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Surface plasmon resonance sensor sensitivity enhancement using gold-dielectric material

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cris.virtual.department Universiti Malaysia Perlis
cris.virtual.department Universiti Malaysia Perlis
cris.virtualsource.department 2ab80515-66a0-49c0-ae93-93b3140f68af
cris.virtualsource.department af9374f0-d8e9-4c47-9802-0c72a47f2bb8
dc.contributor.author S. Fouad
dc.contributor.author Naseer Sabri
dc.contributor.author Zul Azhar Zahid Jamal
dc.contributor.author Prabakaran A/L Poopalan
dc.date.accessioned 2025-06-26T12:23:02Z
dc.date.available 2025-06-26T12:23:02Z
dc.date.issued 2017-07
dc.description.abstract There has been increasing interest in the field of surface plasmon resonance sensing technology according to its advantages such as the small amount of sensing samples required, freedom of electromagnetic interference and greater sensitivity. This research investigates the using of a thin layer of dielectric material such as Barium Titanate (BaTio3) over the Gold (Au) layer for enhancing the sensitivity of the surface plasmon resonance sensor based phase interrogation technique. BaTio3 is adopted due to its excellent dielectric properties such as high dielectric constant and low dielectric loss. Numerical results have demonstrated that the surface plasmon resonance sensor with utilizing a thin layer of the BaTio3 layer (5nm) over a fixed Au layer thickness of (50nm) exhibited a high sensitivity of (250 degree/RIU) among other thickness values of BaTio3. Contrarily, the comparison of the surface plasmon resonance sensor without utilizing BaTio3 layer provides (160 degree/RIU) for fixed Au layer thickness (50nm). Hence, using of 5mm thin layer of BaTio3 over 50nm of Au layer within surface Plasmon layer yield higher sensitivity of 250 (degree/RIU).
dc.identifier.uri https://ijneam.unimap.edu.my/
dc.identifier.uri https://ijneam.unimap.edu.my/images/PDF/IJNEAM%20No.%202,%202017/Vol_10_No_2_2017_6_149-158.pdf
dc.identifier.uri https://hdl.handle.net/20.500.14170/13995
dc.language.iso en
dc.publisher Universiti Malaysia Perlis (UniMAP)
dc.relation.ispartof International Journal of Nanoelectronics and Materials (IJNeaM)
dc.relation.issn 1985-5761
dc.subject Surface plasmon resonance sensor
dc.subject Au layer
dc.subject BaTio3 layer
dc.subject Phase interrogation technique
dc.title Surface plasmon resonance sensor sensitivity enhancement using gold-dielectric material
dc.type Resource Types::text::journal::journal article
dspace.entity.type Publication
oaire.citation.endPage 158
oaire.citation.issue 2
oaire.citation.startPage 149
oaire.citation.volume 10
oairecerif.author.affiliation School of Microelectronic Engineering
oairecerif.author.affiliation School of Computer and Communication Engineering
oairecerif.author.affiliation Universiti Malaysia Perlis
oairecerif.author.affiliation Universiti Malaysia Perlis
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