Temperature dependence of the first-order Raman phonon line of diamond

Liu, Ming S.; Bursill, L. A.; Prawer, Steven; Beserman, R.

doi:10.1103/physrevb.61.3391

Cited by 137 publications

(108 citation statements)

References 18 publications

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“…Above room temperature, the line width increases with temperature. Data for the line width up to 900 K, by Liu et al [39], agree with the third-order perturbation calculation of Debernardi et al [29] and are less temperature dependent than earlier data [40,41].…”

Section: Special Values Of K: the Raman Frequencysupporting

confidence: 78%

Basic Properties of Diamond: Phonon Spectra, Thermal Properties, Band Structure

Davies

2009

CVD Diamond for Electronic Devices and Sensors

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Section: Special Values Of K: the Raman Frequencysupporting

confidence: 78%

Basic Properties of Diamond: Phonon Spectra, Thermal Properties, Band Structure

Davies

2009

CVD Diamond for Electronic Devices and Sensors

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“…The literature has reported a great deal of variation in linewidth measurements for diamond, 6,18,20 varying from at least 1.1 cm −1 to as high as 4.75 cm −1 . Here, the TCUPS ͓Fig.…”

Section: Discussionmentioning

confidence: 99%

“…The first is the traditional technique, where the optical phonon lifetime is obtained from high-resolution linewidth measurements of the first-order Raman peak, usually conducted using narrowband excitation lasers and high-resolution spectrometers. 6 The alternative technique, working in the time domain, can directly show the temporal evolution of the surface vibrations of solids. 7 A femtosecond pump pulse is used to excite a phonon population.…”

Section: Introductionmentioning

confidence: 99%

Measuring phonon dephasing with ultrafast pulses using Raman spectral interference

et al. 2008

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A technique to measure the decoherence time of optical phonons in a solid is presented. Phonons are excited with a pair of time-delayed 80 fs near infrared pulses via spontaneous transient Raman scattering. The spectral fringe visibility of the resulting Raman pulse pair, as a function of time delay, is used to measure the phonon dephasing time. The method avoids the need to use either narrow band or few femtosecond pulses and is useful for low phonon excitations. The dephasing time of phonons created in bulk diamond is measured to be = 6.8 ps ͑⌬ = 1.56 cm −1 ͒.

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“…The observed widths of the literature, however, vary considerably from 1.2 cm − 1 to 4.75 cm − 1 [8,9,12,25,26]. The large variance is due to a number of factors including: spectrometer limitations, source linewidths, isotopic mass defects, nitrogen impurities, cyrstal boundaries, and stress gradients [3].…”

Section: Discussionmentioning

confidence: 99%

“…Standard diamond lifetime measurements in the literature [12,25,26] involve the direct measurement of phonon lifetime, which in the operator language is given by…”

Section: Pulse Sequencementioning

confidence: 99%