Anjana Asthana

Anjana Asthana

Contact

  • Research Assistant Professor, Materials Science and Engineering

Teaching Interests

  • Electron Microscopy
  • X-ray Diffraction
  • Solid State Physics
  • Nanotechnology
  • Electronic Materials

Research Interests

  • Nanomaterials, Semiconductors, Superconductors, Giant Magnetoresistance Materials, Magnetic Materials
  • Materials Characterization by SEM, TEM, X-ray Diffraction, Raman Spectroscopy and Photoluminescence Spectroscopy
  • Applications of Nanomaterials in Electronics, Energy Harvesting and Quantum Switching
  • In-Situ Transmission Electron Microscopy
  • Mechanics of Nanomaterials and Composites
  • Electron Transport Properties of Nanomaterials and Composites

Publications

  • Boyi Hao, Anjana Asthana, Paniz K. Hazaveh, Paul L. Bergstrom, Douglas Banyai, Madhusudan A. Savaikar, John A. Jaszczak & Yoke Khin Yap; New Flexible Channels for Room Temperature Tunneling Field Effect Transistors, Scientific Reports, 6(2016)20293
  • A. Asthana, Y. K .Yap, R. S. Yassar, Reza, 2014, “Field Emission from Zinc Oxide Nanobelts” Journal of Nanoscience and Nanotechnology 15 (2015) 2277
  • A. Asthana, H. A. Ardakani, Y. K. Yap and R. S. Yassar; Real time observation of mechanically triggered piezoelectric current in individual ZnO nanobelts. J. Mater.  Chem. C 2 (2014), 3995
  • A. Asthana, T. Shokuhfar, Q. Gao, P. A. Heiden, R. S. Yassar “Deformation-Driven  Electrical Transport in Amorphous TiO2 Nanotubes”  Appl. Phys. A 109 (2012) 127
  • A. Asthana, K. Momeni and R. S. Yassar, A. Prasad and Y. K. Yap “A study on the correlation of crystal defect and band gap properties of ZnO nanobelts” Appl. Phys. A 105 909 (2011).
  • A. Asthana, K. Momeni, A. Prasad, and Y. K. Yap and R. S. Yassar “In Situ Observation of Size Scale Effects on the Mechanical Properties of ZnO Nanowires” Nanotechnology 22 245101(2011).
  • A. Asthana, T. Shokuhfar, Q. Gao, P. Heiden, C. Friedrich, R. S. Yassar “A Study on the Modulation Electrical Transport; by; Mechanical Straining of Individual Titanium di Oxide Nanotube” Applied Phys. Lett, 97 (2010) 1.
  • A. Asthana, T. Shokuhfar, Q. Gao, P. A. Heiden, C. Friedrich, and R. S. Yassar ” A real time observation of phase transition of anatase TiO2 nanotubes into rutile particles by in situ Joule heating inside transmission electron microscope” Adv. Sci. Lett. 3, 557 (2010).
  • Anjana Asthana, Kasra Momeni, Abhishek Prasad, Yoke Khin Yap and Reza Shahbazian Yassar “ In situ Probing of Electromechanical Properties of an Individual ZnO Nanobelt” Applied Phys. Lett. 95 (2009) 172106.
  • Kasra Momeni Anjana Asthana, Abhishek Prasad, Yoke Khin Yap and Reza Shahbazian Yassar “Structural inhomogeneity and piezoelectric enhancement in ZnO nanobelts, Appl. Phys. A July (2012). Now online DOI 10.1007/s00339-012-7081-5 Read More
  • Fei Teng, Sunand Santhanagopalan, Anjana Asthana, Xiaobao Geng, Sun-il Mho, Reza Shahbazian-Yassar; and Dennis Desheng Meng “Self-assembly of LiFePO4 nanodendrites in a novel system of ethylene glycol–water” Journal of Crystal Growth, 312,2010, 3493.
  • Farheen N. Sayed, V. Grover, V. Sudarsan, B.N. Pandey, A. Asthana, R.K. Vatsa, A.K. Tyagi. “Multicolored and white-light phosphors based on doped GdF3 nanoparticles and their potential bio-applications”. J. Colloid Interface Sci. 367 (2012) 161–170
  • T. Shokuhfar, Q. Gao, A. Asthana, P. Heiden, C. Friedrich, “Structural Instabilities in TiO2 Nanotubes” Journal of Applied Physics, 108 (2010), 1043101.
  • Anjana Asthana, A Matsumoto, H. Kitaguchi, Y. Matsui and H Kumakura. H Yamada, N Uchiyama “Structural-Microstructural Characteristics and its Correlations   with the Superconducting Properties of in-situ PIT Processed MgB2 Tapes with Ethyltoulene and SiC Powder added” Superconductor Science and Technology21(2008) 115013.
