Now showing items 40-59 of 59

    • Phase transition and temperature stability of piezoelectric properties in Mn-modified Pb(Mg1/3Nb2/3)O-3-PbZrO3-PbTiO3 ceramics 

      Yan, Yongke; Kumar, Amit; Correa, Margarita; Cho, Kyung-Hoon; Katiyar, R. S.; Priya, Shashank (AIP Publishing, 2012-04-01)
      This study investigates the effect of two different Mn modifiers [MnO2 and Pb(Mn1/3Nb2/3)O-3(PMnN)] on the of phase transitions in Pb(Mg1/3Nb2/3)O-3-PbZrO3-PbTiO3 ceramics. The temperature dependence of polarization derived ...
    • Piezoelectric and Magnetoelectric Thick Films for Fabricating Power Sources in Wireless Sensor Nodes 

      Priya, Shashank; Ryu, Jungho; Park, Chee-Sung; Oliver, Josiah; Choi, Jong-Jin; Park, Dong-Soo (MDPI, 2009-08-17)
      In this manuscript, we review the progress made in the synthesis of thick film-based piezoelectric and magnetoelectric structures for harvesting energy from mechanical vibrations and magnetic field. Piezoelectric compositions ...
    • Piezoelectric MEMS for energy harvesting 

      Kim, S. G.; Priya, S.; Kanno, I. (Cambridge University Press, 2012-11)
      Piezoelectric microelectromechanical systems (MEMS) have been proven to be an attractive technology for harvesting small magnitudes of energy from ambient vibrations. This technology promises to eliminate the need for ...
    • Piezoelectric properties and temperature stability of Mn-doped Pb(Mg1/3Nb2/3)-PbZrO3-PbTiO3 textured ceramics 

      Yan, Yongke; Cho, Kyung-Hoon; Priya, Shashank (AIP Publishing, 2012-03-01)
      In this letter, we report the electromechanical properties of textured 0.4Pb(Mg1/3Nb2/3) O-3-0.25PbZrO(3)-0.35PbTiO(3) (PMN-PZT) composition which has relatively high rhombohedral to tetragonal (R-T) transition temperature ...
    • Recent Progress on PZT Based Piezoelectric Energy Harvesting Technologies 

      Kang, Min-Gyu; Jung, Woo-Suk; Kang, Chong-Yun; Yoon, Seok-Jin (MDPI, 2016-02-22)
      Energy harvesting is the most effective way to respond to the energy shortage and to produce sustainable power sources from the surrounding environment. The energy harvesting technology enables scavenging electrical energy ...
    • A Review on Low-Grade Thermal Energy Harvesting: Materials, Methods and Devices 

      Kishore, Ravi Anant; Priya, Shashank (MDPI, 2018-08-14)
      Combined rejected and naturally available heat constitute an enormous energy resource that remains mostly untapped. Thermal energy harvesting can provide a cost-effective and reliable way to convert available heat into ...
    • Room temperature ferromagnetic resonance in hetero-epitaxial BTO-BFO/LSMO magnetoelectric composite 

      Madon, Benjamin; Kang, Han Byul; Kang, Min Gyu; Maurya, Deepam; Magill, Brenden A.; Alves, Marcos J.P.; Wegrowe, Jean-Eric; Drouhin, Henri-Jean; Priya, Shashank; Khodaparast, Giti A. (American Institute of Physics, 2018-10-30)
      We synthesized epitaxial BTO-BFO heterostructure with decreased leakage and simultaneously improved the multiferroic properties. This study provides new direction for ferromagnetic resonance studies, in high quality BTO-BFO ...
    • Room-temperature magnetoelectric coupling in single-phase BaTiO3-BiFeO3 system 

      Yang, Su-Chul; Kumar, Ashok; Petkov, Valeri; Priya, Shashank (American Institute of Physics, 2013-04-14)
      In this paper, single-phase multiferroic ceramics of (1 - x) BaTiO3 - x BiFeO3 (BT - x BFO) were synthesized by solid-solution method in the wide range of material composition (x = 0.025 - 1.0). The changes in crystal ...
    • Self-assembled NaNbO3-Nb2O5 (ferroelectric-semiconductor) heterostructures grown on LaAlO3 substrates 

      Wang, Zhiguang; Li, Yanxi; Chen, Bo; Viswan, Ravindranath; Li, Jiefang; Viehland, Dwight D. (AIP Publishing, 2012-09-01)
      We deposited NaNbO3 (NNO)-Nb2O5 (NO) self-assembled heterostructures on LaAlO3 (LAO) to form ferroelectric-semiconductor vertically integrated nanostructures. The NNO component formed as nanorods embedded in a NO matrix. ...
    • Self-biased converse magnetoelectric effect 

