Photoelectron imaging spectroscopy of MoC(-) and NbN(-) diatomic anions: A comparative study
The isoeletronic diatomic MoC(-) and NbN(-) anions have been prepared by laser ablation and studied by photoelectron imaging spectroscopy combined with quantum chemistry calculations. The photoelectron spectra of NbN(-) can be very well assigned on the basis of literature reported optical spectrosco...
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| Veröffentlicht in: | The Journal of chemical physics 2015-04, Vol.142 (16), p.164301-164301 |
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| container_title | The Journal of chemical physics |
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| creator | Liu, Qing-Yu Hu, Lianrui Li, Zi-Yu Ning, Chuan-Gang Ma, Jia-Bi Chen, Hui He, Sheng-Gui |
| description | The isoeletronic diatomic MoC(-) and NbN(-) anions have been prepared by laser ablation and studied by photoelectron imaging spectroscopy combined with quantum chemistry calculations. The photoelectron spectra of NbN(-) can be very well assigned on the basis of literature reported optical spectroscopy of NbN. In contrast, the photoelectron spectra of MoC(-) are rather complex and the assignments suffered from the presence of many electronically hot bands and limited information from the reported optical spectroscopy of MoC. The electron affinities of NbN and MoC have been determined to be 1.450 ± 0.003 eV and 1.360 ± 0.003 eV, respectively. The good resolution of the imaging spectroscopy provided a chance to resolve the Ω splittings of the X(3)Σ(-) (Ω = 0 and 1) state of MoC and the X(4)Σ(-) (Ω = 1/2 and 3/2) state of MoC(-) for the first time. The spin-orbit splittings of the X(2)Δ state of NbN(-) and the a(2)Δ state of MoC(-) were also determined. The similarities and differences between the electronic structures of the NbN and MoC systems were discussed. |
| doi_str_mv | 10.1063/1.4918589 |
| format | Article |
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The photoelectron spectra of NbN(-) can be very well assigned on the basis of literature reported optical spectroscopy of NbN. In contrast, the photoelectron spectra of MoC(-) are rather complex and the assignments suffered from the presence of many electronically hot bands and limited information from the reported optical spectroscopy of MoC. The electron affinities of NbN and MoC have been determined to be 1.450 ± 0.003 eV and 1.360 ± 0.003 eV, respectively. The good resolution of the imaging spectroscopy provided a chance to resolve the Ω splittings of the X(3)Σ(-) (Ω = 0 and 1) state of MoC and the X(4)Σ(-) (Ω = 1/2 and 3/2) state of MoC(-) for the first time. The spin-orbit splittings of the X(2)Δ state of NbN(-) and the a(2)Δ state of MoC(-) were also determined. The similarities and differences between the electronic structures of the NbN and MoC systems were discussed.</description><identifier>ISSN: 0021-9606</identifier><identifier>EISSN: 1089-7690</identifier><identifier>DOI: 10.1063/1.4918589</identifier><identifier>PMID: 25933758</identifier><language>eng</language><publisher>United States: American Institute of Physics</publisher><subject>ABLATION ; AFFINITY ; ANIONS ; CHEMISTRY ; Comparative studies ; CONDENSED MATTER PHYSICS, SUPERCONDUCTIVITY AND SUPERFLUIDITY ; ELECTRONIC STRUCTURE ; EV RANGE ; Imaging ; Laser ablation ; MOLYBDENUM CARBIDES ; Niobium nitride ; NIOBIUM NITRIDES ; ORBITS ; Organic chemistry ; PHOTOELECTRON SPECTROSCOPY ; Physics ; Quantum chemistry ; RESOLUTION ; SPIN</subject><ispartof>The Journal of chemical physics, 2015-04, Vol.142 (16), p.164301-164301</ispartof><rights>2015 AIP Publishing LLC.