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Growth of a Single MnCr2O4 Spinel on Ni–25Cr–1.5Mn Alloy by the Rhines Pack Method and Photoelectrochemical and Raman Signatures of MnCr2O4 Spinel.

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Title: Growth of a Single MnCr2O4 Spinel on Ni–25Cr–1.5Mn Alloy by the Rhines Pack Method and Photoelectrochemical and Raman Signatures of MnCr2O4 Spinel.
Authors: Perez, T.1 (AUTHOR), Mathieu, S.1 (AUTHOR) stephane.mathieu@univ-lorraine.fr, Latu-Romain, L.2 (AUTHOR), Wouters, Y.2 (AUTHOR), Vilasi, M.1 (AUTHOR)
Source: High Temperature Corrosion of Materials. Oct2024, Vol. 101 Issue 5, p923-933. 11p.
Subjects: Band gaps, Partial pressure, Oxide coating, Manganese oxides, Raman spectroscopy
Abstract: A single thin MnCr2O4 spinel layer was synthesized on a Ni–25Cr–1.5Mn alloy by a fine control of oxygen partial pressure using the Rhines-pack method, a technique that utilized an appropriate buffering powder mixture. The spinel was characterized using X-Ray diffraction, Raman spectroscopy and photoelectrochemistry. The cubic spinel MnCr2O4 was formed under the oxygen partial pressure close to 5 × 10–21 atm at 1050 °C controlled by the buffering Ni–25Cr/Cr2O3 powder mixture. Raman MnCr2O4 spectrum is characterized by five vibrational modes, whereas photoelectrochemical characterization revealed the MnCr2O4 band gap measurement at 3.7 eV with an n-type conductivity. [ABSTRACT FROM AUTHOR]
Copyright of High Temperature Corrosion of Materials is the property of Springer Nature and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)
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  Data: Growth of a Single MnCr<subscript>2</subscript>O<subscript>4</subscript> Spinel on Ni–25Cr–1.5Mn Alloy by the Rhines Pack Method and Photoelectrochemical and Raman Signatures of MnCr<subscript>2</subscript>O<subscript>4</subscript> Spinel.
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  Data: <searchLink fieldCode="DE" term="%22Band+gaps%22">Band gaps</searchLink><br /><searchLink fieldCode="DE" term="%22Partial+pressure%22">Partial pressure</searchLink><br /><searchLink fieldCode="DE" term="%22Oxide+coating%22">Oxide coating</searchLink><br /><searchLink fieldCode="DE" term="%22Manganese+oxides%22">Manganese oxides</searchLink><br /><searchLink fieldCode="DE" term="%22Raman+spectroscopy%22">Raman spectroscopy</searchLink>
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  Data: A single thin MnCr2O4 spinel layer was synthesized on a Ni–25Cr–1.5Mn alloy by a fine control of oxygen partial pressure using the Rhines-pack method, a technique that utilized an appropriate buffering powder mixture. The spinel was characterized using X-Ray diffraction, Raman spectroscopy and photoelectrochemistry. The cubic spinel MnCr2O4 was formed under the oxygen partial pressure close to 5 × 10–21 atm at 1050 °C controlled by the buffering Ni–25Cr/Cr2O3 powder mixture. Raman MnCr2O4 spectrum is characterized by five vibrational modes, whereas photoelectrochemical characterization revealed the MnCr2O4 band gap measurement at 3.7 eV with an n-type conductivity. [ABSTRACT FROM AUTHOR]
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  Data: <i>Copyright of High Temperature Corrosion of Materials is the property of Springer Nature and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract.</i> (Copyright applies to all Abstracts.)
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      – TitleFull: Growth of a Single MnCr2O4 Spinel on Ni–25Cr–1.5Mn Alloy by the Rhines Pack Method and Photoelectrochemical and Raman Signatures of MnCr2O4 Spinel.
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