Single crystal growth and phase transition mechanism of KCsMoP2O9 with efficient second harmonic generation via the emerging additional periodic phase technology

Fan, Mengdi; Wu, Guangda; Li, Lili; Yu, Fapeng; Wang, Chun; Cheng, Xiufeng; Zhao, Xian

doi:10.1039/d3tc02071a

J. Mater. Chem. C

2023

DOI: 10.1039/d3tc02071a

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Single crystal growth and phase transition mechanism of KCsMoP₂O₉ with efficient second harmonic generation via the emerging additional periodic phase technology

Mengdi Fan,

Guangda Wu,

Lili Li

et al.

Abstract: Large size and high quality single crystal is the prerequisite to fully evaluate the physical properties and potential technical applications. Herein, centimeter-sized KCsMoP2O9 (KCMP) crystal was successfully grown by the...

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2024

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Ultralow Detection Limit and Anisotropic X‐Ray Detection Behaviors Based on A Novel Oxide KCsMoP₂O₉ Single Crystal

Fan,

Sun,

et al. 2024

Adv Funct Materials

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X‐ray detection has drawn great attention in industrial examination, medical imaging, scientific research, and beyond. Herein, the anisotropic X‐ray detection performances are investigated based on a novel oxide crystal KCsMoP2O9 (KCMP). The large dielectric screening effect and 1D infinite chain structure consisting of MoO6 octahedron and two PO4 tetrahedrons are conducive to efficient carrier transport along the X‐direction, leading to a higher µτ (4.77 × 10−3 cm2 V−1) of X direction than that of Z direction (1.05 × 10−4 cm2 V−1). Additionally, the KCMP‐based X‐ray detector along the X direction shows weaker ion migration than that of the Z direction due to the large migration barrier of O2− (8.0 eV) and high ion active energy (784.9 meV) along the X direction. Owing to the high resistivity (2.29 × 1013 Ω cm), high µτ, high ion activation energy, suppressed ion migration, and ultralow dark current, the X‐ray detection performance of the KCMP detector along the X direction is superior to that of the Z direction. Specifically, the high sensitivity (131.2 µC Gy−1 cm−2) and ultralow detection limit (8.9 nGys−1) are achieved in the KCMP detector along the X direction. This work clarifies anisotropic engineering to enhance the X‐ray detection performance of oxide crystals and proposes a novel X‐ray detection crystal with an ultralow detection limit.

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Ultralow Detection Limit and Anisotropic X‐Ray Detection Behaviors Based on A Novel Oxide KCsMoP₂O₉ Single Crystal

Fan,

Sun,

et al. 2024

Adv Funct Materials

View full text Add to dashboard Cite

show abstract

Electro-elastic characteristics of KCsMoP2O9 crystal: Exploiting strong piezoelectricity for guided wave transducer applications

Fan,

Wu,

et al. 2024

Journal of Materiomics

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Single crystal growth and phase transition mechanism of KCsMoP₂O₉ with efficient second harmonic generation via the emerging additional periodic phase technology

Abstract: Large size and high quality single crystal is the prerequisite to fully evaluate the physical properties and potential technical applications. Herein, centimeter-sized KCsMoP2O9 (KCMP) crystal was successfully grown by the...

Cited by 2 publications

References 64 publications

Ultralow Detection Limit and Anisotropic X‐Ray Detection Behaviors Based on A Novel Oxide KCsMoP₂O₉ Single Crystal

Ultralow Detection Limit and Anisotropic X‐Ray Detection Behaviors Based on A Novel Oxide KCsMoP₂O₉ Single Crystal

Electro-elastic characteristics of KCsMoP2O9 crystal: Exploiting strong piezoelectricity for guided wave transducer applications

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Single crystal growth and phase transition mechanism of KCsMoP2O9 with efficient second harmonic generation via the emerging additional periodic phase technology

Abstract: Large size and high quality single crystal is the prerequisite to fully evaluate the physical properties and potential technical applications. Herein, centimeter-sized KCsMoP2O9 (KCMP) crystal was successfully grown by the...

Cited by 2 publications

References 64 publications

Ultralow Detection Limit and Anisotropic X‐Ray Detection Behaviors Based on A Novel Oxide KCsMoP2O9 Single Crystal

Ultralow Detection Limit and Anisotropic X‐Ray Detection Behaviors Based on A Novel Oxide KCsMoP2O9 Single Crystal

Electro-elastic characteristics of KCsMoP2O9 crystal: Exploiting strong piezoelectricity for guided wave transducer applications

Contact Info

Product

Resources

About

Single crystal growth and phase transition mechanism of KCsMoP₂O₉ with efficient second harmonic generation via the emerging additional periodic phase technology

Ultralow Detection Limit and Anisotropic X‐Ray Detection Behaviors Based on A Novel Oxide KCsMoP₂O₉ Single Crystal

Ultralow Detection Limit and Anisotropic X‐Ray Detection Behaviors Based on A Novel Oxide KCsMoP₂O₉ Single Crystal