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zero phonon line
相关语句
  零声子线
     At the same time, We show that under a proper nitrogen doping concentration, due to the "concentration quenching" effect, the full spectrum of the NN3 center (i.e., its zero phonon line and various phonon replicas) is revealed without the interference from the spectra of other higher energy centers (especially NN4-NN6).
     同时,在较低组分(x月.12%)的样品中,直接观测到了NN,零声子线及其声子伴线,并得到各声子的能量,与以前的间接实验相比,提供了直接的证据,证实了NN3束缚激子具有与NN:和孤立N中心完全相似的声子伴线。
短句来源
     With temperature reduced, while the intensity of J-peak, the zero phonon line increased, anomalous enhancement of the phonon sideband was observed.
     随着温度下降零声子线J峰强度的增大,观察到声子伴带的异常加强。
短句来源
     A zero phonon line at 632.1 nm wavelength belonged to R 2 color center are observed in the absorption spectra of the NaCl crystals measured at 10 K temperature. The spectral properties and thermal stabilities of the zero phonon line are investigated at different temperatures.
     在 10 K温度下的吸收光谱中观测到位于 6 32 .1nm波长处的 R2 色心的零声子线 ,并在不同温度下对零声子线的光谱特性和热稳定性进行了研究。
短句来源
  相似匹配句对
     The zero-phonon absorption line at 6166(?)
     首次观察出6166(?)
短句来源
     From zero Hero
     零号英雄
短句来源
     About "O"and "Zero
     “O”与“零”辨析
短句来源
     ZERO-PHONON LINE AND LOCAL MODES OF TETRAPHENYLPORPHIN IN CELLULOSE ACETATE FILM
     在醋酸纤维素薄膜中四苯基卟吩的零声子线和局域模
短句来源
     Zero Phonon Transitions and Chemical Shifts of NaCl Crystals Implanted with Xe Ions
     氙离子注入氯化钠晶体零声子跃迁和化学位移
短句来源
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  zero phonon line
A donor-acceptor pair recombination (zero phonon line at 3.05?eV) with LO phonon replica is observed.
      
Low temperature PL measurements of the ZnO nanodots show that the near band edge part of the spectra is dominated by a zero phonon line near 3.36?eV which is an overlap of two emitting lines near 3.363?eV and 3.367?eV.
      
In the absorption spectrum the zero phonon line is found to be suppressed and the phonon side bands differ in shape from those in the thermal case.
      
The motion generates a regular progression between the zero-phonon line and $7 K, the upper limit being determined by quantum evaporation.
      
The Sm2 zero-phonon line at 706 nm is also observed here.
      
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The photoluminescences of GaP (N, Te, Zn) at 77 K have been studied under high pressures. The pressure coefficients of donor Te and exciton levels bound to N, NN1, NN3, and neutral donor Te have been obtained. The pressure behaviors of these levels have been discussed. The zero-phonon line of free excitons in GaP is observed for the first time.

对GaP(N,Te,Zn)样品做了77K的静压光致荧光研究。得到了N,NN_1,NN_3束缚激子能级的压力系数,以及施主Te和中性施主Te的束缚激子能级的压力系数。讨论了这些能级随压力的变化行为,并首次观察到Gap中自由激子的零声子发射。

The simple linear relation between Δ (the gap between 4T2 and 2E zero-phonon lines) and parameters Dq, B. C and ΔE, (Stoke's shift), was discovered by analysis and calculations on the basis of Tanabe-Sugano matrices. The applicability of the relationship was explained on sone examples. The crystal-field strength criterion made by P. T. Kenyon was deduced and its limitation in the application was pointed out.

本文以Tanabe-Sugano矩阵为基础,通过分析和计算发现,~4Υ_2和~2E零声子线之间的间隔△与参数D_q、B、C和△E_(?)(斯托克斯频移)之间有简单的线性关系.举例说明了此关系式的应用,并对P.T.Kenyon晶场强度判据作了推导,指出了其在应用上的局限性.

Because photochemical hole burning (PHB), population hole burning and photon echo are all performed on zero-phonon line (ZPL), it is useful to study ZPL and vibrational mode.We have obtained the absorption spectrum of tetraphenyporphin (TPP) in cellulose acetate film at room temperature which contains four bands peaking at 649, 594,552 and 516 nm respectively. They originated from the absorption transition of TPP, while host cellulose acetate does not contribute to this range of the absorption...

Because photochemical hole burning (PHB), population hole burning and photon echo are all performed on zero-phonon line (ZPL), it is useful to study ZPL and vibrational mode.We have obtained the absorption spectrum of tetraphenyporphin (TPP) in cellulose acetate film at room temperature which contains four bands peaking at 649, 594,552 and 516 nm respectively. They originated from the absorption transition of TPP, while host cellulose acetate does not contribute to this range of the absorption spectrum. The band centered at 649 nm is ZPL of TPP (0-0 transition) and its FWHM is about 2Cnm.By fitting the experiment data of the ZPL with Lorentzian and Gaussian line shapes respectively, it is shown that the ZPL is close to Gaussian. The ZPL is inhomogeneousely broadened.A vibrational mode of frequency 1323cm-1 was estimated from Fig.1(upper). According to Huang-RhyS-Pekar (H-R-P) Wp (S, ) functionwhere is average phonon number, we calculated the so-called H-R-P factor s~1.45. Since lphonon coupling strength.In the Raman scattering excited by 514.5 nm line of Ar+ laser, A strong scattering at frequency 1328 cm- was observed. It was verified that there was really a vibrational mode of frequency 1323cm-1. Also, the pyrrole bending mode of frequency about 1440-1, the pyrrole =C-N stretch mode of frequency 1357cm-1 and mono-substituted benzene stretch mode of frequency 1155 cm-1 were observed.

测量了酸醋纤维素(cellulose acetate)薄膜中四苯基卟吩(α,β,γ,δ-tetraphenyporphin,即TPP)的吸收光谱。分析了Gauss型的非均匀加宽的零声子线,用Huang-Rhys-Pekar(H-R-P)W_p(S,)函数得到了H-R-P因子S~1.45.Raman散射实验证实了在TPP中有频率大约为1323cm~(-1)振动模的存在,同时也观测到了频率大约为1440cm~(-)的吡咯C-H弯曲模、1357cm~(-1)的吡咯=C-N拉伸振动模和频率大约为1155cm~(-1)的单取代苯拉伸振动模。

 
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