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Kar-Narayan Lab


For the latest list of papers see Google Scholar

Sohini Kar-Narayan Google Scholar



J Zhang, Q Jing, T Wade, Z Xu, L Ives, D Zhang, J Baumberg, S Kar-Narayan, “Controllable Multimodal Actuation in Fully Printed Ultrathin Micro-Patterned Electrochemical Actuators” ACS Applied Materials & Interfaces DOI: 10.1021/acsami.3c19006 (2024)



PK Szewczyk, T Busolo, S Kar-Narayan, U Stachewicz "Wear-Resistant Smart Textiles Using Nylon-11 Triboelectric Yarns", ACS Applied Materials & Interfaces 15, 56575


S Kar-Narayan, Q Jing, C Jehangir, I Liam, V Khanduja, "A microfluidic sensor" US Patent App. 18/043,438


T Chalklen, M Smith, S Kar-Narayan, “Improved fatigue resistance in transfer-printed flexible circuits embedded in polymer substrates with low melting temperatures” Flexible and Printed Electronics 8, 025014 (2023)


Y Grishchenko, J Dawson, S Ghosh, A Gundimeda, BF Spiridon, NL Ravindran, RA Oliver, S Kar-Narayan, Y Calahorra, “Magnetic properties of nickel electrodeposited on porous GaN substrates with infiltrated and laminated connectivity” Journal of Magnetism and Magnetic Materials 580, 170877 (2023)


M. Nair, E. Inwald, L. Ives, K.R.M. See, S. Kar-Narayan “Optimising aerosol jet printing of collagen inks for enhanced piezoelectricity and controlled surface potential” Journal of Physics 10.1088/2515-7639/acca4a (2023)


Y Zhu, F Azough, X Liu, X Zhong, M Zhao, K Margaronis, S Kar-Narayan, I Kinloch, DJ Lewis, R Freer, “Precursor-Led Grain Boundary Engineering for Superior Thermoelectric Performance in Niobium Strontium Titanate” ACS Applied Materials & Interfaces 15, 13097 (2023)


S Kar-Narayan et al., “Roadmap on Energy Harvesting Materials” Journal of Physics: Materials 6, 042501 (2023)


T. Busolo and S Kar-Narayan, "Triboelectric Nanogenerators for Wearable Electronics", Handbook of Triboelectric Nanogenerators Springer 2023



L. Ives, A. Pace, F. Bor, Q. Jing, T. Wade, J. Cama, V. Khanduja, S. Kar-Narayan “Conformable and robust microfluidic force sensors to enable precision joint replacement surgery” Materials & Design, 10.1016/j.matdes.2022.110747 (2022)


R Kashikar, S Chatterjee, FS Taofeek, A Barman, S Barman, S Kar-Narayan, A Datta, S Lisenkov, D Mukherjee, I Ponomareva, “Hidden variable in the electrocaloric effect of ferroics” Physical Review Materials 6, 124403 (2022)



S Kar-Narayan et al, “Roadmap on nanogenerators and piezotronics”  APL Materials 10, 109201 (2022).


JK Morzy, A Sartor, WM Dose, C Ou, S KarNarayan, MFL De Volder, C Ducati, “Aerosol Jet Printing as a Versatile Sample Preparation Method for Operando Electrochemical TEM Microdevices” Advanced Materials Interfaces 9, 2200530 (2022)


X Chena, J Lawrence, L Wey, L Schertel, Q Jing, S Vignolini, C Howe, S Kar-Narayan, J Z Zhang, “3D-printed hierarchical pillar array electrodes for high performance semi-artificial photosynthesis” Nature Materials 21, 811 (2022)


M Smith, S Kar-Narayan, “Piezoelectric Polymers: theory, challenges and opportunities” International Materials Reviews 67, 65 (2022)



