dpandey.mst's picture
Dr. Dhananjai Pandey
Institute Professor
School of Materials Science and Technology,IIT BHU
dpandey.mst@iitbhu.ac.in
0542-2314658
Area of Interest: 
Ferroics and Multiferroics, Functional Materials, X-ray and Neutron Crystallography

* Ferroics and Multiferroics (Magnetoelectrics, Relaxors,Morphotropic Phase Boundary Systems, Doped Quantum Paraelectrics, Antiferrodistortive  Phase Transitions, Size driven Phase Transitions)
* Polytypism and Structural Phase Transitions in Layered Materials
* Monte Carlo Simulations and Calculation of Diffuse Scattering
* Powder X-ray and Neutron Crystallography
* Shape Memory Alloys ( Magnetic and Non-magnetic)
* Synthesis of Advanced Ceramics.
  •  R  A  Mashelkar Endowment Lecture  (2011)
  •  Fellowship of National Academy of Sciences of India (2010)
  •  Prof C. N. R. Rao Education Foundation Award for Excellence in Scientific Research (2009)
  •  Indian Science Congress Association’s  Platinum Jubilee Award in Physical  Sciences (2009)
  •  DAE Raja Ramanna Award in Physical Sciences (2008)
  •  Fellowship of Indian National Science Academy (2004)
  •  ICSC-MRSI Annual Prize of Materials Research Society of India (2004)
  •  Prof Nand Lal Singh Memorial Lecture
  •  Membership (by Election) of Asia Pacific Academy of Materials (2001)
  •  Fellowship of Indian Academy of Sciences (2000)
  •  Senior Associateship of Inter University Consortium for DAE Facilities
  •  Materials Research Society of India Medal (MRSI-Medal) (1990)
  •  Homi Bhabha Fellowship (1985-86)
  •  Young Scientist Medal of Indian National Science Academy (1980)

 
* Elected Member, Commission on Aperiodic Crystals of the International Union of Crystallography (1993-1996), Reelected for the periods 1996-1999, 1999-2002;  Consultant 2002-2005.

* Elected Member, Working Group on Phase Transitions Nomenclature of the International Union of Crystallography (1999)
 
*  Member, Commission on Journals of the International Union of Crystallography

* Member, International Program Advisory Committee of the International Conferences on Aperiodic Crystals held in Switzerland  (1994), France (1997), Netherlands (2000),  Brazil (2004) and Zao, Sendai (2006).

* Member, Commission on Inorganic and Mineral Structures of the International Union of Crystallography (2005-2008, 2008-11, 2011-14).

* Consultant to Commission on Mathematical and Theoretical Cystallography of the International Union of Crystallography (2008-11, 2011-14).

* Member, International Advisory Board of Symposium A "Adaptive, Active and Multifunctional Smart Materials Systems" of 4th International Conference on Smart Materials, Structures and Systems, Florence, 2012. 
 

* Member, Programme Advisory Committee in Condensed Matter Physics and Materials Science (PAC-CMP) of DST (1991-93, 2002-2004, 2004-2006)

*  Member, Research Advisory Committee of CSIR in Engineering Sciences (2004-2007)

*  Member, DST-FIST Advisory Committee  in Physical Sciences(2009-12)

* Member,Programme Advisory Committee of DST for the ILTP with Russia in Electronic Materials

* Member, National Committee for the International Union of Crystallography appointed by INSA (1991-94, 2003-2005)

* Member-Secretary, National Committee for the International Union of Crystallography appointed by INSA (1994-97),

* Member, Scientific Advisory Committee of UGC-DAE Centre for Advance Research 

* Member of various Committees of UGC and CSIR (Bhatnagar Prize and Young Scientist Award etc) from time to time

* Member of Sectional Committees of IASc and INSA

* Member, Governing Body and Governing Council of Inter University Accelerator  Center (2006-9)

* Vice President, Indian Crystallographic Association (2004-5,2010-12)

* Vice President, Materials Research Society of India (2011-13)
 

