compounds (Elsevier Publication) 965, 25 November, 2023, 171425. https://doi.org/10.1016/j.jallcom.2023.171425

2022

  1. Sonali Biswas, Piotr Wisniewski, and Sunita Keshri, Study of the structural,  electrical and magnetic properties of the   La0.67Pb0.33-xPbxMnO3  nano crystalline materials, Journal of  Low Temperature  Physics (Springer Publication)(Accepted, in Press). https://doi.org/10.1007/s10909-021-02654-z.
  2. Sunita Keshri and Sonali Biswas, Synthesis, physical properties, and biomedical applications of magnetic nanoparticles: a review; Progress in Biomaterials (Springer publication), 11, 2022, 347–372
  3. Shailendra Singh Rajput and Sunita Keshri, Effect of A-site modification on Structural and Microwave Dielectric Properties of Calcium Titanate, Journal of Metals, Materials and Minerals, 32, 118-125, 2022.

2021

  1. Sunita Keshri, Shailendra Singh Rajput, Sonali Biswas, Leena Joshi, Wojciech Suski and Piotr Wi?niewski, Comparative Study on the Structural, Magnetic and Transport Properties of Ca and Sr doped Lanthanum Manganites, Journal of Metals, Materials and Minerals, 31, 2021, 62-68.

2020

  1. Sonali Biswas, and Sunita Keshri, Large magnetocaloric effect near room temperature in La0.67(Sr,K/Pb)0.33MnO3 manganite nanomaterials, Journal of Materials Science: Materials in Electronics (Springer Publication), 31, 2020, 21896–21912.
  2. Parthasarathi Mohanty and Sunita Keshri, ­ Octahedral distortion and oxidation reduction in corundum type Co4Ta2O9 and Co4Nb2O9 ceramics and their correlated electrical conduction, Physica Scripta 95, 2020, 045802.

2019

  1. Sonali Biswas, Sunita Keshri, Room temperature magnetoimpedance of La0.67 Sr0.33-x Pbx MnO 3   manganites, Phase Transitions (Taylor & Fransis Publitions),  92, 172-183, 2019.

2017

  1. Sunita Keshri, Parthasarathi Mohanty, Vibha Rani Gupta, ­ Study on microwave dielectric properties of corundum type(Mg1-x COx)4 Nb2 O9 (x =0-0.6)  ceramics for designing a microstrip branch-line coupler , Journal of Materials Science: Materials in Electronics (Springer publication), 28, 2017, 14436–14445.
  2. Sunita Keshri, Khushboo Singh, Temperature stable ZnTa2O6 dielectric ceramic with 2% W6+ ion substitution in Ta5+ site: Phase Transitions (Taylor & Fransis Publitions), 90, 2017, 1121-1127. 

 

 

2016

  1. A Sonali Biswas, Sunita Keshri, Sudipta Goswami, Jinu Isaac, Swastika Ganguli & Nikolai Perov Antibiotic loading and release studies of LSMO nanoparticles embedded in an acrylic polymer, Phase Transitions (Taylor & Fransis Publitions), 89, 2016, 1203-1212.
  2. Parthasarathi Mohanty, Sunita Keshri, Manish Kumar Sinha, Vibha Rani Gupta, Study on microwave dielectric properties of corundum type (Mg1-x COx)4 Ta2 O9 (x =0-0.6) ceramics for designing a microwave low pass filter, Ceramics International (Elsevier Publication), 42, 2016, 5911–5920.
  3. Sunita Keshri, Sonali Biswas and Piotr Wisniewski, Studies on characteristic properties of superparamagnetic La0.67 Sr 0.33-x Kx MnO3  nanoparticles, Journal of Alloys and Compounds (Elsevier Publication) 656, Jan 2016, 245-252.
  4. Ashutosh Kumar, Sunita Keshri, Beauty Pandey, J. B. M. Krishna and Dipankar Das, Impact of N5+ ion implantation on optical and electrical properties of polycrystalline ZnO film, Radiation Effects and Defects (Taylor & Francis Publication), 169, 965, 2016.