S. Chatterjee, A. Barman, S. Barman, T. Chabri, S. Kar-Narayan, A. Datta, D. Mukherjee "Role of oxygen vacancies on the low-temperature dielectric behaviour of Ba0.85Ca0.15Ti0.9Zr0.1O3 thin films" Physical Review Materials 5, 064415 (2021)


M. Smith, S. Kar-Narayan "Piezoelectric Polymers: theory, challenges and opportunities" International Materials Reviews 10.1080/09506608.2021.1915935 (2021)


D.P. Ura, J. Knapczyk-Korczak, P.K. Szewczyk, E.A. Sroczyk, T. Busolo, M.M. Marzec, A. Bernasik, S. Kar-Narayan, U. Stachewicz "Surface Potential Driven Water Harvesting from FogACS Nano 10.1021/acsnano.1c01437 (2021)


K. Margaronis, T. Busolo, M. Nair, T. Chalklen and S. Kar-Narayan “Tailoring the triboelectric output of poly-L-lactic acid nanotubes through control of polymer crystallinity” Journal of Physics: Materials 10.1088/2515-7639/abf7de (2021)


Q. Jing, A. Pace, L. Ives, N. Catic, V. Khanduja, J. Cama, S. Kar-Narayan “Aerosol-jet-printed, conformable microfluidic force sensors” Cell Reports Physical Science 10.1016/j.xcrp.2021.100386 (2021)


T. Busolo, P. Szewczyk, M. Nair, U. Stachewicz, S. Kar-Narayan "Triboelectric yarn with electrospun functional polymer coatings for highly durable and washable smart textile applications" ACS Applied Materials & Interfaces 10.1021/acsami.1c00983 (2021)


A. Barman, S. Chatterjee, C. Ou, Y.Y. Tse, N. Banerjee, S. Kar-Narayan, A. Datta, D. Mukherjee “Large electrocaloric effect in lead-free ferroelectric Ba0.85Ca0.15Ti0.9Zr0.1O3 thin film heterostructure” APL Materials 9, 021115 (2021)


M. Wells, A. Lovett, T. Chalklen, F. Baiutti, A. Tarancon, X. Wang, J. Ding, H. Wang, S. Kar-Narayan, M. Acosta, J. McManus Driscoll “Route to High-Performance Micro-solid Oxide Fuel Cells on Metallic Substrates” ACS Applied Materials & Interfaces 13, 4117 (2021)


Y.S. Choi, S.-W. Kim, S. Kar-Narayan “Materials-Related Strategies for Highly Efficient Triboelectric Energy Generators” Advanced Energy Materials 11, 2003802 (2021)


J. Peng, H. H. Jeong, M. Smith, R. Chikkaraddy, Q. Lin, H.L. Liang, M.F.L. De Volder, S. Vigniolini, S. Kar-Narayan, J.J. Baumberg “Fully Printed Flexible Plasmonic Metafilms with Directional Color Dynamics” Advanced Science 8, 2002419 (2021)



Y. Calahorra, B. Spiridon, A. Wineman, T. Busolo, P. Griffin, P.K. Szewczyk, T. Zhu, Q. Jing, R.A. Oliver, S. Kar-Narayan “Enhanced piezoelectricity and electromechanical efficiency in semiconducting GaN due to nanoscale porosity” Applied Materials Today 21, 100858 (2020)


I-T Lin, Y.S. Choi, C. Wojcik, T. Wang, S. Kar-Narayan, S.K. Smoukov “Electro-responsive surfaces with controllable wrinkling patterns for switchable light reflection–diffusion–grating devices” Materials Today 41, 51 (2020)


Y.S. Choi, S. Kar‐Narayan “Nylon‐11 nanowires for triboelectric energy harvesting” EcoMat 10.1002/eom2.12063 (2020)


T. Chalklen, Q. Jing, S. Kar-Narayan “Biosensors Based on Mechanical and Electrical Detection Techniques” Sensors 20, 5605 (2020)


Y. S. Choi, S. K. Kim, M. Smith, F. Williams, M. E Vickers, J. A Elliott, S. Kar-Narayan "Unprecedented dipole alignment in α-phase nylon-11 nanowires for high-performance energy-harvesting applications" Science Advances 6, eaay5065 (2020).


