Heat dissipation in partially perforated phononic nano-membranes with periodicities below 100 nm

Autor: Antonin M. Massoud, Valeria Lacatena, Maciej Haras, Emmanuel Dubois, Stéphane Monfray, Jean-Marie Bluet, Pierre-Olivier Chapuis, Jean-François Robillard

Publikováno v: APL Materials, Vol 10, Iss 5, Pp 051113-051113-6 (2022)

Understanding how thermal-phonon paths can be shaped is key for controlling heat dissipation at the nanoscale. Thermophononic crystals are periodic porous nanostructures with thermal conductivity deviating from effective medium theory, which is possi

Externí odkaz: https://doaj.org/article/271f3d3d4e11408fb4331e6df7946b8c

Fabrication of thin-film silicon membranes with phononic crystals for thermal conductivity measurements

Autor: Maciej Haras, Jean-François Robillard, Valeria Lacatena, Emmanuel Dubois, Stephane Monfray, Thierno Moussa Bah, Stanislav Didenko, Thomas Skotnicki

Publikováno v: IEEE Electron Device Letters
IEEE Electron Device Letters, Institute of Electrical and Electronics Engineers, 2016, 37 (10), pp.1358-1361. ⟨10.1109/LED.2016.2600590⟩
IEEE Electron Device Letters, 2016, 37 (10), pp.1358-1361. ⟨10.1109/LED.2016.2600590⟩

Thermoelectricity struggles with the lack of cheap, abundant, and environmentally friendly materials. Silicon could overcome this deficiency by proposing high harvested power density, simplicity, availability, harmlessness, CMOS compatibility, and co

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::b6fd614e71cc9ae8c4044a3096dea926
https://hal.archives-ouvertes.fr/hal-03276234

Toward quantitative modeling of silicon phononic thermocrystals

Autor: Maciej Haras, Stephane Monfray, Jean-François Robillard, Emmanuel Dubois, Thomas Skotnicki, Valeria Lacatena

Publikováno v: Applied Physics Letters
Applied Physics Letters, 2015, 106 (11), 114104, 4 p. ⟨10.1063/1.4915619⟩
Applied Physics Letters, American Institute of Physics, 2015, 106 (11), 114104, 4 p. ⟨10.1063/1.4915619⟩

International audience; The wealth of technological patterning technologies of deca-nanometer resolution brings opportunities to artificially modulate thermal transport properties. A promising example is given by the recent concepts of "thermocrystal

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::9f9809255077d1047f32b7ff5f956b9b
https://hal.science/hal-03324999

Unconventional thin-film thermoelectric converters : structure, simulation, and comparative study

Autor: Jean-François Robillard, Emmanuel Dubois, Stephane Monfray, Maciej Haras, Valeria Lacatena, Thomas Skotnicki

Publikováno v: Journal of Electronic Materials
Journal of Electronic Materials, Institute of Electrical and Electronics Engineers, 2014, 43, pp.2109-2114. ⟨10.1007/s11664-014-2982-z⟩
Journal of Electronic Materials, 2014, 43, pp.2109-2114. ⟨10.1007/s11664-014-2982-z⟩

Bi2Te3 or Sb2Te3 are the materials most widely used in thermoelectric generators (TEG) operating near room temperature. These materials are, however, environmentally harmful, expensive, and incompatible with complementary metal-oxide semiconductor te

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::14bbcf964f5550063b26162227b3ea8c
https://hal.archives-ouvertes.fr/hal-00994781

A route for fabricating printable photonic devices with sub-10 nm resolution

Autor: Carlos Pina-Hernandez, Christophe Peroz, Valeria Lacatena, Scott Dhuey, Deirdre L. Olynick, Vladimir Yankov, Alexander Goltsov, Konstantin Kravtsov, Stefano Cabrini, Giuseppe Calafiore

Publikováno v: Nanotechnology. 24(6)

A novel and robust route for high-throughput, high-performance nanophotonics-based direct imprint of high refractive index and low visible wavelength absorption materials is presented. Sub-10 nm TiO2 nanostructures are fabricated by low-pressure UV-i

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::6af95f0937f503daad10d728776a4632
https://pubmed.ncbi.nlm.nih.gov/23339929