Abstract
Recently, great interest has been raised on cobalt platinum alloys due to their possible application in perpendicular magnetic recording. Electrodeposited cobalt platinum alloys with hcp structure, [001] preferred orientation and Pt content of about 20 at.% were considered and their magnetic, compositional and microstructural properties were correlated. Lattice parameter c of electrodeposited CoPt alloys from glycine-citrate bath showed a sigmoidal dependence on Pt content. Moreover, a linear correlation between coercivity measured in the direction perpendicular to the substrate (Hc,perp) and microstructural properties, i.e. Vickers microhardness (HV) and Young modulus (Y), was observed. In the microhardness range 550 to 900 MPa, H c,Perp of electrodeposited films increased from about 3000 Oe to 3500 Oe. Correspondingly, the Young modulus increased from 125 to 225 GPa.
| Original language | English |
|---|---|
| Title of host publication | Magnetic Materials, Processes, and Devices VIII - Proceedings of the International Symposium |
| Pages | 274-283 |
| Number of pages | 10 |
| Volume | PV 2004-23 |
| Publication status | Published - 2006 |
| Externally published | Yes |
| Event | 206th ECS Meeting - Honolulu, HI, United States Duration: 5 Oct 2004 → 8 Oct 2004 |
Conference
| Conference | 206th ECS Meeting |
|---|---|
| Country | United States |
| City | Honolulu, HI |
| Period | 5.10.04 → 8.10.04 |
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ASJC Scopus subject areas
- Engineering(all)
Cite this
Correlation between microhardness and coercivity of electrodeposited cobalt platinum films. / Franz, S.; Balzarini, G.; Bestetti, M.; Vicenzo, A.; Cavallotti, P. L.
Magnetic Materials, Processes, and Devices VIII - Proceedings of the International Symposium. Vol. PV 2004-23 2006. p. 274-283.Research output: Chapter in Book/Report/Conference proceeding › Conference contribution
}
TY - GEN
T1 - Correlation between microhardness and coercivity of electrodeposited cobalt platinum films
AU - Franz, S.
AU - Balzarini, G.
AU - Bestetti, M.
AU - Vicenzo, A.
AU - Cavallotti, P. L.
PY - 2006
Y1 - 2006
N2 - Recently, great interest has been raised on cobalt platinum alloys due to their possible application in perpendicular magnetic recording. Electrodeposited cobalt platinum alloys with hcp structure, [001] preferred orientation and Pt content of about 20 at.% were considered and their magnetic, compositional and microstructural properties were correlated. Lattice parameter c of electrodeposited CoPt alloys from glycine-citrate bath showed a sigmoidal dependence on Pt content. Moreover, a linear correlation between coercivity measured in the direction perpendicular to the substrate (Hc,perp) and microstructural properties, i.e. Vickers microhardness (HV) and Young modulus (Y), was observed. In the microhardness range 550 to 900 MPa, H c,Perp of electrodeposited films increased from about 3000 Oe to 3500 Oe. Correspondingly, the Young modulus increased from 125 to 225 GPa.
AB - Recently, great interest has been raised on cobalt platinum alloys due to their possible application in perpendicular magnetic recording. Electrodeposited cobalt platinum alloys with hcp structure, [001] preferred orientation and Pt content of about 20 at.% were considered and their magnetic, compositional and microstructural properties were correlated. Lattice parameter c of electrodeposited CoPt alloys from glycine-citrate bath showed a sigmoidal dependence on Pt content. Moreover, a linear correlation between coercivity measured in the direction perpendicular to the substrate (Hc,perp) and microstructural properties, i.e. Vickers microhardness (HV) and Young modulus (Y), was observed. In the microhardness range 550 to 900 MPa, H c,Perp of electrodeposited films increased from about 3000 Oe to 3500 Oe. Correspondingly, the Young modulus increased from 125 to 225 GPa.
UR - http://www.scopus.com/inward/record.url?scp=40249119007&partnerID=8YFLogxK
UR - http://www.scopus.com/inward/citedby.url?scp=40249119007&partnerID=8YFLogxK
M3 - Conference contribution
AN - SCOPUS:40249119007
SN - 1566775132
SN - 9781566775137
VL - PV 2004-23
SP - 274
EP - 283
BT - Magnetic Materials, Processes, and Devices VIII - Proceedings of the International Symposium
ER -