2015

  1. Ashutosh Kumar and Sunita Keshri, Effect of N5+ ion implantation on optical and gas sensing properties of WO3 films, Surf. Interface Anal. (John Wiley & Sons, Ltd.) 47, Issue 11 November 2015, Pages 1020–1028.
  2. Anurag Gandhi and Sunita Keshri, Microwave Dielectric Properties of Double Perovskite CeramicsBa2  Zn(1-x) Cax WO6  (x=0-0.4)  Ceramics International (Elsevier Publication) 41, April 2015, Pages 3693–3700. 

2014

  1. Ashutosh Kumar and Sunita Keshri, Occurrence of low resistive p-type conductivity in ZnO film implanted by low energy N5+ ions, Nuclear Instruments and Methods in Physics Research Section B (Taylor & Francis Publication), Vol. 169, 965–979 (2014).
  2. Shailendra Singh Rajput and Sunita Keshri,Structural and microwave properties of (Mg,Zn/Co)TiO3 dielectric ceramics, Journal of Materials Engineering and Performance (Springer-Verlag publication) 23 (2014) 2103–2109.
  3. Sunita Keshri, Vivekanand Kumar, Piotr Wisniewski and Alexander S. Kamzin,Synthesis and characterization of LSMO manganite based biocomposite, Phase Transitions (Taylor & Francis Publication) 87 (2014) 468-476.
  4. M.V. Tkachenko, L.P. Ol'khovik, A.S. Kamzin, S. Keshri, Bioceramics of calcium phosphate and a hexagonal M type ferrite Multifunctional medical applications: Technical  Physics Letters 40 (2014) 9-15
  5. Investigation on Low Loss (1-x) Mg0.95Co0.05TiO3-(x) Ca0.6La0.8/3TiO3  Composite Series for achieving a nearly Zero Temperature Coefficient of Resonant Frequency, Sunita Keshri and Shailendra Singh Rajput, Ceramics International (Elsevier Publication),  40 (2014) 4257-4266.
  6. Ashutosh Kumar, Sunita Keshri and Debdulal Kabiraj, Influence of annealing temperature on nanostructured thin films of tungsten trioxide; Materials Science in Semiconductor Processing (Elsevier Publication)  17 (2014) 43-52
  7. Sunita Keshri and Shailendra Singh Rajput, Effect of BTO addition on the structural and magnetoresistive properties of LSMO, Phase Transitions (Taylor & Francis Publication) 87 (2014) 136-147.

2013

  1. Shailendra Singh Rajput, Sunita Keshri Structural , vibrational and microwave dielectric properties of (1-x) Mg0. 95 Co0. 05 TiO3 - (x) Ca0.8 Sr0.2 TiO3 ,  Journal of Alloys and Compounds (Elsevier Publication) 581 (2013) 223-229. http://dx.doi.org/10.1080/01411594.2013.797979
  2. Shailendra Singh Rajput, Sunita Keshri and Vibha Rani Gupta, Microwave dielectric properties of (1-x)Mg0.95Zn0.05TiO3–(x)Ca0.6La0.8/3TiO3 ceramic composites; Journal of Alloys and compounds (Elsevier Publication) 552 (Jan.) 2013, 219-226.

2012

  1. Sunita Keshri, Ashutosh and Debdulal Kabiraj, Tailoring of optical and gas sensitivity behaviours of WO3 films by low energy Ar+ ion implantation; Thin Solid Films (Elsevier Publication) –  526, (December) 2012, Pages 50-58.
  2. Leena Joshi and Sunita Keshri, Extrinsic behavior in La0.67Ca0.33MnO3–BaTiO3 composites; Ceramics International ((Elsevier Publication) 38 (2012) 5889–5896.
  3. Design of microwave dielectric resonator antenna using MZTO–CSTO composite; Shailendra Singh Rajput, Sunita Keshri, Vibha Rani Gupta, Nisha Gupta, Viktor Bovtun, Jan Petzelt,  Ceramics International ((Elsevier Publication) 38 (2012) 2355–2362.
  4. Ashutosh Kumar, J. B. M. Krishna, Dapankar Das and Sunita Keshri, Conductivity Modification of ZnO film by low energy Fe10+ ion Implantation; Applied Surface Science (Elsevier Publication) 258 (2012) 2237-2245

