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Number of items: 31.

Conference Paper

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.

Kamaraju, N and Kumar, Sunil and Karthikeyan, B and Kakade, Bhalchandra and Pillai, Vijayamohanan K and Sood, AK (2009) Ultrafast Switching Time and Third Order Nonlinear Coefficients of Microwave Treated Single Walled Carbon Nanotube Suspensions. In: International Conference on Nanoscience and Technology, FEB 27-29, 2008, Chennai, India, pp. 5550-5554.

Journal Article

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, 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).

Das, Manasmita and Bandyopadhyay, Debarati and Singh, Raman Preet and Harde, Harshad and Kumar, Sunil and Jain, Sanyog (2012) Orthogonal biofunctionalization of magnetic nanoparticles via ``clickable'' poly(ethylene glycol) silanes: a ``universal ligand'' strategy to design stealth and target-specific nanocarriers. In: JOURNAL OF MATERIALS CHEMISTRY, 22 (47). pp. 24652-24667.

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.

Kamaraju, N and Kumar, Sunil and Saha, Surajit and Singh, Surjeet and Suryanarayanan, R and Revcolevschi, A and Sood, AK (2011) Coherent phonons in pyrochlore titanates A(2)Ti(2)O(7) (A = Dy, Gd, Tb): A phase transition in Dy2Ti2O7 at 110 K. In: Physical Review B: Condensed Matter and Materials Physics, 83 (13).

Kumar, Sunil and Varma, KBR (2011) Crystal structure and electrical properties of CaNaBi2Nb3O12 ceramics. In: Journal of Materials Science , 46 (8). pp. 2606-2610.

Kumar, Sunil and Varma, KBR (2011) Dielectric relaxation in bismuth layer-structured BaBi4Ti4O15 ferroelectric ceramics. In: Current Applied Physics, 11 (2). pp. 203-210.

Kamaraju, N and Kumar, Sunil and Anija, M and Sood, AK (2010) Large-amplitude chirped coherent phonons in tellurium mediated by ultrafast photoexcited carrier diffusion. In: Physical Review B: Condensed Matter and Materials Physics, 82 (19).

Kamaraju, N and Kumar, Sunil and Sood, AK (2010) Temperature-dependent chirped coherent phonon dynamics in Bi2Te3 using high-intensity femtosecond laser pulses. In: EPL: Europhysics Letters, 92 (4). p. 47007.

Kumar, Sunil and Kamaraju, N and Vasu, KS and Nag, Angshuman and Sood, AK and Rao, CNR (2010) Graphene analogue BCN: Femtosecond nonlinear optical susceptibility and hot carrier dynamics. In: Chemical Physics Letters, 499 (1-3). pp. 152-157.

Kumar, Sunil and Kamaraju, Natrajan and Moravsky, Alexander and Loutfy, R. O. and Tondusson, Marc and Freysz, Eric and Sood, Ajay Kumar (2010) Terahertz Time Domain Spectroscopy to Detect Low-Frequency Vibrations of Double-Walled Carbon Nanotubes. In: European Journal of Inorganic Chemistry (27). pp. 4363-4366.

Kumar, Sunil and Varma, KBR (2010) Structural, dielectric and ferroelectric properties of four-layer Aurivillius phase Na0.5La0.5Bi4Ti4O15. In: Materials Science and Engineering B, 172 (2). pp. 177-182.

Kumar, Sunil and Kamaraju, N and Karthikeyan, B and Tondusson, M and Freysz, E and Sood, AK (2010) Terahertz Spectroscopy of Single-Walled Carbon Nanotubes in a Polymer Film: Observation of Low-Frequency Phonons. In: Journal of Physical Chemistry C, 114 (29). pp. 12446-12450.

Kumar, Sunil and Kamaraju, N and Karthikeyan, B and Tondusson, M and Freysz, E and Sood, AK (2010) Direct observation of low frequency confined acoustic phonons in silver nanoparticles: Terahertz time domain spectroscopy. In: Journal of Chemical Physics, 133 (1). 014502-014505.

Kumar, Sunil and Varma, KBR (2010) Dielectric, Ferroelectric and Relaxor Behavior of BaLaxBi4-xTi4O15 Ceramics. In: Advanced Science Letters, 3 (1). pp. 20-27.

Kamaraju, N and Kumar, Sunil and Freysz, Eric and Sood, AK (2010) Influence of two photon absorption induced free carriers on coherent polariton and phonon generation in ZnTe crystals. In: Journal of Applied Physics, 107 (10). p. 103102.

Kumar, Sunil and Anija, M and Kamaraju, N and Vasu, KS and Subrahmanyam, KS and Sood, AK and Rao, CNR (2009) Femtosecond carrier dynamics and saturable absorption in graphene suspensions. In: Applied physics letters, 95 (19).

Kamaraju, N and Kumar, Sunil and Kim, Y A and Hayashi, T and Muramatsu, H and Endo, M and Sood, A K (2009) Double walled carbon nanotubes as ultrafast optical switches. In: Applied Physics Letters, 95 (8). 081106-081109.

Kumar, Sunil and Varma, KBR (2009) Influence of lanthanum doping on the dielectric, ferroelectric and relaxor behaviour of barium bismuth titanate ceramics. In: Journal of Physics D: Applied Physics, 42 (7). pp. 1-9.

Kumar, Sunil and Varma, KBR (2008) Relaxor behavior of $BaBi_4Ti_3Fe_{0.5}Nb_{0.5}O_{15}$ceramics. In: Solid State Communications, 147 (11-12). pp. 457-460.

Kamaraju, N and Kumar, Sunil and Karthikeyan, B and Moravsky, Alexander and Loutfy, RO and Sood, AK (2008) Ultrafast electron dynamics and cubic optical nonlinearity of freestanding thin film of double walled carbon nanotubes. In: Applied Physics Letters, 93 (9). 091903-1-091903-3.

Kumar, Sunil and Varma, KBR (2008) Structural and dielectric properties of $Bi_4Ti_2Nb_{0.5}Fe_{0.5}O_{12}$ ceramics. In: Solid State Communications, 146 (3-4). pp. 137-142.

Kamaraju, N and Kumar, Sunil and Sood, AK and Guha, Shekhar and Krishnamurthy, Srinivasan and Rao, CNR (2007) Large nonlinear absorption and refraction coefficients of carbon nanotubes estimated from femtosecond z-scan measurements. In: Applied Physics Letters, 91 (25). 251103-1-251103-3.

This list was generated on Thu Nov 27 13:10:43 2014 IST.