Items where Author is "Kamaraju, N."

Article

Kamaraju, N. ; Kumar, Sunil ; Saha, Surajit ; Singh, Surjeet ; Suryanarayanan, R. ; Revcolevschi, A. ; Sood, A. K. (2011) Coherent phonons in pyrochlore titanates A₂Ti₂O₇ (A= Dy, Gd, Tb): a phase transition in Dy₂Ti₂O₇ at 110 K Physical Review B: Condensed Matter and Materials Physics, 83 (13). pp. 134104 _1-134104 _6. ISSN 1098-0121

Kumar, Sunil ; Kamaraju, N. ; Vasu, K. S. ; Sood, A. K. (2011) Femtosecond photoexcited carrier dynamics in reduced graphene oxide suspensions and films International Journal of Nanoscience, 10 (4-5). pp. 669-673. ISSN 0219-581X

Kamaraju, N. ; Kumar, Sunil ; Anija, M. ; Sood, A. K. (2010) Large-amplitude chirped coherent phonons in tellurium mediated by ultrafast photoexcited carrier diffusion Physical Review B: Condensed Matter and Materials Physics, 82 (19). pp. 195202_1-195202_7. ISSN 1098-0121

Kamaraju, N. ; Kumar, Sunil ; Sood, A. K. (2010) Temperature-dependent chirped coherent phonon dynamics in Bi₂Te₃ using high intensity femtosecond laser pulses EPL: Europhysics Letters, 92 (4). pp. 47007_1-47007_6. ISSN 0295-5075

Kumar, Sunil ; Kamaraju, N. ; Vasu, K. S. ; Nag, Angshuman ; Sood, A. K. ; Rao, C. N. R. (2010) Graphene analogue BCN: femtosecond nonlinear optical susceptibility and hot carrier dynamics Chemical Physics Letters, 499 (1-3). pp. 152-157. ISSN 0009-2614

Kumar, Sunil ; Kamaraju, N. ; Karthikeyan, B. ; Tondusson, M. ; Freysz, E. ; Sood, A. K. (2010) Terahertz spectroscopy of single-walled carbon nanotubes in a polymer film: observation of low-frequency phonons The Journal of Physical Chemistry C, 114 (29). pp. 12446-12450. ISSN 1932-7447

Kumar, Sunil ; Kamaraju, N. ; Karthikeyan, B. ; Tondusson, M. ; Freysz, E. ; Sood, A. K. (2010) Direct observation of low frequency confined acoustic phonons in silver nanoparticles: terahertz time domain spectroscopy The Journal of Chemical Physics, 133 (1). pp. 014502_1-014502_4. ISSN 0021-9606

Kamaraju, N. ; Kumar, Sunil ; Freysz, Eric ; Sood, A. K. (2010) Influence of two photon absorption induced free carriers on coherent polariton and phonon generation in ZnTe crystals Journal of Applied Physics, 107 (10). pp. 103102-103106. ISSN 0021-8979

Kamaraju, N. ; Kumar, Sunil ; Karthikeyan, B. ; Kakade, Bhalchandra ; Pillai, Vijayamohanan K. ; Sood, A. K. (2009) Ultrafast switching time and third order nonlinear coefficients of microwave treated single walled carbon nanotube suspensions Journal of Nanoscience and Nanotechnology, 9 (9). pp. 5550-5554. ISSN 1533-4880

Kumar, Sunil ; Anija, M. ; Kamaraju, N. ; Vasu, K. S. ; Subrahmanyam, K. S. ; Sood, A. K. ; Rao, C. N. R. (2009) Femtosecond carrier dynamics and saturable absorption in graphene suspensions Applied Physics Letters, 95 (19). pp. 191911_1-191911_3. ISSN 0003-6951

Kamaraju, N. ; Kumar, Sunil ; Karthikeyan, B. ; Moravsky, Alexander ; Loutfy, R. O. ; Sood, A. K. (2008) Ultrafast electron dynamics and cubic optical nonlinearity of freestanding thin film of double walled carbon nanotubes Applied Physics Letters, 93 (9). pp. 091903_1-091903_3. ISSN 0003-6951

Kamaraju, N. ; Kumar, Sunil ; Sood, A. K. ; Guha, Shekhar ; Krishnamurthy, Srinivasan ; Rao, C. N. R. (2007) Large nonlinear absorption and refraction coefficients of carbon nanotubes estimated from femtosecond z-scan measurements Applied Physics Letter, 91 (25). pp. 251103_1-251103_3. ISSN 0003-6951

Kamaraju, N. ; Balaji, S. ; Muthu, D. V. S. ; Mohan, S. ; Sood, A. K. (2006) Probing isolated bundles of single walled carbon nanotubes using bilayer interference enhanced Raman scattering Chemical Physics Letters, 423 (4-6). pp. 266-269. ISSN 0009-2614

Ghosh, Shankar ; Kamaraju, N. ; Seto, M. ; Fujimori, A. ; Takeda, Y. ; Ishiwata, S. ; Kawasaki, S. ; Azuma, M. ; Takano, M. ; Sood, A. K. (2005) Raman scattering in CaFeO₃ and La_0.33Sr_0.67FeO₃ across the charge-disproportionation phase transition Physical Review B: Condensed Matter and Materials Physics, 71 (24). pp. 245110_1-245110_7. ISSN 1098-0121