2011

  1. Sunita Keshri, Leena Joshi and Shailendra Singh Rajput, Studies on La0.67Ca0.33MnO3 – SrTiO3 composites using two-phase model; Journal of Alloys and compounds (Elsevier Publication) 509 (2011) 5796-5803.
  2. N. Ibrahim, A. K. Yahya, S. S. Rajput, S. Keshri and M. K. Talari, Double Metal-Insulator Peaks and Effect of Sm3+ Substitution on Transport Properties of Hole-doped La0.85Ag0.15MnO3; Journal of Magnetism and Magnetic Materials (Elsevier Publication) 323 (2011) 2179-2185.
  3. Magneto-transport properties of Fe- doped LSMO Manganites; Leena Joshi and Sunita Keshri, Measurement (Elsevier Publication) 44 (2011) 938-945.
  4. Sunita Keshri, Ashutosh Kumar and Debdulal Kabiraj, Effect of Annealing on structural, optical and electrical behaviours of WO3 thin films prepared by physical vapour deposition method; J. Nano-Electron Phys. (Sumy State University), 3 (2011), 260-267.

2010

  1. Leena Joshi, Shailendra Singh Rajput and Sunita Keshri,Structural and magneto transport properties of LCMO STO composites; Phase Transitions (Taylor & Francis Publication) 83 (2010) 482-490.
  2. Leena Joshi and Sunita Keshri, Enhanced CMR properties of La0.67Ca0.33MnO3 sintered at different temperatures, Phase Transitions (Taylor & Francis Publication) 83 (2010) 263-275.
  3. S. Keshri, L. Joshi, S. K. Mukherjee and V. F. Kraidenov, LabVIEW measurement and analysis of enhanced CMR properties of sintered at different temperatures; Journal of Electromagnetic Analysis and Applications (Scientific Research Publishing, Inc. USA) 2 (2010) 372-375.

2009

  1. Sunita Keshri (Shaw), Leena Joshi and Sanjeeb Kumar Rout, Influence of BTO phase on structural, magnetic and electrical properties of LCMO; Journal of Alloys and compounds (Elsevier Publication), 485 (2009), 501-506.
  2. L. Joshi, V. Dayal, N. Rama and S. Keshri; Existence of Griffiths phase in La0.67Ca0.33Mn0.93Fe0.07O3, Journal of Alloys and compounds (Elsevier Publication) 497 (2009) 879-882.
  3. L. Joshi, S. Keshri, and S. K. Rout; Electronic transport in LCMO/BTO composites, Phase Transitions (Taylor & Francis Publication) 82 (2009) 123-130.
  4. S. Keshri & L. Joshi, ZnO and Zn0.99Co0.01O Crystallites Grown using Chemical Method, International Journal of Materials Science, 4 (2009), 507–510.

2008

  1. S. Keshri and V. Dayal, Structural and electrical transport properties of nanosized La0.67Ca0.33MnO3 sample synthesized by a simple low-cost novel route, Pramana (Springer-Verlag Publication) 70, 697-704 (2008).
  2. S. Keshri, V. Dayal, L. Joshi, Influence of Fe doping on electrical properties of LCMO: Phase Transitions (Taylor & Francis Publication), Vol. 81, 17–28, 2008.