</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c341t-b25cfd0e1d428ca0e93bd769132be0864de068b8cefbae1ad1dcc112564e8afd3</citedby><cites>FETCH-LOGICAL-c341t-b25cfd0e1d428ca0e93bd769132be0864de068b8cefbae1ad1dcc112564e8afd3</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><link.rule.ids>230,314,780,784,885,27924,27925</link.rule.ids><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/25933758$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink><backlink>$$Uhttps://www.osti.gov/biblio/22415705$$D View this record in Osti.gov$$Hfree_for_read</backlink></links><search><creatorcontrib>Liu, Qing-Yu</creatorcontrib><creatorcontrib>Hu, Lianrui</creatorcontrib><creatorcontrib>Li, Zi-Yu</creatorcontrib><creatorcontrib>Ning, Chuan-Gang</creatorcontrib><creatorcontrib>Ma, Jia-Bi</creatorcontrib><creatorcontrib>Chen, Hui</creatorcontrib><creatorcontrib>He, Sheng-Gui</creatorcontrib><title>Photoelectron imaging spectroscopy of MoC(-) and NbN(-) diatomic anions: A comparative study</title><title>The Journal of chemical physics</title><addtitle>J Chem Phys</addtitle><description>The isoeletronic diatomic MoC(-) and NbN(-) anions have been prepared by laser ablation and studied by photoelectron imaging spectroscopy combined with quantum chemistry calculations. The photoelectron spectra of NbN(-) can be very well assigned on the basis of literature reported optical spectroscopy of NbN. In contrast, the photoelectron spectra of MoC(-) are rather complex and the assignments suffered from the presence of many electronically hot bands and limited information from the reported optical spectroscopy of MoC. The electron affinities of NbN and MoC have been determined to be 1.450 ± 0.003 eV and 1.360 ± 0.003 eV, respectively. The good resolution of the imaging spectroscopy provided a chance to resolve the Ω splittings of the X(3)Σ(-) (Ω = 0 and 1) state of MoC and the X(4)Σ(-) (Ω = 1/2 and 3/2) state of MoC(-) for the first time. The spin-orbit splittings of the X(2)Δ state of NbN(-) and the a(2)Δ state of MoC(-) were also determined. The similarities and differences between the electronic structures of the NbN and MoC systems were discussed.</description><subject>ABLATION</subject><subject>AFFINITY</subject><subject>ANIONS</subject><subject>CHEMISTRY</subject><subject>Comparative studies</subject><subject>CONDENSED MATTER PHYSICS, SUPERCONDUCTIVITY AND SUPERFLUIDITY</subject><subject>ELECTRONIC STRUCTURE</subject><subject>EV RANGE</subject><subject>Imaging</subject><subject>Laser ablation</subject><subject>MOLYBDENUM CARBIDES</subject><subject>Niobium nitride</subject><subject>NIOBIUM NITRIDES</subject><subject>ORBITS</subject><subject>Organic chemistry</subject><subject>PHOTOELECTRON SPECTROSCOPY</subject><subject>Physics</subject><subject>Quantum chemistry</subject><subject>RESOLUTION</subject><subject>SPIN</subject><issn>0021-9606</issn><issn>1089-7690</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2015</creationdate><recordtype>article</recordtype><recordid>eNo9kUtLJDEUhcOgjO1jMX9gCLjRRWluUo-UO2l0ZkBbF7oTQiq5pZGuSllJCf3vTds9vbqXw8eBcw4hv4BdACvFJVzkNchC1j_IDJiss6qs2R6ZMcYhq0tWHpDDEN4ZY1Dx_Cc54EUtRFXIGXl5fPPR4xJNHH1PXadfXf9Kw_AtBOOHFfUtvffzs-yc6t7SRbNYv9bp6DtnkuZ8H67oNTW-G_Soo_tEGuJkV8dkv9XLgCfbe0Seb2-e5n-zu4c__-bXd5kROcSs4YVpLUOwOZdGM6xFY1MEELxBJsvcIitlIw22jUbQFqwxALwoc5S6teKInG58fYhOBeMimjfj-z6FUJznUFSsSNTZhhpG_zFhiKpzweByqXv0U1BQVpWUVZEa3Rnu0Hc_jX3KoDjwXPLUskjU-YYyqakwYquGMRU4rhQwtR5GgdoOk9jfW8ep6dDuyP9LiC8XN4Yi</recordid><startdate>20150428</startdate><enddate>20150428</enddate><creator>Liu, Qing-Yu</creator><creator>Hu, Lianrui</creator><creator>Li, Zi-Yu</creator><creator>Ning, Chuan-Gang</creator><creator>Ma, Jia-Bi</creator><creator>Chen, Hui</creator><creator>He, Sheng-Gui</creator><general>American Institute of Physics</general><scope>NPM</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>8FD</scope><scope>H8D</scope><scope>L7M</scope><scope>7X8</scope><scope>OTOTI</scope></search><sort><creationdate>20150428</creationdate><title>Photoelectron imaging spectroscopy of MoC(-) and NbN(-) diatomic anions: A comparative study</title><author>Liu, Qing-Yu ; Hu, Lianrui ; Li, Zi-Yu ; Ning, Chuan-Gang ; Ma, Jia-Bi ; Chen, Hui ; He, Sheng-Gui</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c341t-b25cfd0e1d428ca0e93bd769132be0864de068b8cefbae1ad1dcc112564e8afd3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2015</creationdate><topic>ABLATION</topic><topic>AFFINITY</topic><topic>ANIONS</topic><topic>CHEMISTRY</topic><topic>Comparative studies</topic><topic>CONDENSED MATTER PHYSICS, SUPERCONDUCTIVITY AND SUPERFLUIDITY</topic><topic>ELECTRONIC STRUCTURE</topic><topic>EV RANGE</topic><topic>Imaging</topic><topic>Laser ablation</topic><topic>MOLYBDENUM CARBIDES</topic><topic>Niobium nitride</topic><topic>NIOBIUM NITRIDES</topic><topic>ORBITS</topic><topic>Organic chemistry</topic><topic>PHOTOELECTRON SPECTROSCOPY</topic><topic>Physics</topic><topic>Quantum chemistry</topic><topic>RESOLUTION</topic><topic>SPIN</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Liu, Qing-Yu</creatorcontrib><creatorcontrib>Hu, Lianrui</creatorcontrib><creatorcontrib>Li, Zi-Yu</creatorcontrib><creatorcontrib>Ning, Chuan-Gang</creatorcontrib><creatorcontrib>Ma, Jia-Bi</creatorcontrib><creatorcontrib>Chen, Hui</creatorcontrib><creatorcontrib>He, Sheng-Gui</creatorcontrib><collection>PubMed</collection><collection>CrossRef</collection><collection>Technology Research Database</collection><collection>Aerospace Database</collection><collection>Advanced Technologies Database with Aerospace</collection><collection>MEDLINE - Academic</collection><collection>OSTI.GOV</collection><jtitle>The Journal of chemical physics</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Liu, Qing-Yu</au><au>Hu, Lianrui</au><au>Li, Zi-Yu</au><au>Ning, Chuan-Gang</au><au>Ma, Jia-Bi</au><au>Chen, Hui</au><au>He, Sheng-Gui</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Photoelectron imaging spectroscopy of MoC(-) and NbN(-) diatomic anions: A comparative study</atitle><jtitle>The Journal of chemical physics</jtitle><addtitle>J Chem Phys</addtitle><date>2015-04-28</date><risdate>2015</risdate><volume>142</volume><issue>16</issue><spage>164301</spage><epage>164301</epage><pages>164301-164301</pages><issn>0021-9606</issn><eissn>1089-7690</eissn><abstract>The isoeletronic diatomic MoC(-) and NbN(-) anions have been prepared by laser ablation and studied by photoelectron imaging spectroscopy combined with quantum chemistry calculations. The photoelectron spectra of NbN(-) can be very well assigned on the basis of literature reported optical spectroscopy of NbN. In contrast, the photoelectron spectra of MoC(-) are rather complex and the assignments suffered from the presence of many electronically hot bands and limited information from the reported optical spectroscopy of MoC. The electron affinities of NbN and MoC have been determined to be 1.450 ± 0.003 eV and 1.360 ± 0.003 eV, respectively. The good resolution of the imaging spectroscopy provided a chance to resolve the Ω splittings of the X(3)Σ(-) (Ω = 0 and 1) state of MoC and the X(4)Σ(-) (Ω = 1/2 and 3/2) state of MoC(-) for the first time. The spin-orbit splittings of the X(2)Δ state of NbN(-) and the a(2)Δ state of MoC(-) were also determined. The similarities and differences between the electronic structures of the NbN and MoC systems were discussed.</abstract><cop>United States</cop><pub>American Institute of Physics</pub><pmid>25933758</pmid><doi>10.1063/1.4918589</doi><tpages>1</tpages></addata></record> |
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| subjects | ABLATION AFFINITY ANIONS CHEMISTRY Comparative studies CONDENSED MATTER PHYSICS, SUPERCONDUCTIVITY AND SUPERFLUIDITY ELECTRONIC STRUCTURE EV RANGE Imaging Laser ablation MOLYBDENUM CARBIDES Niobium nitride NIOBIUM NITRIDES ORBITS Organic chemistry PHOTOELECTRON SPECTROSCOPY Physics Quantum chemistry RESOLUTION SPIN |
| title | Photoelectron imaging spectroscopy of MoC(-) and NbN(-) diatomic anions: A comparative study |
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