Dr. Libu K Alexander Assistant Professor Email: Personal Web Page

 

Academic Qualifications:

• Ph. D. Physics Indian Institute of Technology Bombay
• M. Sc. Physics Cochin University of Science and Technology

Research Interests:

Functional Materials, Environmental Remediation, Graphene, Magnetism, Sensors

Academic and Administrative Responsibilities:

• Director, Centre for Photonics, School of Physical Sciences
  
• University Co-ordinator, MHRD-GIAN Program and MHRD- SPARC program
• Academic Director, Calicut University Institute of Engineering and Technology
• Member, PG Physics Board of Studies. 

Academic positions held:

• Assistant Professor, Dept of Physics, University of Calicut (Since March 2012)
• Assistant Professor, Dept of Physics, UC College, Aluva (March 2011 to March 2012)
• Post Doctoral Fellow, Centre for Quantum Computer Technology, ARC centre of excellence, University of New South Wales, Australia (August 2008 to January 2011)
• Post Doctoral Fellow, Laborataire de Physique des Solides (LPS), Université Paris-Sud, Orsay, Paris, France (July 2007 to August 2008)

Recent Publications (selected):

1. Removal of Pb2+ and Cd2+ toxic heavy metal ions driven by Fermi level modification in NiFe2O4–Pd nano hybrids, B Thomas, LK Alexander, J. Sol. State Chem. 288, 121417 (2020).
2. Nanoreactor based enhancement of photocatalysis with Co0.7Zn0.3Fe2O4@ SrTiO3 core-shell nanocomposites, B.Thomas, L. K. Alexander, J. Alloys and Comp. 788, 257-266(2019).
3. Strain induced optical properties of perovskite LaFeO3. Vidyarajan N, L. K. Alexander, Mat. Res. Express 6, 015610 (2018).
4. Enhanced synergetic effect of Cr(VI) ion removal and anionic dye degradation with superparamagnetic cobalt ferrite meso– macroporous nanospheres, B.Thomas, L. K. Alexander, Appl. Nanosci. 8, 125-135 (2018).
5. Graphene/BiVO4/TiO2 nanocomposite: tuning band gap energies for superior photocatalytic activity under visible light, A.R, Nanakkal, L. K. Alexander, J. Mat. Sci. 52, 7997(2017).
6. Photocatalytic activity of graphene/ZnO nanocomposite fabricated by two-step electrochemical route. A.R, Nanakkal, L. K. Alexander, J. Chem. Sci. 129, 95 (2017).
7. Impurity effects in coupled-ladder BiCu₂PO₆ studied by NMR and quantum Monte Carlo simulations, L. K. Alexander, J. Bobroff, A. V. Mahajan, B. Koteswararao, N. Laflorencie, F.Alet, Phys. Rev. B 81, 054438/1-9 (2010).
8. Doping effects in the coupled, two-leg spin ladder BiCu₂PO₆, B. Koteswararao, A. V. Mahajan, L. K. Alexander, J. Bobroff, J. Phys-Cond. Matt. 22, 035601/1-9 (2010).
9. Low Temperature nuclear orientation studies of the magnetic structures of RNiAl₄ in applied magnetic fields, W.D. Hutchison, L. K. Alexander, K. Nishimura, Hyperfine Interactions(springer) 197:111–115 (2010).
10. Impurity-Induced Magnetic Order in Low-Dimensional Spin-Gapped Materials, J. Bobroff, N. Laflorencie, L. K. Alexander, A. V. Mahajan, B. Koteswararao, P. Mendels, Phys. Rev. Letters 103, 047201/1-4 (2009).
11. Vortex dynamics and frustration in two-dimensional triangular chromium lattices, M. Hemmida, H.-A. Krug von Nidda, N. Büttgen, A. Loidl, L. K. Alexander, R. Nath, V. Mahajan, R. F. Berger, R. J. Cava, Yogesh Singh, and D. C. Johnston, Phys. Rev. B 80, 054406/1-5 (2009).
12. Spin dynamics in Heisenberg triangular antiferromagnets: A μSR study of LiCrO₂, Olariu, P. Mendels, F. Bert, L. K. Alexander, A. V. Mahajan, A. D. Hillier, A.Amato, Phys. Rev. B 79, 224401/1-5 (2009).
13. ⁷Li NMR studies on the triangular lattice system LiCrO₂, L. K. Alexander, N. Buttgen, R. Nath, A. V. Mahajan, A. Loidl, Phys. Rev. B 76, 064429/1-8 (2007).

Research Group:

PhD Students:

1. Anju K (Polymer Nanocomposite based phthalate sensors)
2. Sravandas P (Environmental Remediation)
3. Reeja Gopalakrishnan (Core-Shell Nanocomposites for hydrogen gas generation)
4. Aruna Unnikrishnan (Tuning properties of Graphene)

Mphil Students:

1. Vishnupriya KS

PhD awarded:

1. Ahamad Raseen Nanakkal (Graphene- Metal Oxide Nanocomposites for Photocatalysis
2. Vidyarajan N (Graphene – Perovskite Interface)
3. Bintu Thomas (Surface Modified Magnetic Nanoparticles)

MPhil awarded:

1. Geeshpath GK
2. Anju Parveen KA
3. Reshma Rajan
4. Anusha K
5. Swathi AC
6. Aruna Unnikrishnan
7. Pranav Premdas

Research Projects:

• Principal Investigator, “Development of Graphene composites and magnetically recoverable composites for water purification by photocatalysis” KSCSTE, Rs 33,00,000, 2016-2020.
• Principal Investigator, Characterization studies and tuning magnetic properties of Graphene nanocomposites, UGC, Rs 6,00,000, 2013-2015.