      Yang, Su-Chul; Cho, Kyung-Hoon; Park, Chee-Sung; Priya, Shashank (AIP Publishing, 2011-11-01)
      In this letter, we investigate the direct magnetoelectric (DME) and converse magnetoelectric (CME) effects in three-phase metal-ceramic laminate composites. Longitudinally poled and transversely magnetized (L-T) laminate ...
    • Status and Perspectives of Multiferroic Magnetoelectric Composite Materials and Applications 

      Palneedi, Haribabu; Annapureddy, Venkateswarlu; Priya, Shashank; Ryu, Jungho (MDPI, 2016-03-09)
      Multiferroic magnetoelectric (ME) composites are attractive materials for various electrically and magnetically cross-coupled devices. Many studies have been conducted on fundamental understanding, fabrication processes, ...
    • Structure-performance relationships for cantilever-type piezoelectric energy harvesters 

      Cho, Kyung-Hoon; Park, Hwi-Yeol; Heo, Jin S.; Priya, Shashank (American Institute of Physics, 2014-05-28)
      This study provides comprehensive analysis of the structure-performance relationships in cantilever-type piezoelectric energy harvesters. It provides full understanding of the effect of all the practical global control ...
    • Synthesis and Behavior of Cetyltrimethyl Ammonium Bromide Stabilized Zn1+xSnO3, (0 <= x <= 1) Nano-Crystallites 

      Placke, Astrid; Kumar, Ashok; Priya, Shashank (PLOS, 2016-05-26)
      We report synthesis of cetyltrimethyl ammonium bromide (CTAB) stabilized Zn1+xSnO3+x (0 ≤ x ≤1) nano-crystallites by facile cost-effective wet chemistry route. The X-ray diffraction patterns of as-synthesized powders at ...
    • Synthesis and Optical Characterization of Mg1-xNixO Nanostructures 

      Budiredla, Nageswararao; Kumar, Ashok; Thota, Subhash; Kumar, Jitendra (Hindawi, 2012-11-20)
      An attempt has been made here to synthesize nano-powders via sol-gel process. These powders are shown to possess an f.c.c. (NaCl-type) structure with a typical lattice parameter of  Å for when decomposition of dried ...
    • Thermal conductivity of self-assembled nano-structured ZnO bulk ceramics 

      Zhao, Yu; Yan, Yongke; Kumar, Ashok; Wang, Hsin; Porter, Wallace D.; Priya, Shashank (American Institute of Physics, 2012-08-01)
      In this study, we describe the changes in thermal conductivity behavior of ZnO-Al micro- and nano-two-phase self-assembled composites with varying grain sizes. The reduction in thermal conductivity values of micro-composites ...
    • Thermo-Magneto-Electric Generator Arrays for Active Heat Recovery System 

      Chun, Jinsung; Song, Hyun-Cheol; Kang, Min-Gyu; Kang, Han Byul; Kishore, Ravi Anant; Priya, Shashank (Springer Nature, 2017-02-01)
      Continued emphasis on development of thermal cooling systems is being placed that can cycle low grade heat. Examples include solar powered unmanned aerial vehicles (UAVs) and data storage servers. The power efficiency of ...
    • Tunable magnetoelectric response of dimensionally gradient laminate composites 

      Park, C. S.; Avirovik, D.; Bichurin, Mirza I.; Petrov, Vladimir M.; Priya, Shashank (AIP Publishing, 2012-05-01)
      A magnetoelectric (ME) sensor exhibiting wideband behavior as a function of applied magnetic DC bias and frequency was designed by combining the dimensionally gradient piezoelectric layer with Metglas magnetostrictive ...
    • Tunable self-biased magnetoelectric response in homogenous laminates 

      Zhou, Y.; Yang, S. C.; Apo, D. J.; Maurya, Deepam; Priya, Shashank (AIP Publishing, 2012-12-01)
      In this study, we demonstrate self-biased magnetoelectric effect in homogenous two-phase magnetostrictive-piezoelectric laminates. Our results illustrate the method for tuning the magnitude of self-bias effect and provide ...
    • Ultra-high frequency photoconductivity decay in GaAs/Ge/GaAs double heterostructure grown by molecular beam epitaxy 

      Hudait, Mantu K.; Zhu, Y.; Johnston, S. W.; Maurya, Deepam; Priya, Shashank; Umbel, R. (AIP Publishing, 2013-03-01)
      GaAs/Ge/GaAs double heterostructures (DHs) were grown in-situ using two separate molecular beam epitaxy chambers. High-resolution x-ray rocking curve demonstrates a high-quality GaAs/Ge/GaAs heterostructure by observing ...
    • Ultra-high performance wearable thermoelectric coolers with less materials 

      Kishore, Ravi Anant; Nozariasbmarz, Amin; Poudel, Bed; Sanghadasa, Mohan; Priya, Shashank (Springer Nature, 2019-04-16)
      Thermoelectric coolers are attracting significant attention for replacing age-old cooling and refrigeration devices. Localized cooling by wearable thermoelectric coolers will decrease the usage of traditional systems, ...