S. Metwally, S. Ferraris, S. Spriano, Z.J Krysiak, Ł. Kaniuk, M.M Marzec, S. K Kim, P. K Szewczyk, A. Gruszczyński, M. Wytrwal-Sarna, J. E Karbowniczek, A. Bernasik, S. Kar-Narayan, U. Stachewicz "Surface potential and roughness controlled cell adhesion and collagen formation in electrospun PCL fibers for bone regeneration" Materials & Design 108915 (2020)


Y. Calahorra, W. Kim, J. Vukajlovic-Plestina, A.F i Morral, S. Kar-Narayan "Time-resolved open-circuit conductive atomic force microscopy for direct electromechanical characterization" Nanotechnology DOI: 10.1088/1361-6528/ab9b4b (2020)


M. Smith, T. Chalklen, C. Lindackers, Y. Calahorra, C. Howe, A. Tamboli, D.V. Bax, D. J. Barrett, R.E. Cameron, S.M. Best, S. Kar-Narayan “Poly-L-lactic acid nanotubes as soft piezoelectric interfaces for biology: controlling cell attachment via polymer crystallinity” ACS Applied Bio Materials 10.1021/acsabm.0c00012 (2020).


N Ćatić, L Wells, K Al Nahas, M Smith, Q Jing, UF Keyser, J Cama, S. Kar-Narayan “Aerosol-jet printing facilitates the rapid prototyping of microfluidic devices with versatile geometries and precise channel functionalization”​ Applied Materials Today 19, 100618 (2020).


P. K Szewczyk, A. Gradys, S. Kim, L Persano, M.M Marzec, A.P Kryshtal, T. Busolo, A. Toncelli, D. Pisignano, A. Bernasik, S. Kar-Narayan, P. Sajkiewicz, U. Stachewicz “Enhanced piezoelectricity of electrospun polyvinylidene fluoride (PVDF) fibers for energy harvesting” ACS Applied Materials & Interfaces 12, 13575 (2020).


C. Ou, T. Busolo & S. Kar-Narayan "Manufacturing routes toward flexible and smart energy harvesters and sensors based on functional nanomaterials" - Invited book chapter in Advances in Nanostructured Materials and Nanopatterning Technologies, Applications for Healthcare, Environmental and Energy Advanced Nanomaterials 2020, Pages 381-437 (2020)


C. Ou, L. Zhang, Q. Jing, V. Narayan, S. Kar‐Narayan “Compositionally Graded Organic–Inorganic Nanocomposites for Enhanced Thermoelectric Performance” Advanced Electronic Materials 6, 1900720 (2020).



Q. Jing, Y. S. Choi, M. Smith, N. Catic, C. Ou & S. Kar-Narayan, "Freestanding Functional Structures by Aerosol-Jet Printing for Stretchable Electronics and Sensing Applications" Advanced Materials Technologies DOI: 10.1002/admt.201900048 (2019).


J.R.A Dann, P.C. Verpoort, J.F de Oliveira, S.E. Rowley, A. Datta, S. Kar-Narayan, C.J.B. Ford, G.J. Conduit, V. Narayan “Au-Ge Alloys for Wide-Range Low-Temperature On-Chip Thermometry” Physical Review Applied 12, 034024 (2019).


Y. Greenberg, A. Kelrich, S. Cohen, S. Kar-Narayan, D. Ritter, Y. Calahorra “Strain-Mediated Bending of InP Nanowires through the Growth of an Asymmetric InAs Shell” Nanomaterials 9, 1327 (2019).


M. Nair, Y. Calahorra, S. Kar-Narayan, S. Best, R. Cameron "Self-assembly of collagen bundles and enhanced piezoelectricity induced by chemical crosslinking" Nanoscale 11, 15120(2019).


