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Cryogenic Studies of Upper Atmosphere: Chemical Species and Reactions- [electronic resource]
Cryogenic Studies of Upper Atmosphere: Chemical Species and Reactions- [electronic resource]
- 자료유형
- 학위논문
- Control Number
- 0016931520
- International Standard Book Number
- 9798379783969
- Dewey Decimal Classification Number
- 541
- Main Entry-Personal Name
- Lachowicz, Anton Luke.
- Publication, Distribution, etc. (Imprint
- [S.l.] : Yale University., 2023
- Publication, Distribution, etc. (Imprint
- Ann Arbor : ProQuest Dissertations & Theses, 2023
- Physical Description
- 1 online resource(100 p.)
- General Note
- Source: Dissertations Abstracts International, Volume: 85-01, Section: B.
- General Note
- Advisor: Johnson, Mark Albert.
- Dissertation Note
- Thesis (Ph.D.)--Yale University, 2023.
- Restrictions on Access Note
- This item must not be sold to any third party vendors.
- Summary, Etc.
- 요약The atmosphere provides a different medium than Earth's surface, with a different background of radiation as well as far from standard pressure and temperature. It can be home to unique chemical reactions. Measuring the fundamental properties of these systems is required to understand the macroscopic effects observed in the atmosphere. To obtain these measurements, gas-phase techniques such as cryogenicion spectroscopy and selected-ion, flow-tube experiments have been employed. Solution-phase and bulk gas-phase measurements suffer from difficulty isolating unique species and keeping them in uniform environments. On the other hand, cryogenic-ion spectroscopy benefits from a more uniform environment. The cryogenic temperatures (~10 - 50 K) limit the total number of states in play, which increases the precision of measurements. Selected-ion flow-tube experiments provide one of the best ways to explore the kinetic interactions of a chemical species. Together, cryogenic ion spectroscopy and selected ion flow-tube experiments provide a nearly complete picture of species' chemical interactions that can explain macroscopic phenomena. These methods were employed to determine the of the Sm + O → SmO+ + e- chemi-ionization reaction, as well as other oxygen and ozone reactions with samarium and neodymium. Ultimately, the bond dissociation energy of SmO+ was measured to be 5.596 ± 0.004 eV. This allowed for the most precise to date calculation of the thermicity of the chemiionization reaction at 0.048 ± 0.004 eV endothermic.
- Subject Added Entry-Topical Term
- Physical chemistry.
- Subject Added Entry-Topical Term
- Analytical chemistry.
- Subject Added Entry-Topical Term
- Atmospheric sciences.
- Index Term-Uncontrolled
- Cryogenic Ion spectroscopy
- Index Term-Uncontrolled
- Gas-phase techniques
- Index Term-Uncontrolled
- Kinetic interactions
- Index Term-Uncontrolled
- Macroscopic phenomena
- Index Term-Uncontrolled
- Standard pressure
- Added Entry-Corporate Name
- Yale University Chemistry
- Host Item Entry
- Dissertations Abstracts International. 85-01B.
- Host Item Entry
- Dissertation Abstract International
- Electronic Location and Access
- 로그인을 한후 보실 수 있는 자료입니다.
- Control Number
- joongbu:643824