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Ceramic Conductors
Open AccessArticle

Study in Optical and Mechanical Properties of Nd3+, Y3+: SrF2 Transparent Ceramics Prepared by Hot-Pressing and Hot-Forming Techniques

1
School of Materials Science and Engineering, Xi’an University of Technology, Xi’an 710048, China
2
Center of Materials Research and Analysis, Wuhan University of Technology, Wuhan 430070, China
3
State Key Laboratory of Advanced Technology for Materials Synthesis and Processing, Wuhan University of Technology, Wuhan 430070, China
4
School of Aerospace Engineering, Xi’an Jiao Tong University, Xi’an 710049, China
*
Authors to whom correspondence should be addressed.
Crystals 2019, 9(12), 619; https://doi.org/10.3390/cryst9120619
Received: 13 October 2019 / Revised: 22 November 2019 / Accepted: 24 November 2019 / Published: 26 November 2019
(This article belongs to the Special Issue Conducting Ceramics)
Nd3+, Y3+: SrF2 transparent ceramics were successfully synthesized by two methods: hot-forming and hot-pressing techniques. The mechanical properties and optical properties of the hot-formed Nd3+, Y3+: SrF2 transparent ceramics were much better than that of single crystal. On the other hand, the transmittance of the hot-formed transparent ceramics with different deformation rate reached up to 90% at 1054 nm, which is superior to the hot-pressed ceramics. Furthermore, the fracture toughness of hot-formed Nd3+, Y3+: SrF2 transparent ceramics with the deformation rate of 51% reached up to 0.70 MPa m1/2, which is nearly 1.5 times higher than that of as-grown single crystal. The full width at half maximum (FWHM) of the hot-formed ceramic is larger than that of the single crystal at 1053 nm under continuous-wave (CW) laser operation. The thermal conductivity of Nd3+, Y3+: SrF2 single crystal and hot-formed ceramics were also discussed. View Full-Text
Keywords: Nd3+, Y3+: SrF2 transparent ceramics; hot-forming; hot-pressing Nd3+, Y3+: SrF2 transparent ceramics; hot-forming; hot-pressing
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Qin, S.; Song, J.; Wang, W.; Mei, B.; Li, W.; Xia, Y. Study in Optical and Mechanical Properties of Nd3+, Y3+: SrF2 Transparent Ceramics Prepared by Hot-Pressing and Hot-Forming Techniques. Crystals 2019, 9, 619.

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