A. Barman, S. Kar-Narayan, D. Mukherjee, "Caloric effects in perovskite oxides" Advanced Materials Interfaces DOI: 10.1002/admi.201900291 (2019).


Y. Calahorra, A. Husmann, A. Bourdelain, W. Kim, J. Vukajlovic-Plestina, C. Boughey, Q. Jing, A. Fontcuberta i Morral & S. Kar-Narayan, "Highly sensitive piezotronic pressure sensors based on undoped GaAs nanowire ensembles" Journal of Physics D: Applied Physics DOI: 10.1088/1361-6463/ab1386 (2019).


Q. Jing, Y. S. Choi, M. Smith, N. Catic & S. Kar-Narayan, "Aerosol-Jet Printed Fine-Featured Triboelectric Sensors for Motion Sensing" Advanced Materials Technologies DOI: 10.1002/admt.201800328 (2019).


M. Smith, C. Lindackers, K. McCarthy & S. Kar-Narayan, "Enhanced molecular alignment in poly-l-lactic acid nanotubes induced via melt-press template-wetting" Macromolecular Materials & Engineering DOI: 10.1002/mame.201800607 (2019).


T. Busolo, D.P. Ura, S.K. Kim, M.M. Marzec, A. Bernasik, U. Stachewicz & S. Kar-Narayan, "Surface potential tailoring of PMMA fibers by electrospinning for enhanced triboelectric performance" Nano Energy 57, 500, DOI: 10.1016/j.nanoen.2018.12.037 (2019).


J.I. Roscow, H. Pearce, H. Khanbareh, S. Kar-Narayan, C.R. Bowen “Modified energy harvesting figures of merit for stress-and strain-driven piezoelectric systems” The European Physical Journal Special Topics 228, 1537 (2019).



C. Boughey, Y. Calahorra, A. Datta & S. Kar-Narayan, "Coaxial Nickel-Poly (Vinylidene Fluoride Trifluoroethylene) Nanowires for Magnetoelectric Applications" ACS Applied Nanomaterials DOI: 10.1021/acsanm.8b01804 (2018).


C. Ou, A. L. Sangle, T. Chalklen, Q. Jing, V. Narayan & S. Kar-Narayan, "Enhanced Thermoelectric Properties of Flexible Aerosol-Jet Printed Carbon Nanotube-based Nanocomposites" APL Materials 6, 096101, DOI: 10.1063/1.5043547 (2018).


Y. Calahorra, A. Datta, J. Famelton, D. Kam, O. Shoseyov & S. Kar-Narayan, "Nanoscale electromechanical properties of template-assisted hierarchical self-assembled cellulose nanofibers" Nanoscale DOI: 10.1039/c8nr04967j (2018).


Y.S. Choi, S.K. Kim, F. Williams, Y. Calahorra, J.A. Elliott, S. Kar-Narayan, "The effect of crystal structure on the electromechanical properties of piezoelectric Nylon-11 nanowires" Chemical Communications DOI: 10.1039/C8CC02530D (2018).


C. Ou, A. L. Sangle, A. Datta, Q. Jing, T. Busolo, T. Chalklen, V. Narayan & S. Kar-Narayan, "Fully Printed Organic-Inorganic Nanocomposites for Flexible Thermoelectric Applications" ACS Applied Materials & Interfaces DOI: 10.1021/acsami.8b01456 (2018).


Q. Jing, & S. Kar-Narayan, "Nanostructured polymer-based piezoelectric and triboelectric materials and devices for energy harvesting applications" Journal of Physics D: Applied Physics DOI: 10.1088/1361-6463/aac827 (2018).


Y. Calahorra, C. Ou, C. Boughey & S. Kar-Narayan, "Piezoelectric Semiconducting Nanowires" - Invited book chapter in “Nanowires for Energy Applications”. (Eds. S. Mokkapati and C. Jagadish) Elsevier Inc 2018.


