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The scaling law of cluster sizes revisited: Clusters formed via coexpansion of a molecular and a rare gas species.

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Title: The scaling law of cluster sizes revisited: Clusters formed via coexpansion of a molecular and a rare gas species.
Authors: Yao, Yuzhong1 (AUTHOR), Zhang, Jie1 (AUTHOR), Freund, William M.1 (AUTHOR), Tran, Steven1 (AUTHOR), Kong, Wei1 (AUTHOR) wei.kong@oregonstate.edu
Source: Chemical Physics Letters. Feb2023, Vol. 813, pN.PAG-N.PAG. 1p.
Subjects: Noble gases, Endangered species, Molecular clusters, Atomic clusters, Microchannel plates
Abstract: [Display omitted] • This work presents a facile method of cluster size characterization of neat atomic Ar clusters, neat molecular 1, 3, 5‑trichlorobenzene clusters, and core (1, 3, 5-trichlorobenzene) – shell (Ar) clusters. • The experimental results are in qualitative agreement with the semi-empirical scaling law, but effects of the stagnation temperature and pressure on the cluster size are quantitatively different from those predicted by the scaling law. • Our method measures the size of the core and the total size of the cluster, therefore offers information on the thickness of the shell of the core–shell cluster. We report experimental measurements of cluster sizes formed from supersonic expansion of two different species based on the time-of-flight principle. Argon clusters containing aromatic molecules are ionized at 266 nm at a low laser intensity. A high voltage is used to accelerate the heavy cluster ions thereby increasing the sensitivity of a microchannel plate detector. Our measurements of argon clusters, neat molecular clusters, and molecular-Ar clusters, are all in qualitative agreement with results predicted from the scaling law, but the fitting exponents for the dependence of cluster sizes on both the stagnation pressure and temperature are different. [ABSTRACT FROM AUTHOR]
Copyright of Chemical Physics Letters is the property of Elsevier B.V. and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)
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DbLabel: Engineering Source
An: 161599874
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  Data: The scaling law of cluster sizes revisited: Clusters formed via coexpansion of a molecular and a rare gas species.
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  Data: <searchLink fieldCode="AR" term="%22Yao%2C+Yuzhong%22">Yao, Yuzhong</searchLink><relatesTo>1</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Zhang%2C+Jie%22">Zhang, Jie</searchLink><relatesTo>1</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Freund%2C+William+M%2E%22">Freund, William M.</searchLink><relatesTo>1</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Tran%2C+Steven%22">Tran, Steven</searchLink><relatesTo>1</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Kong%2C+Wei%22">Kong, Wei</searchLink><relatesTo>1</relatesTo> (AUTHOR)<i> wei.kong@oregonstate.edu</i>
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  Data: <searchLink fieldCode="JN" term="%22Chemical+Physics+Letters%22">Chemical Physics Letters</searchLink>. Feb2023, Vol. 813, pN.PAG-N.PAG. 1p.
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  Data: <searchLink fieldCode="DE" term="%22Noble+gases%22">Noble gases</searchLink><br /><searchLink fieldCode="DE" term="%22Endangered+species%22">Endangered species</searchLink><br /><searchLink fieldCode="DE" term="%22Molecular+clusters%22">Molecular clusters</searchLink><br /><searchLink fieldCode="DE" term="%22Atomic+clusters%22">Atomic clusters</searchLink><br /><searchLink fieldCode="DE" term="%22Microchannel+plates%22">Microchannel plates</searchLink>
– Name: Abstract
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  Data: [Display omitted] • This work presents a facile method of cluster size characterization of neat atomic Ar clusters, neat molecular 1, 3, 5‑trichlorobenzene clusters, and core (1, 3, 5-trichlorobenzene) – shell (Ar) clusters. • The experimental results are in qualitative agreement with the semi-empirical scaling law, but effects of the stagnation temperature and pressure on the cluster size are quantitatively different from those predicted by the scaling law. • Our method measures the size of the core and the total size of the cluster, therefore offers information on the thickness of the shell of the core–shell cluster. We report experimental measurements of cluster sizes formed from supersonic expansion of two different species based on the time-of-flight principle. Argon clusters containing aromatic molecules are ionized at 266 nm at a low laser intensity. A high voltage is used to accelerate the heavy cluster ions thereby increasing the sensitivity of a microchannel plate detector. Our measurements of argon clusters, neat molecular clusters, and molecular-Ar clusters, are all in qualitative agreement with results predicted from the scaling law, but the fitting exponents for the dependence of cluster sizes on both the stagnation pressure and temperature are different. [ABSTRACT FROM AUTHOR]
– Name: AbstractSuppliedCopyright
  Label:
  Group: Ab
  Data: <i>Copyright of Chemical Physics Letters is the property of Elsevier B.V. and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract.</i> (Copyright applies to all Abstracts.)
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      – Type: doi
        Value: 10.1016/j.cplett.2023.140312
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      – Code: eng
        Text: English
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        PageCount: 1
        StartPage: N.PAG
    Subjects:
      – SubjectFull: Noble gases
        Type: general
      – SubjectFull: Endangered species
        Type: general
      – SubjectFull: Molecular clusters
        Type: general
      – SubjectFull: Atomic clusters
        Type: general
      – SubjectFull: Microchannel plates
        Type: general
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      – TitleFull: The scaling law of cluster sizes revisited: Clusters formed via coexpansion of a molecular and a rare gas species.
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            NameFull: Yao, Yuzhong
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            NameFull: Zhang, Jie
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            NameFull: Freund, William M.
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            NameFull: Tran, Steven
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            NameFull: Kong, Wei
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              Text: Feb2023
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              Y: 2023
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              Value: 813
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