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Kumar, Sunil and Varma, KBR (2014) Relaxor behaviour in BaBi4Ti4O15 ceramics fabricated using the powders obtained by mechanochemically assisted synthesis route. In: BULLETIN OF MATERIALS SCIENCE, 37 (6). pp. 1233-1241.
Kumar, Sunil and Harnagea, L and Wurmehl, S and Buechner, B and Sood, AK (2014) Signatures of superconducting and pseudogap phases in ultrafast transient reflectivity of Ca(Fe0.927Co0.073)(2)As-2. In: EPL, 105 (4).
Kumar, Sunil and Anija, M and Sood, AK (2013) Tuning ultrafast photoresponse of gold nanorods. In: Plasmonics, 8 (3). pp. 1477-1483.
Kumar, Sunil and Shibu, ES and Pradeep, T and Sood, AK (2013) Ultrafast photoinduced enhancement of nonlinear optical response in 15-atom gold clusters on indium tin oxide conducting film. In: Optics Express, 21 (7). pp. 8483-8492.
Kumar, Sunil and Harnagea, L and Wurmehl, S and Buchner, B and Sood, AK (2013) Ultrafast quasiparticle relaxation dynamics in superconducting iron pnictide Ca(Fe0.944Co0.056)(2)As-2. In: Solid State Communications, 160 . pp. 8-12.
Kumar, Sunil and Harnagea, Luminita and Wurmehl, Sabine and Buchner, Bernd and Sood, AK (2013) Gap-Dependent Quasiparticle Dynamics and Coherent Acoustic Phonons in CaFe2As2 across Spin Density Wave Phase Transition. In: JOURNAL OF THE PHYSICAL SOCIETY OF JAPAN, 82 (4).
Kumar, Sunil and Ochoa, DA and Garcia, JE and Varma, KBR (2013) Nonlinear dielectric response of BaBi4Ti4O15 ceramics. In: 57th DAE Solid State Physics Symposium, 3–7 December 2012, Indian Institute of Technology, Bombay, Mumbai, India, pp. 998-999.
Kumar, Sunil and Ochoa, Diego A and Eduardo Garcia, Jose and Varma, Kalidindi BR (2012) Relaxor Ferroelectric Behavior and Structural Aspects of SrNaBi2Nb3O12 Ceramics. In: Journal of the American Ceramic Society, 95 (4). pp. 1339-1342.
Kumar, Sunil and Harnagea, L and Wurmehl, S and Buchner, B and Sood, AK (2012) Acoustic and optical phonon dynamics from femtosecond time-resolved optical spectroscopy of the superconducting iron pnictide Ca(Fe0.944Co0.056)(2)As-2. In: EPL, 100 (5).
Kumar, Sunil and Khorasaninejad, M and Adachi, MM and Karim, KS and Saini, SS and Sood, AK (2012) Probing ultrafast carrier dynamics, nonlinear absorption and refraction in core-shell silicon nanowires. In: PRAMANA-JOURNAL OF PHYSICS, 79 (3). pp. 471-481.
Kumar, Sunil and Kundu, Swarup and Ochoa, DA and Garcia, JE and Varma, KBR (2012) Raman scattering, microstructural and dielectric studies on Ba1-xCaxBi4Ti4O15 ceramics. In: MATERIALS CHEMISTRY AND PHYSICS, 136 (2-3). pp. 680-687.
