Enhanced off-resonance magnetoelectric response in laser annealed PZT thick film grown on magnetostrictive amorphous metal substrate

Haribabu Palneedi, Deepam Maurya, Gi Yeop Kim, Shashank Priya, Suk Joong L. Kang, Kwang Ho Kim, Si Young Choi, Jungho Ryu

Research output: Contribution to journalArticle

19 Citations (Scopus)

Abstract

A highly dense, 4μm-thick Pb(Zr,Ti)O3 (PZT) film is deposited on amorphous magnetostrictive Metglas foil (FeBSi) by granule spray in vacuum process at room temperature, followed by its localized annealing with a continuous-wave 560nm ytterbium fiber laser radiation. This longer-wavelength laser radiation is able to anneal the whole of thick PZT film layer without any deteriorative effects, such as chemical reaction and/or atomic diffusion, at the interface and crystallization of amorphous Metglas substrate. Greatly enhanced dielectric and ferroelectric properties of the annealed PZT are attributed to its better crystallinity and grain growth induced by laser irradiation. As a result, a colossal off-resonance magnetoelectric (ME) voltage coefficient that is two orders of magnitude larger than previously reported output from PZT/Metglas film-composites is achieved. The present work addresses the problems involved in the fabrication of PZT/Metglas film-composites and opens up emerging possibilities in employing piezoelectric materials with low thermal budget substrates (suitable for integrated electronics) and designing laminate composites for ME based devices.

Original languageEnglish (US)
Article number012904
JournalApplied Physics Letters
Volume107
Issue number1
DOIs
StatePublished - Jul 6 2015

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thick films
composite materials
laser beams
metals
lasers
ytterbium
budgets
laminates
continuous radiation
fiber lasers
sprayers
dielectric properties
foils
emerging
crystallinity
chemical reactions
crystallization
vacuum
fabrication
irradiation

All Science Journal Classification (ASJC) codes

  • Physics and Astronomy (miscellaneous)

Cite this

Palneedi, Haribabu ; Maurya, Deepam ; Kim, Gi Yeop ; Priya, Shashank ; Kang, Suk Joong L. ; Kim, Kwang Ho ; Choi, Si Young ; Ryu, Jungho. / Enhanced off-resonance magnetoelectric response in laser annealed PZT thick film grown on magnetostrictive amorphous metal substrate. In: Applied Physics Letters. 2015 ; Vol. 107, No. 1.
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Enhanced off-resonance magnetoelectric response in laser annealed PZT thick film grown on magnetostrictive amorphous metal substrate. / Palneedi, Haribabu; Maurya, Deepam; Kim, Gi Yeop; Priya, Shashank; Kang, Suk Joong L.; Kim, Kwang Ho; Choi, Si Young; Ryu, Jungho.

In: Applied Physics Letters, Vol. 107, No. 1, 012904, 06.07.2015.

Research output: Contribution to journalArticle

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AU - Palneedi, Haribabu

AU - Maurya, Deepam

AU - Kim, Gi Yeop

AU - Priya, Shashank

AU - Kang, Suk Joong L.

AU - Kim, Kwang Ho

AU - Choi, Si Young

AU - Ryu, Jungho

PY - 2015/7/6

Y1 - 2015/7/6

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