2007

  1. V. Dayal  and S. Keshri, Structural and Magnetic properties of La0.67Ca0.33Mn(1-x)FexO3 (x=0-0.07): Solid State Communication (Elsevier Publication) 142, 63-66, 2007.
  2. V. Dayal, S. Keshri, A. Saha and H. Kishan, Effect of irradiation on novel properties of polycrystalline Bi1.2Pb0.33Sr1.54Ca2.06Cu3Oy superconductor: Radiation Effects and Defects (Taylor & Francis Publication), 162, 359, 2007.
  3. S. Keshri and V. Dayal, Low Field AC-Susceptibility Study on Irradiated Bi1.2Pb0.33Sr1.54Ca2.06Cu3Oy Superconductor: Phase Transitions (Taylor & Francis Publication), 80, 243-251, 2007.
  4. S. Keshri, V. F. Kraidenov, V. Dayal and L. Joshi, Electrical Properties of  under Pressure, International J. Material Science 2, 191–199, 2007.

2006

  1. S. Keshri, V. Dayal and A. Poddar, Effect of irradiation on thermoelectric power of Bi1.2Pb0.33Sr1.54Ca2.06Cu3Oy, I. J. of Cryogenics, 31, 108-111, 2006.

2005

  1. S. Keshri, V. Dayal, S. Ravi and P. K. Nayak, AC susceptibility study in the single phase Bi-2223 system: Czechoslovak J. of Phys. (Springer-Verlag publication) 55, 73-84, 2005.

2004

  1. S. Keshri,  Resistivity Anisotropy of High TC Samples using Extended Hubbard Model: I. J. of Cryogenics, 29, 17-20, 2004.

2003

  1. V. Dayal, S. Keshri, S. Ravi and P. K. Nayak, Transport and thermal properties of Bi1.2Pb0.33Sr1.54Ca2.06Cu3Oy  superconductor: I. J. of Cryogenics, 28, No.4, 122-126, 2003.

1999

  1. S. Keshri and P. K. Barhai, Analysis of thermoelectric power of some insulating high-Tc superconductors using extended Hubbard model:  Czech. J. Phys. (Springer-Verlag Publication) 49, 539, 1999.

1997

  1. S. Keshri and P. K. Barhai, Thermoelectric power of high-Tc superconductors using extended Hubbard   model: Pramana (Springer-Verlag Publication), 49, 293-300, 1997.
  2. S. Keshri and P. K.  Barhai, Studies of thermodynamic fluctuations of thermoelectric power of Bi2Sr2Ca0.8Y0.2Cu2O8+y   superconductor: Czech. J. Phys. (Springer-Verlag Publication) 47, 249-254,1997.

1996

  1. S. Keshri and P. K. Barhai, Thermoelectric power of high-Tc oxides with phenomenologically modified Hubbard model: Asian Journal of Physics, 5, 423-430, 1996.

1993

  1. J. B. Mandal, S. Keshri, and B. Ghosh,Resistivity anisotropy in the Y-substituted Bi-2212 system: Physica C (Elsevier Publication) 216, 195-198, 1993.
  2. S. Keshri, J. B. Mandal, P. Mandal, A. Poddar, A. N. Das and B. Ghosh, Thermoelectric power of Tl2Ba2Ca1-xYxCu2O8+y (0£x£0.6) samples: Phys. Rev. B (The American Physical Society) 47, 9048-9054, 1993.

1992

  1. P. Mandal, A. Poddar, P. Choudhury, J. B. Mandal, S. Keshri, A. N. Das and B. Ghosh, Transport, optical properties and superconductivity in Bi- and Tl- systems: I. J. Pure & Appl. Phys., 30, 531-561, 1992.
  2. J. B. Mandal, S. Keshri, P. Mandal, A. Poddar, A. N. Das and B. Ghosh, Thermoelectric power of Bi2Sr2Ca1-xYxCu2O8+y  (x=0-1.0) system: Phys. Rev. B (The American Physical Society) 46, 11840-11846, 1992. 

Research papers/abstracts published/presented in National /International Conference/Conference proceedings:

 

2019

  1. Magnetic properties of LSMO, LSKMO and LSPMO superparamagnetic nanomaterials, Sunita Keshri and Sonali Biswas, International Conference on Materials Science and Engineering (Materials Oceania 2019), Melbourne, Australia, 16-18 September, 2019.