  • Anjana Asthana and Yoshio Matsui “ A Study on   the   Structural- Microstructural Characterization and Defect   Structure of Ru based Magnetosuperconductor, RuSr2Eu1.4Ce0.6Cu2O10” Physica C 468 (2008) 458.
  • S. Balamurugan, K. Yamaura, A. Asthana, A. Ubaldini, Y. Matsui, and E. Takayama-Muromachi “Magnetic and transport and structure properties of the room temperature ferromagnetic Sr1-xHoxCoO3-δ.” Journal of Applied Physics, 102(2008) 07B903
  • Anjana Asthana, Yukiko Takahashi, Yoshio Matsui and K. Hono” Effect of base pressure on the structure and magnetic properties of FePt thin films” J. Mag. Magnetic Materials 320(2008) 250-256.
  • P. K. Siwach, P. Srivastava,  H. K. Singh,  A. Asthana, Y. Matsui, T. Sripathi and O. N. Srivastava “ Effect of multielement  doping on; low field magnetotransport in La0.7-xMmxCa0.3MnO3(0.0≤ x≤0.45) manganite “ J. Mag. Magnetic Materials 321 1814 (2009).
  • O. D. Jayakumar, I. K. Gopalakrishnan, R M. Kadam, Vinu Ajayan, Anjana Asthana, A. K. Tyagi and S. K. Kulshreshtha “Magnetization and structural studies of Mn doped ZnO nanoparticles: prepared by reverse micelle method" Journal of Crystal Growth 300(2007) 358-363.
  • O. D. Jayakumar, I. K. Gopalakrishnan, R. M. Kadam, A. Vinu, A. Asthana, K. V. Rao and A.  K. Tyagi “ Surfactant- induced enhanced room temperature   ferromagnetism in Zn0.96Mn0.03Li0.01O Nanoparticles Prepared by solid- state pyrolitic reaction”. J. Cryst. Growth 307(2007)315-320.
  • O. D. Jayakumar, I. K. Gopalakrishnan, A. Asthana, A. Vinu and A. K. Tyagi. “Room temperature ferromagnetism in Th1-xFexO2(x = 0.05, 0.10, 0.15, 0.20 and 0.25) nanoparticles" J. Alloys and Compounds 461(2008) 608-611.
  • Novel Microporous Carbon Material with Flower like Structure Templated by MCM-22" Srinivasu P., Vinu A., Gokulakrishnan N, Anandan S., Asthana A., Mori T. and Ariga K. J.   Nanoscience and Nanotechnology, 7 (2007)1-4.
  • Ajayan Vinu, Pavuluri Srinivasu,Toshiyuki Mori, Toshio Sasaki, Anjana Asthana, Katsuhiko Ariga, and Shunichi Hishita “Novel Hexagonally Ordered Nitrogen-doped Mesoporous Carbon from SBA-15/Polyaniline Nanocomposite” Chemistry Letters 36(2007)770-771.
  • Anjana Asthana, Yoshio Matsui, Makato Yasuda, Koji Kimoto and Ken-ichi-Ohshima “ nvestigations on the structural disordering of Neutron-irradiated highly oriented pyrolytic  graphite by X-ray diffraction and electron microscopy”. J. Appl. Cryst. 38 (2005), 361-367
  • Ananda Kumar Das, Anjana Asthana, Taro Fujita, Kenichi Kato, Masaki Takata and Ken-ichi-Ohshima. “Evidence of L10 type ordered structure at an equi-atomic composition of PtCr. J. Phys. Soc. Jpn.  74(2005) 1-2
  • Anjana Asthana, Chandrashekhar, Rajiv Giri and O. N. Srivastava “Improved superconducting properties of MgB2 bulk materials prepared by sintering” J. of Phys. D: Applied Phys. 36(2003) 2165-2169.
  • Anjana Asthana and O. N. Srivastava “The observation of curious spiral growth features in Tl doped Hg bearing high temperature superconducting tapes” Bulletin of Material Science 24 (2001) 1-5.
  • H. K. Singh, Anjana Asthana and O. N. Srivastava “ Structural-Microstructural characteristics and its correlation with Physical Properties in High temperature superconducting thin films and tapes” Studies of High Temperature Superconductor 30(2000) 63-78.
  • Anjana Asthana and O. N. Srivastava”The Synthesis, Characterization and Efffect of Ag doping on the transition temperature and critical current density of Hg1-xPbxBa2Ca2Cu3O8+δ (0.1<x<0.5) HTSC tapes” Physica C 320(1999)31-38.
  • Anjana Asthana and O. N. Srivastava “ Fabrication and Characterization of Hg(Tl) HTSC tapes” Supercond. Sci. &Technol. 11(1998) 244-249.
  • Anjana Asthana, G. D. Verma and O. N. Srivastava.” The synthesis and Characterization of Tl2Ba2Ca2Cu3O10Agy (0.10<y<0.65) tapes and Ag induced effect on their microstructure. J. Phys. D: Applied Phys”30(1998) 2069-2077