Y. Calahorra, & S. Kar-Narayan, "Piezoelectricity in non-nitride III–V nanowires: Challenges and opportunities" Journal of Materials Research DOI: 10.1557/jmr.2018.29 (2018).


R. A. Whiter, C. Boughey, M. Smith, & S. Kar-Narayan, "Mechanical energy harvesting performance of ferroelectric polymer nanowires grown by template wetting" Energy Technology DOI: 10.1002/ente.201700820 (2018).



Y. Calahorra, M. Smith, A. Datta, H. Benisty & S. Kar-Narayan, "Mapping piezoelectric response in nanomaterials using a dedicated non destructive scanning probe technique" Nanoscale DOI: 10.1039/C7NR06714C (2017).


Y. S. Choi, Q. Jing, A. Datta, C. Boughey & S. Kar-Narayan, "A Triboelectric Generator Based on Self-poled Nylon-11 Nanowires Fabricated by Gas-flow Assisted Template Wetting" Energy & Environmental Science DOI: 10.1039/c7ee01292f(2017).


A. Datta, D. Mukherjee & S. Kar-Narayan, "Ferroelectric and piezoelectric oxide nanostructured films for energy harvesting applications" - Invited book chapter in “Metal Oxide-Based Thin Film Structures: Formation, Characterization, and Application of Interface-Based Phenomena”. (Eds. N. Pryds and V. Esposito) Elsevier Inc 2017.


C. Lopez, E. Ramos, M. Munoz, S. Kar-Narayan, N. D. Mathur & J. Prieto, "Influence of the thermal contact resistance in current-induced domain wall depinning" J. Phyd D: Applied Physics 50, 325001 DOI: 10.1088/1361-6463/aa7a9c (2017).


C. Boughey & S. Kar-Narayan, "Magnetoelectric nanocomposites for energy harvesting" - Invited book chapter in “Magnetoelectric Polymer Based Composites: Fundamentals and Applications”. (Eds. S. Lanceros-Mendez and P. Martins) John Wiley & Sons 2017.


A. Datta, A. Sangle, N. Hardingham, C. Cooper, M. Kraan, D. Ritchie, V. Narayan & S. Kar-Narayan, "Structure and Thermoelectric Properties of Bi2-xSbxTe3 Nanowires Grown in Flexible Nanoporous Polycarbonate Templates" Materials 10, 553 DOI: 10.3390/ma10050553 (2017).


A. Datta, P.E.Sanchez-Jimenez, R.A.R. Al Orabi, Y. Calahorra, C. Ou, S-L. Sahonta, M. Fornari & S. Kar-Narayan, "Lead-free polycrystalline ferroelectric nanowires with enhanced Curie temperature" Advanced Functional Materials DOI: 10.1002/adfm.201701169 (2017).


Y. Calahorra, X. Guan, N. N. Halder, M. Smith, S. Cohen, D. Ritter, J. Penuelas & S. Kar-Narayan, "Exploring piezoelectric properties of III–V nanowires using piezo-response force microscopy" Semiconductor Science & Technology 32, 074006 DOI: 10.1088/1361-6641/aa6c85 (2017).


M. Smith, Y. Calahorra, Q. Jing & S. Kar-Narayan, "Direct Observation of Shear Piezoelectricity in Poly-L-lactic Acid Nanowires", APL Materials 5, 074105 DOI: 10.1063/1.4979547 (2017).


M. Smith, Y.S. Choi, C. Boughey & S. Kar-Narayan, "Controlling and assessing the quality of aerosol jet printed features for large area and flexible electronics", Flexible & Printed Electronics 2, 015004 DOI: 10.1088/2058-8585/aa5af9 (2017).


A. Datta, Y. Sik Choi, E. Chalmers, C. Ou, S. Kar-Narayan, "Piezoelectric Nylon-11 Nanowire Arrays Grown by Template Wetting for Vibrational Energy Harvesting Applications", Advanced Functional Materials 27, 1604262 DOI: 10.1002/adfm.201604262 (2017).