2018

  1. Magnetic properties of LSMO and LPMO manganites, Sunita Keshri and Sonali Biswas,  International Conference on Nano-Structured Materials & Devices 17-20 December, Delhi University 2018 (Invited talk)

2016

  1. Designing of a micro strip parallel coupled band pass filter using a dielectric ceramic substrate, in the Proceeding of International Conference on Design and Manufacturing (IEEE sponsored, Madras Section), IIITM, Kancheepuram, 16-17 Dec. 2016.
  2. Studies on Ar+  Ion Implanted Tungsten Oxide Films, Sunita Keshri and Ashutosh Kumar,  in the proceeding of National Conference on Improvised Plasma Technologies for Nanomaterials Processing and Applications (NCIPT - 2016), held at Birla Institute of Technology, Deoghar Extension Centre, 25-26 Feb,  2016.

2015

  1. Gas Sensing Behaviours of Ar+  and N+ Ion Implanted Tungsten Oxide Films, Sunita Keshri and Ashutosh Kumar, in the proceeding of Third International Conference on Nanostructured Materials and Nanocomposites (ICNM -2015), held at HCST, Farrah, Mathura during 12th –14th Dec. 2015.
  2. Studies on La0.67Sr0.33-xKxMnO3 Colossal Magnetoresistive Nanoparticles, in the proceeding of Asia-Pacific Conference on Engineering and Applied Science, held in Osaka, Japan during 25-27 Aug. 2015.

2014

  1. Applications of CMR Nanomaterials and Their Composites, in the proceeding of Second International Conference on Nanostructured Materials and Nanocomposites (ICNM -2014), held at M. G. University, Kottayam during 19th – 21st Dec. 2014.

2013

  1. Modification of some characteristic properties of WO3 and ZnO films by Ar+ and Fe10+ ion implantations, Sunita Keshri and Ashutosh Kumar, in the proceeding of Second International Symposium on Semiconductor Materials and Devices, held at Jammu University, during 31st Jan to 2nd Feb 2013.

2012

  1. Changes in properties of WO3 films with annealing temperatures as well as Ar+ ion implantion; Sunita Keshri and Ashutosh Kumar, in the proceeding of National Seminar on New Material Research and Nanotechnology (NSNMRN 2012), held in Ooty, Tamil Nadu during 12-14 Sept. 2012.

2011

  1. Magnetotransport Behaviours of Few La–based Manganites; Sunita Keshri, Leena Joshi and Shailendra Singh Rajput, in the proceeding of Moscow International Symposium on Magnetism (MISM–2011) held in Moscow, Russia during 21 – 25 August 2011.
  2. Design of dielectric resonator antenna by (1–x)MZTO–(x)CSTO microwave dielectric ceramic; Shailendra Singh Rajput, Vibha Rani Gupta, Nisha Gupta and Sunita Keshri, in the proceeding of 13th International Conference of International Academy of Physical Sciences (CONIAPS–XIII) held in Dehradun, India during 14 – 16 June 2011.
  3. Studies on Structural, Electrical and Magnetic properties of LCMO based Composites; Shailendra Singh Rajput, Leena Joshi and Sunita Keshri, in the proceeding of National conference on Magnetic Materials & Applications (MagMA 2011) held at S. N. Bose Institute, Kolkata, India during 24–25 January 2011.
  4. Low loss ceramic composites suitable for cylindrical dielectric resonator antennas; Shailendra Singh Rajput, Vibha Rani Gupta, Nisha Gupta and Sunita Keshri, in the proceeding of National Conference cum Workshop on Recent Development of Engineering Materials held at BIT, Ranchi, India during 12 – 14 May 2011.
  5. Ashutosh Kumar, J. B. Krishna, Dipankar Das and Sunita Keshri, in the proceeding of National Conference cum Workshop on Recent Development of Engineering Materials held at BIT, Ranchi, India during 12 – 14 May 2011.
  6. Effect of Annealing on Structural, Optical and Electrical Behaviours of WO3 Thin Films Prepared by Physical Vapour Deposition Method;  Sunita Keshri, Ashutosh Kumar, Debdulal Kabiraj, in the proceeding of Vadodora, during 28-30 Jan. 2011.