  1. Residual stress induced stabilization of martensite phase and its effect on the magnetostructural transition in Mn-rich Ni-Mn-In/Ga magnetic shape-memory alloys, Sanjay Singh, Pallavi Kushwaha, F. Scheibel, Hanns-Peter Liermann, S. R. Barman, M. Acet, C. Felser, and Dhananjai Pandey, Phys. Rev. B 92, 020105(R) (2015).
  2. Kinetics of premartensite to martensite transition and its implications on the origin of modulation in Ni 2MnGa ferromagnetic shape memory alloy”, Sanjay Singh, J. Bednarcik, S. R. Barman, Dhananjai Pandey et al. Phys. Rev. B (2015)
  3. Extraordinary enhancement of Néel transition temperature in nanoparticles of multiferroic tetragonal compositions of (1 − x)BiFeO3-xPbTiO3 solid solutions”, Chandan UpadhyayPappu Kumar HarijanAnatoliy SenyshynR. Ranganathan and Dhananjai PandeyAppl. Phys. Lett. 106, 093103 (2015).
  4. Extraordinary enhancement of Néel transition temperature in nanoparticles of multiferroic tetragonal compositions of (1−x) BiFeO3-xPbTiO3 solid solutions, Chandan Upadhyay, PK Harijan, A Senyshyn, R Ranganathan, Dhananjai Pandey, Applied Physics Letters 106 (2015), 093103.
  5. Magnetic transitions and site-disordered induced weak ferromagnetism in (1-x) BiFeO 3-x BaTiO 3  A Singh, A Senyshyn, H Fuess, SJ Kennedy, D Pandey, Physical Review B 89, 024108 (2014)
  6. High-resolution synchrotron x-ray powder diffraction study of the incommensurate modulation in the martensite phase of Ni2MnGa: Evidence for nearly 7M modulation and phason broadening”, Sanjay Singh, V. Petricek, Parasmani Rajput, Adrian H. Hill, E. Suard, S. R. Barman, and Dhananjai Pandey, Phys. Rev. B 90, 014109 (2014).
  7. Incommensurate modulations in stoichiometric Ni2MnGa ferromagnetic shape memory alloy: An overview S Singh, SR Barman, D Pandey, Zeitschrift für Kristallographie-Crystalline Materials   (2014)
  8. Evidence for a tricritical point coinciding with the triple point in (Pb 0.94 Sr 0.06)(Zr x Ti 1− x) O 3: A  combined synchrotron x-ray diffraction, dielectric, and Landau theory study RS Solanki, SK Mishra, Y Kuroiwa, C Moriyoshi, D Pandey  Physical Review B 88, 184109 (2013)
  9. Evidence for weak ferromagnetism, isostructural phase transition, and linear magnetoelectric coupling in the multiferroic Bi 0.8 Pb 0.2 Fe 0.9 Nb 0.1 O 3 solid solution JP Patel, A Senyshyn, H Fuess, D Pandey Physical Review B 88 (10), 104108
  10. Visualization of Bi3+ off-centering in the average cubic structure of (Ba0. 70Bi0. 30)(Ti0. 70Fe0. 30) O3 at the electron density level A Singh, C Moriyoshi, Y Kuroiwa, D Pandey Applied Physics Letters 103 (12), 121907
  11. Evidence for local monoclinic structure, polarization rotation, and morphotropic phase transitions in (1−  x) BiFeO 3-x BaTiO 3 solid solutions: A high-energy synchrotron x-ray powder diffraction study  A Singh, C Moriyoshi, Y Kuroiwa, D Pandey Physical Review B 88 (2), 024113
  12. Morin-type spin-reorientation transition below the Neel transition in the monoclinic compositions  of (1-x) BiFeO3-xPbTiO3 (x=0.25 and 0.27): A combined dc magnetization and x-ray and neutron powder diffraction study S. Bhattacharjee, A. Senyshyn, H. Fuess, Hartmut; D. PandeyPhys. Rev. B 87, 054417 (2013)
  13. Confirmation of the monoclinic Cc space group for the ground state phase of Pb (Zr0.525Ti0.475) O3:  A combined synchrotron X-ray and neutron powder diffraction study R.S. Solanki, S.K. Mishra, A. Senyshyn, Anatoliy; D. Pandey   Appl. Phys. lett. 102, 052903 (2013)
  14. A Comparative Thermal, Optical, Morphological and Mechanical Properties Studies of Pristine and C15A Nanoclay-Modified PC/PMMA Blends: A critical evaluation of the role of nanoclay particles as compatibilizers .A. K. Singh, Rajiv Prakash and Dhananjai Pandey RSC Advances, 3 (2013) 15411-15420

Group Leader: Prof. Dhananjai Pandey
 

S.No. Name & Roll No. Photo Research/Project Title Google Scholar and Email ID
1. Mr. Pappu Kumar Harijan
Ph.D.
11615EN002

 

Multiferroics Pervoskite Solid Solution pappukmar10@gmail.com
2. Mr. Arun Kumar
Ph.D.
13111002
Phase Transition Studies on Multiferroics Solid Solution akumar.rs.mst13@itbhu.ac.in
3. Mr. Keshav Kumar
Ph.D.
14111005
Multiferroics, Spin Glass and Quantum Phase Transition keshav.rs.mst14@itbhu.ac.in
4. Ms. Pragya Singh
Ph.D.
15111007
Phase Transition Studies on Multiferroics Pervoskite Solid Solution System pragyas.rs.mst15@itbhu.ac.in
5. Mr. Aditya Chaudhary
M.Tech.

17112001
Synthesis and study on Lead Iron Niobate and Barium Iron Niobate adityachaudhary.mst17@itbhu.ac.in
6. Ishita Vyas
IDD
13114007
Quantum Phase Transition ishita.vyas.mst13@itbhu.ac.in
7. Gaurav Gupta
IDD
13114006
Quantum Phase Transition gaurav.gupta.mst13@itbhu.ac.in
8. Shashwat Sinha
IDD

14114011

 

Phase Transition Studies in Hexaferrites shashwat.sinha.mst14@itbhu.ac.in
S.N. Name of Facility Picture
1.
Physical Properties Measurement System
(1.8K to 1000K, 9T magnet, Cryogen Free)
2.
Cryogen Free Measurement System
(1.8K to 325K, 7T magnet )
3. X-ray Diffractometer
(Rotating anode, 18KW, 12K -1600K)
4.
Alpha-A High Performance Frequency Analyser
(Novocontrol)
5. LCR Meter
(HIOKI 3532)
6. Planetary Ball Mill
(Retsch)