http://www.cnr.it/ontology/cnr/individuo/prodotto/ID170464
A comparison of Ti/Pt and TiN/Pt electrodes used with ferroelectric SrBi2Ta2O9 films (Articolo in rivista)
- Type
- Label
- A comparison of Ti/Pt and TiN/Pt electrodes used with ferroelectric SrBi2Ta2O9 films (Articolo in rivista) (literal)
- Anno
- 2002-01-01T00:00:00+01:00 (literal)
- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#doi
- 10.1016/S0040-6090(01)01778-3 (literal)
- Alternative label
Watts B.E., Leccabue F., Guerri S., Severi M., Fanciulli M., Ferrari S., Tallarida G., Morandi C. (2002)
A comparison of Ti/Pt and TiN/Pt electrodes used with ferroelectric SrBi2Ta2O9 films
in Thin solid films (Print)
(literal)
- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
- Watts B.E., Leccabue F., Guerri S., Severi M., Fanciulli M., Ferrari S., Tallarida G., Morandi C. (literal)
- Pagina inizio
- Pagina fine
- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroVolume
- Rivista
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- ISI Web of Science (WOS) (literal)
- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#affiliazioni
- aIstituto MASPECyCNR, Viale delle Scienze 37ya, I-43010 Fontanini, Parma, Italy
bIstituto LAMELyCNR, Via Piero Gobetti 101, I-40129 Bologna, Italy
cINFM, Laboratorio MDM, Via C. Olivetti 2, I-20041 Agrate Brianza, Italy
dCentro Interdipartimentale MTI, Universita` di Parma, Viale delle Scienze, I-43010 Fontanini, Parma, Italy (literal)
- Titolo
- A comparison of Ti/Pt and TiN/Pt electrodes used with ferroelectric SrBi2Ta2O9 films (literal)
- Abstract
- The effects of Ti and TiN adhesion layers, used below the Pt bottom
electrode, on the purity, phase distribution and electrical properties of
ferroelectric SrBi2Ta2O9 (SBT) thin films have been examined and compared.
Changes in electrode morphology were observed as a function of temperature,
using atomic force microscopy (AFM) and scanning electron microscopy (SEM).
A distinct improvement was seen when TiN is used; there are fewer shorting
capacitors and the remnant polarisation of the ferroelectric increases
markedly. However, the adhesion is not as good. Secondary ion mass
spectrometry (SIMS) shows that when Ti/Pt bottom electrodes are used, Ti
diffuses through the Pt film causing spurious phases to crystallise in the
SBT film. These depth profiles also show evidence of Bi diffusion to the
surface of the oxide film and through the Pt towards Ti rich regions. (literal)
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