Electronic Raman and Infrared Spectra of Isotopically Controlled “Blue” Diamonds
Electronic Raman and Infrared Spectra of Isotopically Controlled “Blue” Diamonds
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同位素控制“蓝色”钻石的电子拉曼和红外光谱
DOI：
10.1103/physrevlett.79.1706
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发表时间：
1997
影响因子：
8.6
通讯作者：
T. R. Anthony
中科院分区：
文献类型：
--
作者：
Hyunjung Kim;R. Vogelgesang;A. Ramdas;S. Rodriguez;M. Grimsditch;T. R. Anthony
We report the first observation of the electronic Raman effect in semiconducting p-type, isotopically controlled diamonds. The Raman transition between the spin-orbit split 1s ground states of boron acceptors occurs at ${\ensuremath{\Delta}}^{\ensuremath{'}}\phantom{\rule{0ex}{0ex}}=\phantom{\rule{0ex}{0ex}}2.07\left(1\right)$ and 2.01(1) meV in natural and ${}^{13}\mathrm{C}$ diamonds, respectively. Polarization features show the transition to be predominantly ${\ensuremath{\gamma}}_{5}$ in character, placing an upper limit on the ratio of the nonspherical Luttinger parameters of the valence band. Host-isotope-related self-energy shifts are observed in both the electronic infrared and Raman spectra.
We report the first observation of the electronic Raman effect in semiconducting p-type, isotopically controlled diamonds. The Raman transition between the spin-orbit split 1s ground states of boron acceptors occurs at ${\ensuremath{\Delta}}^{\ensuremath{'}}\phantom{\rule{0ex}{0ex}}=\phantom{\rule{0ex}{0ex}}2.07\left(1\right)$ and 2.01(1) meV in natural and ${}^{13}\mathrm{C}$ diamonds, respectively. Polarization features show the transition to be predominantly ${\ensuremath{\gamma}}_{5}$ in character, placing an upper limit on the ratio of the nonspherical Luttinger parameters of the valence band. Host-isotope-related self-energy shifts are observed in both the electronic infrared and Raman spectra.