The ultraviolet-visible absorption spectrum of bromine between room temperature and 440°

Passchier, A. A.; Christian, Jerry D.; Gregory, N. W.

doi:10.1021/j100863a025

Cited by 83 publications

(26 citation statements)

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“…Considering the case of the neutral framework of AFI single crystals and exactly similar Raman features of (I 2 ) n ( n ≥ 2) chains inside the channels of AFI single crystals, the most intense Raman band at 260 cm −1 from the Br@AFI sample can be assigned to the (Br 2 ) n ( n ≥ 2) chains. The appearance of (Br 2 ) n chains is also considered as possible on the basis of deducing from the temperature dependencies of UV/VIS spectra of bromine vapor and spectroscopic studies of the reaction of alkaline bromides with Br 2 in Ar matrix . The large redshift of Raman wavenumber of bromine chains with respect to that of individual bromine molecules suggests that bromine molecules in the chains structure exist in a different state compared with the individual molecules.…”

Section: Resultsmentioning

confidence: 99%

Raman spectroscopy of bromine chains inside the one-dimensional channels of AlPO₄-5 single crystals

Liu

Yao

Yuan

et al. 2015

J. Raman Spectrosc.

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Raman spectroscopy of the one-dimensional atomic or molecular chains, which are the attractive building blocks of advanced nanoscale materials, is crucial in understanding the physical properties of the one-dimensional atomic or molecular chains. Here, we introduce the bromine into the one-dimensional channels of AlPO 4 -5 single crystals through a physical vapor diffusion method. Raman spectroscopy indicates that the confined bromine structures mainly exist as (Br 2 ) n chains, individual Br 2 molecules, and a small amount of Br 3 À chains inside the channels of AlPO 4 -5 single crystals. Polarized Raman spectra demonstrate that the bromine molecular chains are approximately parallel to the channel direction of AlPO 4 -5 single crystals.

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Section: Resultsmentioning

confidence: 99%

Raman spectroscopy of bromine chains inside the one-dimensional channels of AlPO₄-5 single crystals

Liu

Yao

Yuan

et al. 2015

J. Raman Spectrosc.

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“…The spectra of Figure 1 reflect the electronic spectrum of Br, which shows a maximum near 4200 A in the region of continuous absorption [13,14]. As the exciting line approaches the absorption band maximum, the Raman fundamental and overtones increase in intensity.…”

Section: Brominementioning

confidence: 95%

“…The heats of dimerization of Br, and I, have been determined to be -2.3 and -2.9 kcal mole-', respectively [14,241. Since this spectrum was a regular Raman spectrum, insufficient intensity was available to detect Raman signals near the gas-phase value, where presumably matrix-isolated C1, would appear.…”

Section: 'Matrix-isolated' Halogensmentioning

confidence: 99%

Matrix Raman spectra of the molecular halogens: Resonance Raman spectra of isolated and aggregated I₂

Howard

Andrews

1974

J Raman Spectroscopy

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Iodine vapor was suspended in Ar, Kr, Xe and Nz matrices at 16K using several dilutions (Ar/IZ = 400/1, 1000/1,2500/1) and the Raman spectra were studied using krypton and argon plasma exciting lines. Two progressions were observed in the Ar/Iz = 400 samples: a weak one beginning at 212 i 1 cm-l, which has the gas-phase IZ spacing, and extending out to llv using 5145 8, excitation, and a very strong series beginning at 180 1 cm-l and extending out to 11 v with vibrational intervals near solid IZ values. The two progressions exhibited comparable intensities in the Ar/h = loo0 experiment. In the Ar/IZ =2500 experiments, the gas-phase-like series was intense and the 180 cm-1 interval spectrum was absent. The very strong I2 fundamental and regular overtone progressions increased in length and in intensity as the exciting wavelength decreased 6471 to 5145 A, reaching the absorption band maximum, and then decreased in length and intensity using 4880 and 4579 A excitation. These observations are characteristic of resonance Raman spectra. Spectroscopy 2 (1974) 441-462. All Rights Reserved Copyright 6 1974 by D . Reidel Publishing Company, Dordrecht-Holland Journal of Raman

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“…6 In the vacuum, it evaporates, filling the whole cell, until a pressure of 26 hPa is reached. The measurements are then repeated.…”

Section: Resultsmentioning

confidence: 99%

Quantum Bit Error Rate in Modeled Atmospheres

Antonietti

Mondin

Daneshgaran

et al. 2009

Int. J. Quantum Inform.

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The quantum bit error rate is a key quantity in quantum communications. If the quantum channel is the atmosphere, the information is usually encoded in the polarization of a photon. A link budget is required, which takes into account the depolarization of the photon after its interaction with the atmosphere as well as absorption, scattering and atmospheric emissions. An experimental setup for the reproduction of a simple model of the atmosphere is used to evaluate the quantum bit error rate in a BB84 protocol and the results are presented. This result represents a first step toward the realization of an optical bench experiment where atmospheric effects are simulated and controlled for reproducing the effects on a quantum channel in different meteorological situations.

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The ultraviolet-visible absorption spectrum of bromine between room temperature and 440°

Cited by 83 publications

References 0 publications

Raman spectroscopy of bromine chains inside the one-dimensional channels of AlPO₄-5 single crystals

Raman spectroscopy of bromine chains inside the one-dimensional channels of AlPO₄-5 single crystals

Matrix Raman spectra of the molecular halogens: Resonance Raman spectra of isolated and aggregated I₂

Quantum Bit Error Rate in Modeled Atmospheres

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The ultraviolet-visible absorption spectrum of bromine between room temperature and 440°

Cited by 83 publications

References 0 publications

Raman spectroscopy of bromine chains inside the one-dimensional channels of AlPO4-5 single crystals

Raman spectroscopy of bromine chains inside the one-dimensional channels of AlPO4-5 single crystals

Matrix Raman spectra of the molecular halogens: Resonance Raman spectra of isolated and aggregated I2

Quantum Bit Error Rate in Modeled Atmospheres

Contact Info

Product

Resources

About

Raman spectroscopy of bromine chains inside the one-dimensional channels of AlPO₄-5 single crystals

Raman spectroscopy of bromine chains inside the one-dimensional channels of AlPO₄-5 single crystals

Matrix Raman spectra of the molecular halogens: Resonance Raman spectra of isolated and aggregated I₂