Publicação
Disorder and topology in spin systems
| Resumo: | Topological materials have gathered attention since the turn of the century due to the presence of several desirable properties such as chiral edge modes resilient disorder. Additionally, 2D magnetic materials have proven to have several desirable properties for implementation in spintronic devices. In the work pre sented in this thesis, the band-topological properties of certain 1D and 2D magnetic materials are explored, and the resilience and manipulation of these materials is probed, resorting to three types of real space disorder. Firstly, I present a novel way to manipulate topological properties of photo-induced topological ferromagnets using a strain engineering approach, with potential application in all-strain engineered topo logical spintronics. Secondly, I present a novel quasidisordered toy model showcasing for the first time the coexistence of 1D and 2D topological invariants in a purely 1D physical system. Such a system may be realizable in the context of spin systems and beyond. Lastly, some numerical and semi-analytical results on the impact of dilution in topological ferromagnets are presented, showcasing the resilience of topology to substitutional effects when a percentage of magnetic atoms is replaced by non-magnetic ones. |
|---|---|
| Autores principais: | Antão, Tiago Vieira de Castro Martins |
| Assunto: | Band topology Spin systems Magnons Haldane model SSH model Strain Quasicrystals Dilution Topologia de bandas Sistemas de spin Magnões Modelo de Haldane Modelo SSH Deformação Quasicristais Diluição |
| Ano: | 2023 |
| País: | Portugal |
| Tipo de documento: | dissertação de mestrado |
| Tipo de acesso: | acesso aberto |
| Instituição associada: | Universidade do Minho |
| Idioma: | inglês |
| Origem: | RepositóriUM - Universidade do Minho |
| _version_ | 1866876583145373696 |
|---|---|
| author | Antão, Tiago Vieira de Castro Martins |
| author_facet | Antão, Tiago Vieira de Castro Martins |
| author_role | author |
| contributor_name_str_mv | Peres, N. M. R. Universidade do Minho |
| country_str | PT |
| creators_json_txt | [{\"Person.name\":\"Antão, Tiago Vieira de Castro Martins\"}] |
| datacite.contributors.contributor.contributorName.fl_str_mv | Peres, N. M. R. Universidade do Minho |
| datacite.creators.creator.creatorName.fl_str_mv | Antão, Tiago Vieira de Castro Martins |
| datacite.date.Accepted.fl_str_mv | 2023-09-29T00:00:00Z |
| datacite.date.available.fl_str_mv | 2024-06-03T15:20:07Z |
| datacite.date.embargoed.fl_str_mv | 2024-06-03T15:20:07Z |
| datacite.rights.fl_str_mv | http://purl.org/coar/access_right/c_abf2 |
| datacite.subjects.subject.fl_str_mv | Band topology Spin systems Magnons Haldane model SSH model Strain Quasicrystals Dilution Topologia de bandas Sistemas de spin Magnões Modelo de Haldane Modelo SSH Deformação Quasicristais Diluição |
| datacite.titles.title.fl_str_mv | Disorder and topology in spin systems |
| dc.contributor.none.fl_str_mv | Peres, N. M. R. Universidade do Minho |
| dc.creator.none.fl_str_mv | Antão, Tiago Vieira de Castro Martins |
| dc.date.Accepted.fl_str_mv | 2023-09-29T00:00:00Z |
| dc.date.available.fl_str_mv | 2024-06-03T15:20:07Z |
| dc.date.embargoed.fl_str_mv | 2024-06-03T15:20:07Z |
| dc.format.none.fl_str_mv | application/pdf |
| dc.identifier.none.fl_str_mv | https://hdl.handle.net/1822/91675 |
| dc.language.none.fl_str_mv | eng |
| dc.rights.cclincense.fl_str_mv | http://creativecommons.org/licenses/by-nc-sa/4.0/ |
| dc.rights.none.fl_str_mv | http://purl.org/coar/access_right/c_abf2 |
| dc.rights.rights.copyright.fl_str_mv | openAccess |
| dc.subject.none.fl_str_mv | Band topology Spin systems Magnons Haldane model SSH model Strain Quasicrystals Dilution Topologia de bandas Sistemas de spin Magnões Modelo de Haldane Modelo SSH Deformação Quasicristais Diluição |
| dc.title.fl_str_mv | Disorder and topology in spin systems |
| dc.type.none.fl_str_mv | http://purl.org/coar/resource_type/c_bdcc |
| description | Topological materials have gathered attention since the turn of the century due to the presence of several desirable properties such as chiral edge modes resilient disorder. Additionally, 2D magnetic materials have proven to have several desirable properties for implementation in spintronic devices. In the work pre sented in this thesis, the band-topological properties of certain 1D and 2D magnetic materials are explored, and the resilience and manipulation of these materials is probed, resorting to three types of real space disorder. Firstly, I present a novel way to manipulate topological properties of photo-induced topological ferromagnets using a strain engineering approach, with potential application in all-strain engineered topo logical spintronics. Secondly, I present a novel quasidisordered toy model showcasing for the first time the coexistence of 1D and 2D topological invariants in a purely 1D physical system. Such a system may be realizable in the context of spin systems and beyond. Lastly, some numerical and semi-analytical results on the impact of dilution in topological ferromagnets are presented, showcasing the resilience of topology to substitutional effects when a percentage of magnetic atoms is replaced by non-magnetic ones. |