E. Tan, Q. Jing, M. Smith, S. Kar-Narayan & L. Occhipinti, "Needs and Enabling Technologies for Stretchable Electronics Commercialization", MRS Advances DOI: 10.1557/adv.2017.2 (2017).



Y. Calahorra, R.A. Whiter, Q. Jing, V. Narayan, S. Kar-Narayan, "Localized electromechanical interactions in ferroelectric P(VDF-TrFE) nanowires investigated by scanning probe microscopy", APL Materials 4, 116106 DOI: 10.1063/1.4967752 (2016).


R. A. Whiter, Y. Calahorra, C. Ou & S. Kar-Narayan, “Observation of Confinement-Induced Self-Poling Effects in Ferroelectric Polymer Nanowires Grown by Template Wetting”, Macromolecular materials & Engineering DOI: 10.1002/mame.201600135 (2016).


T. Wang, M. Farajollahi, Y. S. Choi, I-T. Lin, J. E. Marshall, N. M. Thompson, S. Kar-Narayan, J. D. W. Madden, S. K. Smoukov, “Electroactive polymers for sensing”, Interface Focus 6, 20160026 DOI: 10.1098/rsfs.2016.0026 (2016).


F. L. Boughey, T. Davies, A. Datta, R. A. Whiter, S.-L. Sahonta, S. Kar-Narayan, “Vertically aligned zinc oxide nanowires electrodeposited within porous polycarbonate templates for vibrational energy harvesting”, Nanotechnology (Letters) 27, 28LT02 DOI: 10.1088/0957-4484/27/28/28LT02 (2016).


C. Ou, P. E. Sanchez-Jimenez, A. Datta, F. L. Boughey, R. A. Whiter, S.-L. Sahonta, S. Kar-Narayan, “Template-Assisted Hydrothermal Growth of Aligned Zinc Oxide Nanowires for Piezoelectric Energy Harvesting Applications”, ACS Applied Materials & Interfaces DOI: 10.1021/acsami.6b04041 (2016).


L.C. Phillips, A. Lombardo, M. Ghidini, W. Yan, S. Kar-Narayan, S.J. Hämäläinen, M. Barbone, S. Milana, S. van Dijken, A.C. Ferrari, N.D. Mathur, “Tunnelling anisotropic magnetoresistance at La0. 67Sr0. 33MnO3-graphene interfaces”, Applied Physics Letters 108, 112405 DOI: 10.1063/1.4942778 (2016).


S. Crossley, T. Usui, S. Kar-Narayan, X. Moya, S. Hirose, A. Ando, N.D. Mathur, “Direct electrocaloric measurement of 0.9 Pb (Mg_ (1/3) Nb_ (2/3)) O_3-0.1 PbTiO_3 films using scanning thermal microscopy”, Applied Physics Letters 108, 032902 DOI: 10.1063/1.4938758 (2016).


E. Hristoforou, D.S. Vlachos, I. Giouroudi, S. Kar-Narayan, S. Potirakis, “5th International Conference on Materials and Applications for Sensors and Transducers (IC-MAST2015)”, IOP Conference Series: Materials Science and Engineering 108, 011001 DOI: 10.1088/1757-899X/108/1/011001 (2016).



S. Crossley & S. Kar-Narayan, “Energy Conversion Efficiency of Piezoelectric Ceramic and Polymer Nanowires”, Nanotechnology 26, 344001 DOI: 10.1088/0957-4484/26/34/344001 (2015). Publishers' Pick



R.A.Whiter, V. Narayan & S. Kar-Narayan, “A scalable nanogenerator based on piezoelectric polymer nanowires with high energy conversion efficiency”, Advanced Energy Materials DOI: 10.1002/aenm.201400519 (2014)


Sam Crossley, R.A.Whiter & S. Kar-Narayan, “Polymer-based nano-piezoelectric generators for energy harvesting applications”, Materials Science and Technology 30, 1613 DOI: 10.1179/1743284714Y.0000000605 (2014) - Invited review.


