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Direct Measurement of Pyroelectric and Electrocaloric Effects in Thin Films

Autor: Pandya, S, Wilbur, JD, Bhatia, B, Damodaran, AR, Monachon, C, Dasgupta, A, King, WP, Dames, C, Martin, LW

Publikováno v: Physical Review Applied, vol 7, iss 3
Pandya, S; Wilbur, JD; Bhatia, B; Damodaran, AR; Monachon, C; Dasgupta, A; et al.(2017). Direct Measurement of Pyroelectric and Electrocaloric Effects in Thin Films. Physical Review Applied, 7(3). doi: 10.1103/PhysRevApplied.7.034025. UC Berkeley: Retrieved from: http://www.escholarship.org/uc/item/4dh4m440

© 2017 American Physical Society. An understanding of polarization-heat interactions in pyroelectric and electrocaloric thin-film materials requires that the electrothermal response is reliably characterized. While most work, particularly in electro

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https://escholarship.org/uc/item/4dh4m440

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High-frequency thermal-electrical cycles for pyroelectric energy conversion

Autor: Bhatia, B, Damodaran, AR, Cho, H, Martin, LW, King, WP

Publikováno v: Journal of Applied Physics, vol 116, iss 19
Bhatia, B; Damodaran, AR; Cho, H; Martin, LW; & King, WP. (2014). High-frequency thermal-electrical cycles for pyroelectric energy conversion. Journal of Applied Physics, 116(19). doi: 10.1063/1.4901993. UC Berkeley: Retrieved from: http://www.escholarship.org/uc/item/83m787bk

© 2014 AIP Publishing LLC. We report thermal to electrical energy conversion from a 150nm thick BaTiO3film using pyroelectric cycles at 1kHz. A microfabricated platform enables temperature and electric field control with temporal resolution near 1μ

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https://escholarship.org/uc/item/83m787bk

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Pyroelectric electron emission from a thin film of PbZrxTi 1-xO3 on a nanofabricated cathode

Autor: Fletcher, PC, Mangalam, RVK, Martin, LW, King, WP

Publikováno v: Fletcher, PC; Mangalam, RVK; Martin, LW; & King, WP. (2013). Pyroelectric electron emission from a thin film of PbZrxTi 1-xO3 on a nanofabricated cathode. 2013 Transducers and Eurosensors XXVII: The 17th International Conference on Solid-State Sensors, Actuators and Microsystems, TRANSDUCERS and EUROSENSORS 2013, 772-775. doi: 10.1109/Transducers.2013.6626880. UC Berkeley: Retrieved from: http://www.escholarship.org/uc/item/2sg7h405

We report pyroelectric emission from thin films of crystalline PbZr 0.8Ti0.2O3 (PZT) on nanometer-sharp tips. The epitaxial PZT films are 30 nm thick and grown directly on batch fabricated single-crystal silicon tips. Pyroelectric emission occurs for

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http://www.escholarship.org/uc/item/2sg7h405

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Pyroelectric electron emission from nanometer-thick films of PbZr xTi1-xO3

Autor: Fletcher, PC, Mangalam, VKR, Martin, LW, King, WP

Publikováno v: Fletcher, PC; Mangalam, VKR; Martin, LW; & King, WP. (2013). Pyroelectric electron emission from nanometer-thick films of PbZr xTi1-xO3. Applied Physics Letters, 102(19). doi: 10.1063/1.4806973. UC Berkeley: Retrieved from: http://www.escholarship.org/uc/item/1400z6nr

We report pyroelectric emission from PbZrxTi1-xO 3 (PZT) thin films on nanometer-sharp tips. The epitaxial PZT films are 30 nm thick and grown directly on single-crystal silicon tips. Pyroelectric emission occurs for heating rates of 50 °C/min in a

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http://www.escholarship.org/uc/item/1400z6nr

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Field emission from nanometer-scale tips of crystalline PbZr xTi1-xO3

Autor: Fletcher, PC, Mangalam, VKR, Martin, LW, King, WP

Publikováno v: Journal of Vacuum Science and Technology B:Nanotechnology and Microelectronics, vol 31, iss 2

The authors report field emission from nanometer-sharp tips of polarized PbZrxTi1-xO3 (PZT), silicon, and platinum. The PZT nanoemitters are fabricated in a batch fabrication process from single-crystal silicon tips that are coated with a 30 nm thick

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https://escholarship.org/uc/item/57w98222

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Pyroelectric current measurements on PbZr0.2Ti0.8O3 epitaxial layers

Autor: Bhatia, B, Karthik, J, Tong, T, Cahill, DG, Martin, LW, King, WP

Publikováno v: Journal of Applied Physics, vol 112, iss 10

We report pyroelectric current measurements on 150 nm thick PbZr 0.2Ti0.8O3 (PZT) epitaxial films using frequency-domain thermal measurements over the range 0.02 Hz-1.3 MHz. The measured pyroelectric currents are proportional to the rate of temperatu

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https://escholarship.org/uc/item/19z737g6

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