| dirty | 0 |
| eu_rights_str_mv | openAccess |
| format | masterThesis |
| fulltext.url.fl_str_mv | https://prod-dspace.uminho.pt/bitstreams/a6773597-91c6-46f2-9d98-2a14edbc9449/download |
| id | rum_e50699d91cdfcffd7a0f167b04218b13 |
| identifier.url.fl_str_mv | https://hdl.handle.net/1822/91675 |
| instacron_str | repositorium |
| institution | Universidade do Minho |
| instname_str | Universidade do Minho |
| language | eng |
| network_acronym_str | rum |
| network_name_str | RepositóriUM - Universidade do Minho |
| oai_identifier_str | oai:repositorium.uminho.pt:1822/91675 |
| organization_str_mv | urn:organizationAcronym:repositorium |
| person_str_mv | Antão, Tiago Vieira de Castro Martins |
| publishDate | 2023 |
| reponame_str | RepositóriUM - Universidade do Minho |
| repository_id_str | urn:repositoryAcronym:rum |
| service_str_mv | urn:repositoryAcronym:rum |
| spelling | engporTopological materials have gathered attention since the turn of the century due to the presence of several desirable properties such as chiral edge modes resilient disorder. Additionally, 2D magnetic materials have proven to have several desirable properties for implementation in spintronic devices. In the work pre sented in this thesis, the band-topological properties of certain 1D and 2D magnetic materials are explored, and the resilience and manipulation of these materials is probed, resorting to three types of real space disorder. Firstly, I present a novel way to manipulate topological properties of photo-induced topological ferromagnets using a strain engineering approach, with potential application in all-strain engineered topo logical spintronics. Secondly, I present a novel quasidisordered toy model showcasing for the first time the coexistence of 1D and 2D topological invariants in a purely 1D physical system. Such a system may be realizable in the context of spin systems and beyond. Lastly, some numerical and semi-analytical results on the impact of dilution in topological ferromagnets are presented, showcasing the resilience of topology to substitutional effects when a percentage of magnetic atoms is replaced by non-magnetic ones.application/pdfporDisorder and topology in spin systemsAntão, Tiago Vieira de Castro MartinsPeres, N. M. R.HostingInstitutionOrganizationalUniversidade do Minhoe-mailmailto:repositorium@usdb.uminho.ptrepositorium@usdb.uminho.ptURNurn:tid:2035299952024-06-03T15:20:07Z2023-09-292023-092023-09-29T00:00:00ZHandlehttps://hdl.handle.net/1822/91675http://purl.org/coar/access_right/c_abf2open accessBand topologySpin systemsMagnonsHaldane modelSSH modelStrainQuasicrystalsDilutionTopologia de bandasSistemas de spinMagnõesModelo de HaldaneModelo SSHDeformaçãoQuasicristaisDiluição6853127 bytesliteraturehttp://purl.org/coar/resource_type/c_bdccmaster thesis2023-09-29http://creativecommons.org/licenses/by-nc-sa/4.0/openAccesshttp://purl.org/coar/access_right/c_abf2application/pdffulltexthttps://prod-dspace.uminho.pt/bitstreams/a6773597-91c6-46f2-9d98-2a14edbc9449/download |
| spellingShingle | Disorder and topology in spin systems Antão, Tiago Vieira de Castro Martins Band topology Spin systems Magnons Haldane model SSH model Strain Quasicrystals Dilution Topologia de bandas Sistemas de spin Magnões Modelo de Haldane Modelo SSH Deformação Quasicristais Diluição |
| status | SINGLETON |
| subject.fl_str_mv | Band topology Spin systems Magnons Haldane model SSH model Strain Quasicrystals Dilution Topologia de bandas Sistemas de spin Magnões Modelo de Haldane Modelo SSH Deformação Quasicristais Diluição |
| title | Disorder and topology in spin systems |
| title_full | Disorder and topology in spin systems |
| title_fullStr | Disorder and topology in spin systems |
| title_full_unstemmed | Disorder and topology in spin systems |
| title_short | Disorder and topology in spin systems |
| title_sort | Disorder and topology in spin systems |
| topic | Band topology Spin systems Magnons Haldane model SSH model Strain Quasicrystals Dilution Topologia de bandas Sistemas de spin Magnões Modelo de Haldane Modelo SSH Deformação Quasicristais Diluição |
| topic_facet | Band topology Spin systems Magnons Haldane model SSH model Strain Quasicrystals Dilution Topologia de bandas Sistemas de spin Magnões Modelo de Haldane Modelo SSH Deformação Quasicristais Diluição |
| url | https://hdl.handle.net/1822/91675 |
| visible | 1 |