Thermoelectric materials have potential properties for utilizing waste heat. The computations are used to estimate the electronic structure of CoRhYSi (Y = Cr, Mn) Quaternary Heusler alloys, as well as their elastic and magnetic characteristics. The full-potential linearized augmented plane wave is used in the calculations. The exchange-correlations are addressed using Perdew–Burke and Ernzerhof's generalized gradient approximation (GGA-PBE). With the exception of CoRhCrSi and CoRhMnSi, which are simple ferromagnets that are approximately half metallic in nature, electronic structure calculations demonstrate that these compounds have a gap in the minority states band and are obviously half-metallic ferromagnets. The magnetic moments of the CoRhCrSi and CoRhMnSi compounds match relatively well with the Slater-Pauling rule, indicating half metallicity and high spin polarization for these compounds. The semi-classical Boltzmann theory was used to compute the Seebeck coefficient (S), electrical conductivity (σ), and electronic thermal conductivity (k_e) of CoRhYSi (Y = Cr, Mn) alloys, whereas Slack's equation was used to get the lattice thermal conductivity (k_L).
","abstract_html":"<p>Thermoelectric materials have potential properties for utilizing waste heat. The computations are used to estimate the electronic structure of CoRhYSi (Y = Cr, Mn) Quaternary Heusler alloys, as well as their elastic and magnetic characteristics. The full-potential linearized augmented plane wave is used in the calculations. The exchange-correlations are addressed using Perdew–Burke and Ernzerhof's generalized gradient approximation (GGA-PBE). With the exception of CoRhCrSi and CoRhMnSi, which are simple ferromagnets that are approximately half metallic in nature, electronic structure calculations demonstrate that these compounds have a gap in the minority states band and are obviously half-metallic ferromagnets. The magnetic moments of the CoRhCrSi and CoRhMnSi compounds match relatively well with the Slater-Pauling rule, indicating half metallicity and high spin polarization for these compounds. The semi-classical Boltzmann theory was used to compute the Seebeck coefficient (S), electrical conductivity (σ), and electronic thermal conductivity (k_e) of CoRhYSi (Y = Cr, Mn) alloys, whereas Slack's equation was used to get the lattice thermal conductivity (k_L).</p>","abstract_has_math":false,"creators":["Hzzazi, Abdullah Hussain"],"institution":null,"degree_name":"Master of Science in Physics (MS)","degree_level":"Thesis","degree_discipline":null,"degree_department":null,"school":null,"contributors":["Nakamura, Hiro","Kumar, Pradeep"],"advisors":["Manasreh, Bothina H."],"committee_chairs":[],"committee_members":[],"year":2021,"date_issued":"2021-12-01T08:00:00Z","date_published":"2021-12-01T08:00:00Z","updated_at":"2026-07-24T00:59:01Z","subjects":["waste heat","energy consumption","sustainability","semiconductors","spintronic","Condensed Matter Physics","Engineering Physics"],"languages":[],"rights":[],"rights_urls":[],"identifier_entries":[]},"links":{"outbound_url":"https://scholarworks.uark.edu/etd/4266","outbound_label":"Repository record","outbound_source":"dc:identifier"},"metadata_groups":[{"id":"people","label":"People","entries":[{"key":"dc:contributor","label":"Contributor","values":["Nakamura, Hiro","Kumar, Pradeep"]},{"key":"dc:contributor.advisor","label":"Advisor","values":["Manasreh, Bothina H."]