2010

  1. Structural and Dielectric Properties of (1−x)(Mg0.95Zn0.05)TiO3–x(Ca0.8Sr0.2)TiO3 Ceramic Composites; Sunita Keshri and Shailendra Singh Rajput, in the proceeding of 12th International Conference of International Academy of Physical Sciences (CONIAPS–XII) held in Jaipur, India during 22 – 24 December 2010.
  2. Double Metal–Insulator Peaks and Effect of Sm3+ Substitution on Transport Properties of Hole–doped La0.85Ag0.15MnO3; N. Ibrahim, A. K. Yahya, S. S. Rajput and S. Keshri, in the proceeding of 3rd International Conference on Functional Materials and Devices (ICFMD–2010) held in Terengganu, Malaysia during 13 – 17 June 2010.
  3. Effect of divalent ion substitution on structural and transport properties of lanthanum manganites; Sunita Keshri and Shailendra Singh Rajput, Leena Joshi, in the proceeding of National conference on Experimental Tools for Material Science Research: State of Art (ETSMR 2010) held in Varanasi, India during 3–4 December 2010.
  4. Structural  and Magneto-transport  Studies on Fe- doped LSMO Manganites, Sunita Keshri (Shaw) and Leena Joshi,  in the proceeding of National Conference on Solid State Ionics, held at Dr. Hari Singh Gour University, Sagar, MP, India, 7-9 Dec., 2010.
  5. Transport properties of CMR-STO composites, in the proceeding of International Conference on Electroceramics; S. Keshri and L. Joshi, held in Delhi University, Delhi, India, 13-17 Jan., 2010.
  6. Structural  and Magneto-transport  Studies on Fe- doped LSMO Manganites; Sunita Keshri (Shaw) and Leena Joshi,  in the proceeding of National Conference on Solid State Ionics, held at Dr. Hari Singh Gour University, Sagar, MP, India, 7-9 Dec., 2010.

2009

  1. Influence of nano sized paraelectric SrTiO3 phase in transport properties of La0.67Ca0.33MnO3 manganite; S. Keshri and L. Joshi, in the proceeding of “International Conference on Transport and Optical Properties of Nanomaterials”, Allahabad University, Allahabad, 05-08 Jan., 2009.

2008

  1. L. Joshi, S. Keshri; Effect of grain boundaries on transport properties of LCMO/BTO composites, in the proceeding of “National Conference on Advanced Materials and Characterization (AMC 2008)” held at  VIT University, Vellore, Tamil Nadu, 23-25 July., 2008,
  2. Preparation and Characterization of Thin Films and Nano particles of ZnO based Dilute Magnetic Semiconductors; S. Keshri, L. Joshi, in the proceeding of  “National Seminar on Advances in Materials Science” held at Manonmaniam Sundaranar University, Tamil Nadu , 4th -5th Feb., 2008, page 72.

2007

  1. V. Dayal and S. Keshri, Proceedings of the DAE Solid State Physics Symposium, Tirupati, 27-31 Dec., 2007.
  2. AC-Susceptibility and DC resistivity study of La0.67Ca0.33MnO3/BaTiO3 composites, Proceedings of ‘International and INCCOM-6 Conference’ on Future Trends in Composite Materials and Processing, December 12-14, 2007, IIT,  Kanpur by  S. Keshri, L. Joshi and S. K. Rout.
  3. UV-VIS Spectrophotometry and FTIR of ZnO based Dilute Magnetic Semiconductors, Colloquium Spectroscopicum Internationale XXXV, Xiamen, China, September 23-27, 2007 by S. Keshri and L. Joshi , page – 176.
  4. Labview Virtual Instrument for Automatic Susceptibility Measurement, Proceedings of National Conference on Condense Matter Days, National Institute of Technology, Orissa, 29th – 31st Aug., 2007 by S. Keshri, L. Joshi , page 19.

