{"id":{"repo_id":"vt","oai_identifier":"oai:vtechworks.lib.vt.edu:10919/118558"},"canonical_url":"https://search.dev.ndltd.org/etd/vt/oai:vtechworks.lib.vt.edu:10919/118558","repository":{"repo_id":"vt","name":"Virginia Tech","base_url":"https://vtechworks.lib.vt.edu/oai/request"},"display":{"title":"Nuclear quadrupole resonance of Na23 in NaBrO3","abstract":"The temperature and pressure dependences of the nuclear quadrupole coupling frequency of Na<sup>23</sup> in NaBrO<sub>3</sub> have been measured, The quadrupole frequency is found to range from 886 kHz. at 4.1 °K to 849 kHz. at 300 °K at atmospheric pressure. The pressure dependences were determined at 196, 273 and 298 °K. From the pressure dependences and the compressibility the frequency was found to vary with the volume about as V<sup>-2.5</sup> at all three temperatures. The rate of change in frequency with temperature at a constant volume, 1/<i>v</i>(∂<i>v</i>/∂T)<sub>V</sub>, was found to have a positive value and to decrease in magnitude with increasing temperature above 196 °K.","abstract_html":"The temperature and pressure dependences of the nuclear quadrupole coupling frequency of Na&lt;sup&gt;23&lt;/sup&gt; in NaBrO&lt;sub&gt;3&lt;/sub&gt; have been measured, The quadrupole frequency is found to range from 886 kHz. at 4.1 °K to 849 kHz. at 300 °K at atmospheric pressure. The pressure dependences were determined at 196, 273 and 298 °K. From the pressure dependences and the compressibility the frequency was found to vary with the volume about as V&lt;sup&gt;-2.5&lt;/sup&gt; at all three temperatures. The rate of change in frequency with temperature at a constant volume, 1/&lt;i&gt;v&lt;/i&gt;(∂&lt;i&gt;v&lt;/i&gt;/∂T)&lt;sub&gt;V&lt;/sub&gt;, was found to have a positive value and to decrease in magnitude with increasing temperature above 196 °K.","abstract_has_math":false,"creators":["Whidden, Charles J."],"institution":"Virginia Polytechnic Institute","degree_name":"Ph. D.","degree_level":"doctoral","degree_discipline":"Physics","degree_department":"Physics","school":null,"contributors":[],"advisors":[],"committee_chairs":[],"committee_members":[],"year":1968,"date_issued":"1968","date_published":"1968","updated_at":"2026-07-22T22:20:16Z","subjects":[],"languages":["en"],"rights":["In Copyright"],"rights_urls":["http://rightsstatements.org/vocab/InC/1.0/"],"identifier_entries":[]},"links":{"outbound_url":"https://hdl.handle.net/10919/118558","outbound_label":"Handle","outbound_source":"dc:identifier.uri"},"metadata_groups":[{"id":"people","label":"People","entries":[{"key":"dc:contributor.department","label":"Department","values":["Physics"]},{"key":"dc:creator","label":"Author","values":["Whidden, Charles J."]}]},{"id":"academic_context","label":"Academic Context","entries":[{"key":"dc:date.accessioned","label":"Dc Date Accessioned","values":["2024-04-11T19:09:06Z"]},{"key":"dc:date.available","label":"Dc Date Available","values":["2024-04-11T19:09:06Z"]},{"key":"dc:date.issued","label":"Date","values":["1968"]},{"key":"dc:publisher","label":"Institution","values":["Virginia Polytechnic Institute"]},{"key":"dc:type","label":"Dc Type","values":["Dissertation"]},{"key":"dc:type.dcmitype","label":"Dc Type Dcmitype","values":["Text"]},{"key":"thesis:degree_discipline","label":"Discipline","values":["Physics"]},{"key":"thesis:degree_level","label":"Degree Level","values":["doctoral"]},{"key":"thesis:degree_name","label":"Degree Name","values":["Ph. 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The pressure dependences were determined at 196, 273 and 298 °K. From the pressure dependences and the compressibility the frequency was found to vary with the volume about as V<sup>-2.5</sup> at all three temperatures. The rate of change in frequency with temperature at a constant volume, 1/<i>v</i>(∂<i>v</i>/∂T)<sub>V</sub>, was found to have a positive value and to decrease in magnitude with increasing temperature above 196 °K."]},{"key":"dc:description.degree","label":"Dc Description Degree","values":["Ph. D."]},{"key":"dc:format.mimetype","label":"Dc Format Mimetype","values":["application/pdf"]},{"key":"dc:title","label":"Title","values":["Nuclear quadrupole resonance of Na23 in NaBrO3"]}]}],"canonical_facts":{"dc:contributor.department":["Physics"],"dc:creator":["Whidden, Charles J."],"dc:date.accessioned":["2024-04-11T19:09:06Z"],"dc:date.available":["2024-04-11T19:09:06Z"],"dc:date.issued":["1968"],"dc:description.abstract":["The temperature and pressure dependences of the nuclear quadrupole coupling frequency of Na<sup>23</sup> in NaBrO<sub>3</sub> have been measured, The quadrupole frequency is found to range from 886 kHz. at 4.1 °K to 849 kHz. at 300 °K at atmospheric pressure. The pressure dependences were determined at 196, 273 and 298 °K. From the pressure dependences and the compressibility the frequency was found to vary with the volume about as V<sup>-2.5</sup> at all three temperatures. The rate of change in frequency with temperature at a constant volume, 1/<i>v</i>(∂<i>v</i>/∂T)<sub>V</sub>, was found to have a positive value and to decrease in magnitude with increasing temperature above 196 °K."],"dc:description.degree":["Ph. D."],"dc:format.mimetype":["application/pdf"],"dc:identifier.uri":["https://hdl.handle.net/10919/118558"],"dc:language.iso":["en"],"dc:publisher":["Virginia Polytechnic Institute"],"dc:rights":["In Copyright"],"dc:rights.uri":["http://rightsstatements.org/vocab/InC/1.0/"],"dc:title":["Nuclear quadrupole resonance of Na23 in NaBrO3"],"dc:type":["Dissertation"],"dc:type.dcmitype":["Text"],"thesis:degree_discipline":["Physics"],"thesis:degree_level":["doctoral"],"thesis:degree_name":["Ph. D."],"thesis:institution_name":["Virginia Polytechnic Institute"]},"updated_at":"2026-07-22T22:20:16Z"}