X. Moya, S. Kar-Narayan & N.D. Mathur, “Caloric effects near ferroic phase transitions”, Nature Materials 13, 439 DOI: 10.1038/nmat3951(2014).


S. Crossley, J.R. McGinnigle, Sohini Kar-Narayan & N.D. Mathur, “Finite-element optimisation of electrocaloric multilayer capacitors”, Appl. Phys. Lett. 104, 082909 DOI: 10.1063/1.4866256 (2014).


S. Kar-Narayan , S. Crossley & N.D. Mathur, "Electrocaloric multilayer capacitors" Invited book chapter in “Electrocaloric Materials – New Generation of Coolers”. (Eds. Q. Zhang and T. Correia) Springer DOI: 10.1007/978-3-642-40264-7_4 2014



S. Kar-Narayan , S. Crossley, X. Moya, V. Kovacova, J. Abergel, A. Bontempi, N. Baier, E. Defay, N.D. Mathur, “Direct electrocaloric measurements of a multilayer capacitor using scanning thermal microscopy and infra-red imaging”, Appl. Phys. Lett. 102, 032903 DOI: 10.1063/1.4788924 (2013).


E. Defay, S. Crossley, Sohini Kar-Narayan , X. Moya, N.D. Mathur, “The electrocaloric efficiency of ceramic and polymer films”, Adv. Mater. 25, 3337 DOI: 10.1002/adma.201300606 (2013).


X. Moya, E. Stern-Taulats, S. Crossley, D. González-Alonso, Sohini Kar-Narayan , A. Planes, L. Mañosa, N.D. Mathur, “Giant electrocaloric strength in single-crystal BaTiO3”, Adv. Mater. 25, 1360 DOI: 10.1002/adma.201203823 (2013).



S. Kar-Narayan and N. D. Mathur, “Electrocaloric materials for cooling applications”, Ferroelectrics, 431, 1 DOI: 10.1080/00150193.2012.678147 (2012).



P. Martins, X. Moya, L. C. Phillips, Sohini Kar-Narayan, N. D. Mathur and S. Lanceros-Mendez, “Linear anhysteretic direct magnetoelectric effect in Ni0.5Zn0.5Fe2O4/poly(vinylidene fluoride-trifluoroethylene) 0-3 nanocomposites”, J. Phys. D: Appl. Phys. 44, 482001 DOI: 10.1088/0022-3727/44/48/482001 (2011).


E.K.H Salje, S Crossley, S. Kar-Narayan, M.A. Carpenter and N.D. Mathur, “Improper ferroelectricity in lawsonite CaAl2Si2O7(OH)2H2O: hysteresis and hydrogen ordering”, J. Phys.: Condens. Matter 23, 222202 DOI: 10.1088/0953-8984/23/22/222202 (2011).


T. Correia, S. Kar-Narayan, J.S. Young, J.F. Scott, R. W. Whatmore and Q. Zhang, “PST thin films for electrocaloric coolers”, J. Phys D: Appl. Phys. 44, 165407 DOI: 10.1088/0022-3727/44/16/165407 (2011).



S. Kar-Narayan and N. D. Mathur, “Direct and indirect electrocaloric measurements using multilayer capacitors”, J. Phys. D: Appl. Phys. 43, 032002 DOI: 10.1088/0022-3727/43/3/032002 (2010).


B. Fisher, J. Genossar, L. Patlagan, S. Kar-Narayan, X. Moya, J. C. Loudon and N. D. Mathur, Comment on “Sliding charge-density waves in manganites”, Nature Materials 9, 688 DOI: 10.1038/nmat2841 (2010).


B. Fisher, J. Genossar, L. Patlagan, S. Kar-Narayan, X. Moya, D. Sánchez, P.A. Midgley and N.D. Mathur, “The absence of charge-density-wave sliding in epitaxial charge-ordered Pr0.48Ca0.52MnO3 films”, J. Phys.: Condens. Matter 22, 275602 DOI: 10.1088/0953-8984/22/27/275602 (2010).