},{"key":"dc:creator","label":"Author","values":["Hzzazi, Abdullah Hussain"]}]},{"id":"academic_context","label":"Academic Context","entries":[{"key":"dc:date","label":"Dc Date","values":["2021"]},{"key":"dc:date.available","label":"Dc Date Available","values":["2022-03-07T08:00:00Z"]},{"key":"thesis:degree_level","label":"Degree Level","values":["Thesis"]},{"key":"thesis:degree_name","label":"Degree Name","values":["Master of Science in Physics (MS)"]}]},{"id":"subjects_keywords","label":"Subjects and Keywords","entries":[{"key":"dc:subject","label":"Dc Subject","values":["waste heat","energy consumption","sustainability","semiconductors","spintronic","Condensed Matter Physics","Engineering Physics"]}]},{"id":"identifiers","label":"Identifiers","entries":[{"key":"dc:identifier","label":"Identifier","values":["https://scholarworks.uark.edu/etd/4266"]}]},{"id":"additional","label":"Additional Metadata","entries":[{"key":"dc:description.abstract","label":"Abstract","values":["Thermoelectric materials have potential properties for utilizing waste heat. The computations are used to estimate the electronic structure of CoRhYSi (Y = Cr, Mn) Quaternary Heusler alloys, as well as their elastic and magnetic characteristics. The full-potential linearized augmented plane wave is used in the calculations. The exchange-correlations are addressed using Perdew–Burke and Ernzerhof's generalized gradient approximation (GGA-PBE). With the exception of CoRhCrSi and CoRhMnSi, which are simple ferromagnets that are approximately half metallic in nature, electronic structure calculations demonstrate that these compounds have a gap in the minority states band and are obviously half-metallic ferromagnets. The magnetic moments of the CoRhCrSi and CoRhMnSi compounds match relatively well with the Slater-Pauling rule, indicating half metallicity and high spin polarization for these compounds. The semi-classical Boltzmann theory was used to compute the Seebeck coefficient (S), electrical conductivity (σ), and electronic thermal conductivity (k_e) of CoRhYSi (Y = Cr, Mn) alloys, whereas Slack's equation was used to get the lattice thermal conductivity (k_L).
"]},{"key":"dc:title","label":"Title","values":["Theoretical Investigations of the Structural, Dynamical, Electronic, Magnetic, and Thermoelectric Properties of CoRhYSi (Y = Cr, Mn) Quaternary Heusler Alloys"]}]}],"canonical_facts":{"dc:contributor":["Nakamura, Hiro","Kumar, Pradeep"],"dc:contributor.advisor":["Manasreh, Bothina H."],"dc:creator":["Hzzazi, Abdullah Hussain"],"dc:date":["2021"],"dc:date.available":["2022-03-07T08:00:00Z"],"dc:description.abstract":["Thermoelectric materials have potential properties for utilizing waste heat. The computations are used to estimate the electronic structure of CoRhYSi (Y = Cr, Mn) Quaternary Heusler alloys, as well as their elastic and magnetic characteristics. The full-potential linearized augmented plane wave is used in the calculations. The exchange-correlations are addressed using Perdew–Burke and Ernzerhof's generalized gradient approximation (GGA-PBE). With the exception of CoRhCrSi and CoRhMnSi, which are simple ferromagnets that are approximately half metallic in nature, electronic structure calculations demonstrate that these compounds have a gap in the minority states band and are obviously half-metallic ferromagnets. The magnetic moments of the CoRhCrSi and CoRhMnSi compounds match relatively well with the Slater-Pauling rule, indicating half metallicity and high spin polarization for these compounds. The semi-classical Boltzmann theory was used to compute the Seebeck coefficient (S), electrical conductivity (σ), and electronic thermal conductivity (k_e) of CoRhYSi (Y = Cr, Mn) alloys, whereas Slack's equation was used to get the lattice thermal conductivity (k_L).
"],"dc:identifier":["https://scholarworks.uark.edu/etd/4266"],"dc:subject":["waste heat","energy consumption","sustainability","semiconductors","spintronic","Condensed Matter Physics","Engineering Physics"],"dc:title":["Theoretical Investigations of the Structural, Dynamical, Electronic, Magnetic, and Thermoelectric Properties of CoRhYSi (Y = Cr, Mn) Quaternary Heusler Alloys"],"thesis:degree_level":["Thesis"],"thesis:degree_name":["Master of Science in Physics (MS)"]},"updated_at":"2026-07-24T00:59:01Z"}