646 citations
- Centre National de la Recherche ScientifiqueFR28 papers
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34 papers
Spin-phonon interactions revisited: Far-infrared emission, Raman scattering, and high-resolution x-ray diffraction at the Néel temperature in LaFeO3
Néstor E. Massa, Javier Gainza, Aurélien Canizares +2
We report on the structural evolution, spin phonon interactions, and magnetoelastic effects in bulk LaFeO3 perovskite across its antiferromagnetic transition. We found that while t…
Oxyfluoride glasses obtained through incorporation of CaF into photovoltaic cover glass melts
Rafaela Valcarenghi, Brenno Greatti Silva, Robson Ferrari Muniz +10
The glass industry has limited options to mitigate its environmental footprint, and the demand for cover glass to produce photovoltaic panels is increasing. Currently, the majority…
Mid-infrared optical properties of pyrolytic boron nitride in the 390 to 1050 C temperature range using spectral emissivity measurements
Iñigo González de Arrieta, Telmo Echániz, Raquel Fuente +4
This paper shows a systematic experimental and theoretical study on the temperature dependence of the infrared optical properties of pyrolytic boron nitride (pBN), from 390 to 1050…
Spectral emissivity of copper and nickel in the mid-infrared range between 250 and 900 C
Iñigo Setién-Fernández, Telmo Echániz, Luis González-Fernández +2
A study on the radiative properties of two pure metals, copper and nickel, using a high accuracy radiometer is carried out. Their spectral emissivity between 3 and 21 μm and its de…
Spectrally Sharp Near-Field Thermal Emission: Revealing Some Disagreements between a Casimir-Polder Sensor and Predictions from Far-Field Emittance
J. C. de Aquino Carvalho, I. Maurin, P. Chaves de Souza Segundo +3
Near-field thermal emission largely exceed blackbody radiation, owing to spectrally sharp emission in surface polaritons. We turn Casimir-Polder interaction between Cs(7P1/2) and a…
Low temperature Terahertz Spectroscopy of LaFeO, PrFeO, ErFeO, and LuFeO: Quasimagnon resonances and ground multiplet transitions
Nestor E. Massa, Leire del Campo, Vinh Ta Puoc +2
We report on zone center THz excitations of non-Jahn Teller LaFeO, PrFeO, ErFeO, and LuFeO distorted perovskites under external magnetic fields up 7 T. Low temperat…