Casey Israel, S. Kar-Narayan and N. D. Mathur, “Eliminating the temperature dependence of the response of magnetoelectric magnetic-field sensors”, IEEE Sensors 10, 914 DOI: 10.1109/JSEN.2009.2037728 (2010).



S. Kar-Narayan and N. D. Mathur, “Predicted cooling powers for multilayer capacitors based on various electrocaloric and electrode materials”, Appl. Phys. Lett. 95, 242903 DOI: 10.1063/1.3275013 (2009).


U. Chandni, S. Kar-Narayan, Arindam Ghosh, H. S. Vijaya and S. Mohan, “A fluctuation-based characterization of athermal phase transitions: Application to shape memory alloys”, Acta Materialia 57, 6113 DOI: 10.1016/j.actamat.2009.08.037 (2009).



Casey Israel, S. Kar-Narayan and N. D. Mathur, “Converse magnetoelectric coupling in multilayer capacitors”, Appl. Phys. Lett. 93, 173501 DOI: 10.1063/1.3009565 (2008).



S. Kar and A. K. Raychaudhuri, “Localized reversible nanoscale phase separation in Pr0.63Ca0.37MnO3 single crystal using a scanning tunneling microscope tip”, Appl. Phys. Lett. 91,143124 DOI: 10.1063/1.2794795 (2007).


S. Kar, J. Sarkar, B. Ghosh and A. K. Raychaudhuri, “Effect of grain boundaries on the local electronic transport in nanostructured films of colossal magnetoresistive manganites”, J. Nanoscience Nanotech 7, 2051 DOI:10.1166/jnn.2007.767 (2007)



S. Kar, J. Sarkar, B. Ghosh and A. K. Raychaudhuri, “Spatially resolved study of electronic transport through grain boundaries in nanostructured films of La0.67Sr0.33MnO3”, Phys. Rev. B 74, 085412 DOI: 10.1103/PhysRevB.74.085412 (2006).


S. Kar, J. Sarkar and A. K. Raychaudhuri, “Investigation of the effect of microstructure and grain boundaries in nanostructured CMR thin films using scanning tunneling microscopy (STM) and local conductance map (LCMAP)”, IEEE Trans. Nanotech. 5, 777 DOI: 10.1109/TNANO.2006.883483 (2006).



S. Kar, Joy Mitra and A. K. Raychaudhuri, “Temperature dependence of the gap in the density of states near the Fermi level in a hole doped manganite”, Solid State Commun. 136, 410 DOI: 10.1016/j.ssc.2005.08.015 (2005).


B. Ghosh, Sohini Kar, L. K. Brar and A. K. Raychaudhuri, “Electronic transport in nanostructured films of La0.67Sr0.33MnO3”, J. Appl. Phys. 98, 094302 DOI: 10.1063/1.2108153 (2005).


S. Kar, B. Ghosh, L. K. Brar, M. A. Paranjape and A. K. Raychaudhuri, “Mapping of local electronic properties in nanostructured CMR thin films by scanning tunneling microscopy (STM) and local conductance map (LCMAP)”, Mater. Res. Soc. Symp. Proc. 838E, O10.13.1 DOI: 10.1557/PROC-838-O10.13 (2005).



K. S. Shankar, S. Kar, G. N. Subbanna and A. K. Raychaudhuri, “Enhanced ferromagnetic transition temperature in nanocrystalline lanthanum calcium manganese oxide (La0.67Ca0.33MnO3)”, Solid State Commun. 129, 479 DOI: 10.1016/j.ssc.2003.10.029 (2004).


K. S. Shankar, S. Kar, G. N. Subbanna and A. K. Raychaudhuri, “Fabrication of ordered array of nanowires of LCMO (x=0.33) in alumina templates with enhanced ferromagnetic transition temperature”, Appl. Phys. Lett. 84, 993 DOI: 10.1063/1.1646761 (2004).