2006

  1. Thermoelectric power of Bi-2223  superconducting samples; S. Keshri and V. Dayal, National Conference on Recent Advances on Materials Science. (NCRAMS); Nagpur,  21-22 January 2006.

2005

  1. Synthesis and Characterization of Pure Phase Bi-2223 Superconducting Sample; S. Keshri and V. Dayal, International Meeting on Frontiers of Physics, Kuala Lumpur, Malaysia; 25-28 July, 2005.

2004

  1. Structural and Thermal Properties of superconductive  sample; S. Keshri and V. Dayal, Transport, DAE Solid State Physics Symposium, held in Guru Nanak Dev University, Amritsar, Dec.26-30, 2004.
  2. Transport and Thermal Properties of Single Phase Bi-2223 Composition and Effect of  Irradiation on it; V. Dayal and S. Keshri, International Symposium on Advanced Materials And Processing, I.I.T., Kharagpur, held on 6-8 December, 2004.
  3. AC susceptibility study in ; S. Keshri, V. Dayal, S. Ravi and P. K. Nayak, National Seminar  and Conference on Cryogenics And its Frontier Applications, held in Bengal Engineering College, Howrah, W. B., 25-27 March, 2004 .
  4. Susceptibility of Bulk Bi-2223 Superconductor; V. Dayal, S. Keshri, P. K. Nayak  and S. Ravi,  NCMA-2004, held in Kurukshetra University, 11-13 March, 2004.

2003

  1. Pressure coefficient of out-of-plane resistivity; S. Keshri, DAE Solid State Physics Symposium, held in Jiwaji University, Gwalior, Dec.26-30, 2003.
  2. Study of some properties of Bi-2212 sample; V. Dayal and S. Keshri, DAE Solid State Physics Symposium, held in Jiwaji University, Gwalior, Dec.26-30, 2003.

2002

  1. Resistivity Anisotropy of High  Samples using Extended Hubbard Model; S. Keshri, p.OP07, in the Abstracts of ‘Recent developments and challenges in Physics’, held in University of Hyderabad, Dec.19-22, 2002.
  2. Studies of thermoelectric power power using Extended Hubbard model; S. Keshri, P. K. Barhai, 5th National conference on Solid State Ionics, Indore, 15-17 Feb., 2002.

2000

  1. Plasma Deposition of Metallic Thin-Films Utilizing Anodic Vacuum Arc Technique and their characterization; P. K. Barhai, M. K. Sinha, S. Keshri, and B. Pathak, Presented at Conference on Challenges before Manufacturing Sector in 2000 (COMIM 2000) held at RDCIS SAIL, Ranchi, Feb. 3-4. 2000, Proceed. P-79-82.

1999

  1. Deposition of Al-films using anodic vacuum arc technique and their characterization; P. K. Barhai, M. K. Sinha, S. Keshri, and B. Pathak, Proceedings of the International Academy of Physical Sciences, Allahabad, 17-19 Dec., 1999.
  2. Analysis of thermoelectric power of high-Tc samples using Hubbard model; S. Keshri and P. K. Barhai, Proceedings of the International Academy of Physical Sciences, Allahabad, 17-19 Dec., 1999.

1998

  1. Relation between excess thermoelectric power and excess conductivity; S. Keshri, P. K. Barhai, Studied for a ceramic superconductor Bi2Sr2Ca0.8Y0.2Cu2O8+y, Proceedings of the DAE Solid State Physics Symposium, Kurukshetra, 27-31 Dec., 1998.
  2. Fabrication   of   an   Apparatus   for   the   Measurement   of  Thermoe­lectric Power  at Cryogenic Temperatures;  S. Keshri, J. B. Mandal, P. K. Barhai, and B. Ghosh, Proceedings of National Symposium on Instrumentation (NSI-23), Mesra, 7-10 Oct. 1998.

1997

  1. Study of oxide superconductors with high transition temperatures; S. Keshri, Proceedings of the DAE Solid State Physics Symposium, Kochi , 27-31 Dec., 1997.

