{"id":{"repo_id":"brock","oai_identifier":"oai:brocku.scholaris.ca:10464/2760"},"canonical_url":"https://search.dev.ndltd.org/etd/brock/oai:brocku.scholaris.ca:10464/2760","repository":{"repo_id":"brock","name":"Brock University","base_url":"https://brocku.scholaris.ca/server/oai/request"},"display":{"title":"Pressure dependence of superconductivity in amorphous Ni x Zr 100-x alloys","abstract":"Pressure variations of the superconducting transition temperature Ic of a series of amorphous NixZr 1 OO-x alloys have been studied under quasmydrostatic pressures upto 8 G Pa. For amorphous samples having Ni-concentration less than 40%, i)Tc/dP is positive in sign and it decreases non linearly with increase in I. whereasdTcldP is negative in sign for Ni concentration of 45%. Comparison with the Hall coefficient (I) and the thermoelectric power (2) results for the same amorphous alloys leads to the conclusion that s-d hybridization nature of the d-band (Nil plays a central role in the sign reversal behaviour. Application of pressures greater than 2 G Pa to Ni20ZrgO led to the formation of a new phase, w-Zr. which retains its form after the pressure is released.","abstract_html":"Pressure variations of the superconducting transition temperature Ic of a series of amorphous NixZr 1 OO-x alloys have been studied under quasmydrostatic pressures upto 8 G Pa. For amorphous samples having Ni-concentration less than 40%, i)Tc/dP is positive in sign and it decreases non linearly with increase in I. whereasdTcldP is negative in sign for Ni concentration of 45%. Comparison with the Hall coefficient (I) and the thermoelectric power (2) results for the same amorphous alloys leads to the conclusion that s-d hybridization nature of the d-band (Nil plays a central role in the sign reversal behaviour. Application of pressures greater than 2 G Pa to Ni20ZrgO led to the formation of a new phase, w-Zr. which retains its form after the pressure is released.","abstract_has_math":false,"creators":["Mahini Abyaneh, Fariba."],"institution":"Brock University","degree_name":"M.Sc. Physics","degree_level":"Masters","degree_discipline":"Faculty of Mathematics and Science","degree_department":"Department of Physics","school":null,"contributors":[],"advisors":[],"committee_chairs":[],"committee_members":[],"year":1988,"date_issued":"1988-10-02T13:20:15Z","date_published":"1988-10-02T13:20:15Z","updated_at":"2026-07-24T01:23:09Z","subjects":["Superconductivity.","Amorphous substances.","Alloys--Analysis.","Pressure--Measurement."],"languages":["eng"],"rights":[],"rights_urls":[],"identifier_entries":[]},"links":{"outbound_url":"http://hdl.handle.net/10464/2760","outbound_label":"Handle","outbound_source":"dc:identifier.uri"},"metadata_groups":[{"id":"people","label":"People","entries":[{"key":"dc:contributor.department","label":"Department","values":["Department of Physics"]},{"key":"dc:creator","label":"Author","values":["Mahini Abyaneh, Fariba."]}]},{"id":"academic_context","label":"Academic Context","entries":[{"key":"dc:date.accessioned","label":"Dc Date Accessioned","values":["2009-10-02T13:20:15Z"]},{"key":"dc:date.available","label":"Dc Date Available","values":["2009-10-02T13:20:15Z"]},{"key":"dc:date.issued","label":"Date","values":["1988-10-02T13:20:15Z"]},{"key":"dc:type","label":"Dc Type","values":["Electronic Thesis or Dissertation"]},{"key":"thesis:degree_discipline","label":"Discipline","values":["Faculty of Mathematics and Science"]},{"key":"thesis:degree_level","label":"Degree Level","values":["Masters"]},{"key":"thesis:degree_name","label":"Degree Name","values":["M.Sc. 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For amorphous samples having Ni-concentration less than 40%, i)Tc/dP is positive in sign and it decreases non linearly with increase in I. whereasdTcldP is negative in sign for Ni concentration of 45%. Comparison with the Hall coefficient (I) and the thermoelectric power (2) results for the same amorphous alloys leads to the conclusion that s-d hybridization nature of the d-band (Nil plays a central role in the sign reversal behaviour. Application of pressures greater than 2 G Pa to Ni20ZrgO led to the formation of a new phase, w-Zr. which retains its form after the pressure is released."]},{"key":"dc:title","label":"Title","values":["Pressure dependence of superconductivity in amorphous Ni x Zr 100-x alloys"]}]}],"canonical_facts":{"dc:contributor.department":["Department of Physics"],"dc:creator":["Mahini Abyaneh, Fariba."],"dc:date.accessioned":["2009-10-02T13:20:15Z"],"dc:date.available":["2009-10-02T13:20:15Z"],"dc:date.issued":["1988-10-02T13:20:15Z"],"dc:description.abstract":["Pressure variations of the superconducting transition temperature Ic of a series of amorphous NixZr 1 OO-x alloys have been studied under quasmydrostatic pressures upto 8 G Pa. For amorphous samples having Ni-concentration less than 40%, i)Tc/dP is positive in sign and it decreases non linearly with increase in I. whereasdTcldP is negative in sign for Ni concentration of 45%. Comparison with the Hall coefficient (I) and the thermoelectric power (2) results for the same amorphous alloys leads to the conclusion that s-d hybridization nature of the d-band (Nil plays a central role in the sign reversal behaviour. Application of pressures greater than 2 G Pa to Ni20ZrgO led to the formation of a new phase, w-Zr. which retains its form after the pressure is released."],"dc:identifier.uri":["http://hdl.handle.net/10464/2760"],"dc:language.iso":["eng"],"dc:subject":["Superconductivity.","Amorphous substances.","Alloys--Analysis.","Pressure--Measurement."],"dc:title":["Pressure dependence of superconductivity in amorphous Ni x Zr 100-x alloys"],"dc:type":["Electronic Thesis or Dissertation"],"thesis:degree_discipline":["Faculty of Mathematics and Science"],"thesis:degree_level":["Masters"],"thesis:degree_name":["M.Sc. Physics"],"thesis:institution_name":["Brock University"]},"updated_at":"2026-07-24T01:23:09Z"}