João Oliveira Ventura


AuthID: R-000-79P

Confirmed Publications: 220



191
TITLE: Structural, magnetic and transport properties of ion beam deposited Co thin films  Full Text
AUTHORS: Fermento, R; Leitao, DC ; Teixeira, JM ; Pereira, AM ; Carpinteiro, F ; Ventura, J ; Araujo, JP ; Sousa, JB ;
PUBLISHED: 2008, SOURCE: 9th International Workshop on Non Crystalline Solids in JOURNAL OF NON-CRYSTALLINE SOLIDS, VOLUME: 354, ISSUE: 47-51
INDEXED IN: Scopus WOS CrossRef: 14
IN MY: ORCID | ResearcherID | CIÊNCIAVITAE
192
TITLE: Training effect in specular spin valves
AUTHORS: Ventura, J ; Araujo, JP ; Sousa, JB ; Veloso, A; Freitas, PP;
PUBLISHED: 2008, SOURCE: PHYSICAL REVIEW B, VOLUME: 77, ISSUE: 18
INDEXED IN: Scopus WOS CrossRef: 34
IN MY: ORCID | ResearcherID | CIÊNCIAVITAE
193
TITLE: Competing spin-dependent conductance channels in underoxidized tunnel junctions  Full Text
AUTHORS: Ventura, J ; Araujo, JP ; Sousa, JB ; Ferreira, R; Freitas, PP;
PUBLISHED: 2007, SOURCE: APPLIED PHYSICS LETTERS, VOLUME: 90, ISSUE: 3
INDEXED IN: Scopus WOS CrossRef: 13
IN MY: ORCID | ResearcherID | CIÊNCIAVITAE
194
TITLE: Distribution of blocking temperatures in nano-oxide layers of specular spin valves  Full Text
AUTHORS: Ventura, J ; Araujo, JP ; Sousa, JB ; Veloso, A; Freitas, PP;
PUBLISHED: 2007, SOURCE: JOURNAL OF APPLIED PHYSICS, VOLUME: 101, ISSUE: 11
INDEXED IN: Scopus WOS CrossRef: 18
IN MY: ORCID | ResearcherID | CIÊNCIAVITAE
195
TITLE: Electrical current induced pinhole formation and insulator-metal transition in tunnel junctions  Full Text
AUTHORS: Ventura, J ; Zhang, Z; Liu, Y; Sousa, JB ; Freitas, PP;
PUBLISHED: 2007, SOURCE: JOURNAL OF PHYSICS-CONDENSED MATTER, VOLUME: 19, ISSUE: 17
INDEXED IN: Scopus WOS CrossRef: 11
IN MY: ORCID | ResearcherID | CIÊNCIAVITAE
196
TITLE: Influence of the domain structure of nano-oxide layers on the transport properties of specular spin valves  Full Text
AUTHORS: Ventura, J ; Sousa, JB ; Veloso, A; Freitas, PP;
PUBLISHED: 2007, SOURCE: 10th Joint Magnetism and Magnetic Materials Conference/International Magnetics Conference in JOURNAL OF APPLIED PHYSICS, VOLUME: 101, ISSUE: 9
INDEXED IN: Scopus WOS CrossRef: 4
IN MY: ORCID | ResearcherID | CIÊNCIAVITAE
197
198
TITLE: Spin-dependent migration-conduction model for ultra-thin magnetic tunnel junctions  Full Text
AUTHORS: Yu. G Pogorelov; Lopes, JV ; Ventura, JO ; Freitas, PP; Ferreira, R; Araujo, JP ; Sousa, JB ;
PUBLISHED: 2007, SOURCE: Joint European Magnetic Symposia (JEMS 06) in JOURNAL OF MAGNETISM AND MAGNETIC MATERIALS, VOLUME: 316, ISSUE: 2
INDEXED IN: Scopus WOS CrossRef
IN MY: ORCID | ResearcherID | CIÊNCIAVITAE
199
TITLE: Temperature dependence of transport properties and exchange field of NiMn based spin valves  Full Text
AUTHORS: Teixeira, JM ; Ventura, J ; Negulescu, B; Araujo, JP ; Fermento, R; Sousa, JB ; Freitas, PP;
PUBLISHED: 2007, SOURCE: Joint European Magnetic Symposia (JEMS 06) in JOURNAL OF MAGNETISM AND MAGNETIC MATERIALS, VOLUME: 316, ISSUE: 2
INDEXED IN: Scopus WOS CrossRef: 2
IN MY: ORCID | ResearcherID | CIÊNCIAVITAE
200
TITLE: Three-state memory combining resistive and magnetic switching using tunnel junctions  Full Text
AUTHORS: Ventura, J ; Pereira, AM ; Araujo, JP ; Sousa, JB ; Zhang, Z; Liu, Y; Freitas, PP;
PUBLISHED: 2007, SOURCE: JOURNAL OF PHYSICS D-APPLIED PHYSICS, VOLUME: 40, ISSUE: 19
INDEXED IN: Scopus WOS CrossRef: 16
IN MY: ORCID | ResearcherID | CIÊNCIAVITAE
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