Ultraviolet absorption of thin quartz layers heated to the boiling point

Podmoshenskii, I. V.; Polozova, L. P.; Chirkov, V. N.; Yakovleva, A. V.

doi:10.1007/bf00659228

Cited by 3 publications

(4 citation statements)

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“…In comparison, the calculated abundances for our BSE atmosphere are >10 15 cm −2 at temperatures above 2000 K. The destruction of SiO in the atmosphere may be initiated by absorption of UV light shortward of 300 nm (Podmoshenskii et al 1968;Vorypaev 1981;Matveev 1986) …”

Section: Chemistry Of Silicon Monoxide Gasmentioning

confidence: 66%

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Chemistry of Silicate Atmospheres of Evaporating Super-Earths

Schaefer

Fegley

2009

ApJ

207

235

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We model the formation of silicate atmospheres on hot volatile-free super-Earths. Our calculations assume that all volatile elements such as H, C, N, S, and Cl have been lost from the planet. We find that the atmospheres are composed primarily of Na, O 2 , O, and SiO gas, in order of decreasing abundance. The atmospheric composition may be altered by fractional vaporization, cloud condensation, photoionization, and reaction with any residual volatile elements remaining in the atmosphere. Cloud condensation reduces the abundance of all elements in the atmosphere except Na and K. We speculate that large Na and K clouds such as those observed around Mercury and Io may surround hot super-Earths. These clouds would occult much larger fractions of the parent star than a closely bound atmosphere, and may be observable through currently available methods.

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Section: Chemistry Of Silicon Monoxide Gasmentioning

confidence: 66%

“…The destruction of SiO in the atmosphere may be initiated by absorption of UV light shortward of 300 nm (Podmoshenskii et al 1968, Vorypaev 1981, Matveev 1986)…”

Section: Chemistry Of Silicon Monoxide Gasmentioning

confidence: 99%

Chemistry of Silicate Atmospheres of Evaporating Super-Earths

Schaefer

Fegley

2009

ApJ

207

235

View full text Add to dashboard Cite

show abstract

“…Once the vent stops erupting and lava solidifies, the SiO abundance is no longer regulated by the presence of the coexisting lava. The destruction of SiO in a volcanic gas plume or vapor cloud is plausibly initiated by absorption of UV light shortward of 300 nm (Podmoshenskii et al, 1968;Vorypaev, 1981;Matveev, 1986) …”

Section: Chemistry Of Silicon Monoxide Gasmentioning

confidence: 99%

A thermodynamic model of high temperature lava vaporization on Io

Schaefer

Fegley

2004

Icarus

140

121

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“…and the opacity of BSE vapor may be lower. Silicon monoxide absorbs light shortward of 300 nm (Podmoshenskii et al 1968, Vorypaev 1981, Matveev 1986 SiO + hν → Si + O λ < 300 nm (26)…”

Section: Earth's Silicate Vapor Atmospherementioning

confidence: 99%