{"id":{"repo_id":"uiuc","oai_identifier":"oai:www.ideals.illinois.edu:2142/29855"},"canonical_url":"https://search.dev.ndltd.org/etd/uiuc/oai:www.ideals.illinois.edu:2142/29855","repository":{"repo_id":"uiuc","name":"University of Illinois - Urbana-Champaign","base_url":"https://www.ideals.illinois.edu/oai-pmh"},"display":{"title":"X-ray Debye temperatures of solid neon","abstract":"Measurements of integrated intensities of x-ray Bragg reflections have been made as a function of temperature on large grains of two solid neon specimens. These data have been interpreted in terms of two Debye characteristic temperatures, ~I by the ,method suggested by Nicklow and Young, and eM by the method due to Chipman. The specimens were prepared and maintained in a specially designed rigidtail liquid helium cryostat, and the measurements were made with a unique four-circle x-ray diffractometer designed for use with this cryostat. The results show good qualitative agreement with Debye temperatures obtained from neutron phonon dispersion measurements, and are in general agreement with other thermodynamic data on solid neon. However, the values of eM and eM' obtained in this work do not agree with published quasiharmonic or anharmonic theories, especially at high temperatures, which suggests that these theories are not adequate for neon. Results are not presently available for eM and 8M, from the improved self consistent phonon theory which has been highly successful in predicting other properties of the noble gas crystals. The experimental values of 9D(-2)","abstract_html":"Measurements of integrated intensities of x-ray Bragg reflections have been made as a function of temperature on large grains of two solid neon specimens. These data have been interpreted in terms of two Debye characteristic temperatures, ~I by the ,method suggested by Nicklow and Young, and eM by the method due to Chipman. The specimens were prepared and maintained in a specially designed rigidtail liquid helium cryostat, and the measurements were made with a unique four-circle x-ray diffractometer designed for use with this cryostat. The results show good qualitative agreement with Debye temperatures obtained from neutron phonon dispersion measurements, and are in general agreement with other thermodynamic data on solid neon. However, the values of eM and eM' obtained in this work do not agree with published quasiharmonic or anharmonic theories, especially at high temperatures, which suggests that these theories are not adequate for neon. Results are not presently available for eM and 8M, from the improved self consistent phonon theory which has been highly successful in predicting other properties of the noble gas crystals. The experimental values of 9D(-2)","abstract_has_math":false,"creators":["Kabat, Frederick Neil"],"institution":null,"degree_name":"Ph.D.","degree_level":"Dissertation","degree_discipline":"Physics","degree_department":null,"school":null,"contributors":["Simmons, R.O."],"advisors":[],"committee_chairs":[],"committee_members":[],"year":2012,"date_issued":"2012-02-13T19:52:39Z","date_published":"2012-02-13T19:52:39Z","updated_at":"2026-07-22T22:25:29Z","subjects":["x-ray","debye","neon"],"languages":["en"],"rights":["©1971 Frederick Neil Kabat"],"rights_urls":[],"identifier_entries":[{"key":"dc:identifier","label":"Identifier","values":["6009120"],"render_values":[{"text":"6009120","href":null,"code":true}]}]},"links":{"outbound_url":"http://hdl.handle.net/2142/29855","outbound_label":"Handle","outbound_source":"dc:identifier"},"metadata_groups":[{"id":"people","label":"People","entries":[{"key":"dc:contributor","label":"Contributor","values":["Simmons, R.O."]},{"key":"dc:creator","label":"Author","values":["Kabat, Frederick Neil"]}]},{"id":"academic_context","label":"Academic Context","entries":[{"key":"dc:date","label":"Dc Date","values":["2012-02-13T19:52:39Z","10000-01-01","1971-06"]},{"key":"dc:type","label":"Dc Type","values":["Dissertation / Thesis","text"]},{"key":"thesis:degree_discipline","label":"Discipline","values":["Physics"]},{"key":"thesis:degree_level","label":"Degree Level","values":["Dissertation"]},{"key":"thesis:degree_name","label":"Degree Name","values":["Ph.D."]