1996

  1. Thermoelectric power of high-Tc superconductors using extended Hubbard model; S. Keshri and P. K. Barhai, in Proceedings of  High Temperature Superconductivity, Jaipur, (India), 16 – 21 Dec., 1996, Abstract, p. O-13.
  2. Analysis of thermoelectric power of some insulating high-Tc superconductors using extended Hubbard model; P. K. Barhai and S. Keshri, Proceedings of Department of Atomic Energy Solid State Physics Symposium, Bombay, India, Dec. 27-31, 1996.

1995

  1. Studies of thermodynamic fluctuations of thermoelectric power of Bi2Sr2Ca0.8Y0.2Cu2O8+y superconductor; S. Keshri  and  P. K. Barhai, Proceedings of  Atomic  Energy  Solid  State  Physics  Symposium,  Calcutta,   India,  27-31 Dec. 38C, 347(1995).

1992

  1. Thermoelectric power of Bi2Sr2Ca1-xYxCu2O8+y  (x=0-1.0) system; S. Keshri, J. B. Mandal, P. Mandal, A. Poddar, A. N. Das and B. Ghosh, Proceedings of the DAE Solid State Physics Symposium, Tirupati, 27-31 Dec., 1992.

 
Current Sponsored Projects

List of Completed R&D projects

 

 

Sr.No

CI/PI/ Coordinator

 

Title

Cost  (in Rs)

 

Duration

 

Agency
  1.  

PI

Studies on microwave dielectric ceramics and their device applications.

31.72

Lacs

2013-16

 

DST
  1.  

Co- coordinator

 

Departmental SAP project

 

53 Lacs

2011-2016

 

UGC
  1.  

Collaborator

Study of Physico-Technological Principles of Preparation of New Magnetic Nanostructures for Multifunctional Biomedical Applications

 

9 Lacs

2012-14

 

DST-RFBR
  1.  

PI

Studies on ferromagnetic- ferroelectric composites and their electronic applications.

17.67

Lacs

3 years

(2009-2012)

 

DST
  1.  

 

PI

 

Effect of ion implantation and gamma irradiation on wide band gap semiconductors

4.31 Lacs plus TA when required

 

3 years

(2009-2012)

UGC-DAE CSR-

Kolkata Centre
  1.  

PI

ESR study of magnetic homogeneity in thin films of colossal     magnetoresistive manganites.

 

4.89 Lacs

3.5 years (2006-2009)

 

UGC
  1.  

PI

High Pressure Investigations on Oxide Superconductors to obtain higher Tc.

3.825

Lacs

3 years

(2002-2005)

 

UGC
  1.  

CI

Development                                  and

Characterization of thin film thermocouples for the aerospace applications.

 

10.86

Lacs

3 years

(2004-2007)

 

ISRO

 

 

 

Research collaborations

 

International collaborations: Dr. S. Keshri has collaboration with the group members of

  • Prof. A. S. Kamzin, Russian Academy of Sciences, Ioffe Physical Technical Institiute, St. Petersburg, Russia.
  • Prof. N. Perov, Moscow State University, Russia
  • Prof.  A. K. Yahya, University Technology of Mara, Malaysia.
  • Prof.  Jan Petzelt, Institute of Physics, Acad. Sci. Czech Rep., Na Slovance 2, Czech Republic.
  • Dr. Piotr  Wisniewski, Magnetic Research Division, Institute of Low Temperature & Structure Research, Polish Academy of Sciences, Poland.
  • Dr. V. F. Kraidenov of the Institute of High Pressure Physics of Russian Academy of Sciences, Troitsk, Moscow.

 

National collaborations:  

  • Dr. S. Keshri has collaboration with UGC-DAE Consortium for Scientific Research, Kolkata & Indore; IUAC, New Delhi; etc.
Text and Reference Books

 Review:

  1. Sunita Keshri and Sonali Biswas, Synthesis, physical properties, and biomedical applications of magnetic nanoparticles: a review; Progress in Biomaterials (Springer publication), 11, 2022, 347–372