}]},{"id":"subjects_keywords","label":"Subjects and Keywords","entries":[{"key":"dc:subject","label":"Dc Subject","values":["x-ray","debye","neon"]}]},{"id":"language_rights","label":"Language and Rights","entries":[{"key":"dc:language","label":"Dc Language","values":["en"]},{"key":"dc:rights","label":"Dc Rights","values":["©1971 Frederick Neil Kabat"]}]},{"id":"identifiers","label":"Identifiers","entries":[{"key":"dc:identifier","label":"Identifier","values":["http://hdl.handle.net/2142/29855","6009120"]}]},{"id":"additional","label":"Additional Metadata","entries":[{"key":"dc:description","label":"Description","values":["Measurements of integrated intensities of x-ray Bragg reflections have been made as a function of temperature on large grains of two solid neon specimens. These data have been interpreted in terms of two Debye characteristic temperatures, ~I by the ,method suggested by Nicklow and Young, and eM by the method due to Chipman. The specimens were prepared and maintained in a specially designed rigidtail liquid helium cryostat, and the measurements were made with a unique four-circle x-ray diffractometer designed for use with this cryostat. The results show good qualitative agreement with Debye temperatures obtained from neutron phonon dispersion measurements, and are in general agreement with other thermodynamic data on solid neon. However, the values of eM and eM' obtained in this work do not agree with published quasiharmonic or anharmonic theories, especially at high temperatures, which suggests that these theories are not adequate for neon. Results are not presently available for eM and 8M, from the improved self consistent phonon theory which has been highly successful in predicting other properties of the noble gas crystals. The experimental values of 9D(-2)","Submitted by William Weathers (weathrs2@illinois.edu) on 2012-02-13T19:52:39Z No. of bitstreams: 1 1971_kabat.pdf: 4530013 bytes, checksum: 9c48477e1d97d3fbb9d9d8ef0018e29d (MD5)","Made available in DSpace on 2012-02-13T19:52:39Z (GMT). No. of bitstreams: 1 1971_kabat.pdf: 4530013 bytes, checksum: 9c48477e1d97d3fbb9d9d8ef0018e29d (MD5) Previous issue date: 1971-06","Restriction data tranferred 2014-07-01T11:10:04-05:00 Original Data Group with Access UIUC Users [automated] Release Date: none Reason: thesis","Item marked as restricted to the 'UIUC Users [automated]' Group (id=2) by William Weathers (weathrs2@illinois.edu) on 2012-02-13T19:52:39Z Item is restricted indefinitely.","thesis","U of I Only"]},{"key":"dc:title","label":"Title","values":["X-ray Debye temperatures of solid neon"]}]}],"canonical_facts":{"dc:contributor":["Simmons, R.O."],"dc:creator":["Kabat, Frederick Neil"],"dc:date":["2012-02-13T19:52:39Z","10000-01-01","1971-06"],"dc:description":["Measurements of integrated intensities of x-ray Bragg reflections have been made as a function of temperature on large grains of two solid neon specimens. These data have been interpreted in terms of two Debye characteristic temperatures, ~I by the ,method suggested by Nicklow and Young, and eM by the method due to Chipman. The specimens were prepared and maintained in a specially designed rigidtail liquid helium cryostat, and the measurements were made with a unique four-circle x-ray diffractometer designed for use with this cryostat. The results show good qualitative agreement with Debye temperatures obtained from neutron phonon dispersion measurements, and are in general agreement with other thermodynamic data on solid neon. However, the values of eM and eM' obtained in this work do not agree with published quasiharmonic or anharmonic theories, especially at high temperatures, which suggests that these theories are not adequate for neon. Results are not presently available for eM and 8M, from the improved self consistent phonon theory which has been highly successful in predicting other properties of the noble gas crystals. The experimental values of 9D(-2)","Submitted by William Weathers (weathrs2@illinois.edu) on 2012-02-13T19:52:39Z No. of bitstreams: 1 1971_kabat.pdf: 4530013 bytes, checksum: 9c48477e1d97d3fbb9d9d8ef0018e29d (MD5)","Made available in DSpace on 2012-02-13T19:52:39Z (GMT). No. of bitstreams: 1 1971_kabat.pdf: 4530013 bytes, checksum: 9c48477e1d97d3fbb9d9d8ef0018e29d (MD5) Previous issue date: 1971-06","Restriction data tranferred 2014-07-01T11:10:04-05:00 Original Data Group with Access UIUC Users [automated] Release Date: none Reason: thesis","Item marked as restricted to the 'UIUC Users [automated]' Group (id=2) by William Weathers (weathrs2@illinois.edu) on 2012-02-13T19:52:39Z Item is restricted indefinitely.","thesis","U of I Only"],"dc:identifier":["http://hdl.handle.net/2142/29855","6009120"],"dc:language":["en"],"dc:rights":["©1971 Frederick Neil Kabat"],"dc:subject":["x-ray","debye","neon"],"dc:title":["X-ray Debye temperatures of solid neon"],"dc:type":["Dissertation / Thesis","text"],"thesis:degree_discipline":["Physics"],"thesis:degree_level":["Dissertation"],"thesis:degree_name":["Ph.D."]},"updated_at":"2026-07-22T22:25:29Z"}