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Updated: Jul 20, 2025

An Externally-Heated Diamond Anvil Cell for Synthesis and Single-Crystal Elasticity Determination of Ice-VII at High Pressure-Temperature Conditions

An Externally-Heated Diamond Anvil Cell for Synthesis and Single-Crystal Elasticity Determination of Ice-VII at High Pressure-Temperature Conditions

Published on: June 18, 2020

聚晶钻石微热板聚晶钻石微热板

Evan L H Thomas¹, Jaspa Stritt¹, Soumen Mandal¹

¹School of Physics and Astronomy, Cardiff University, Queen's Buildings, The Parade, Cardiff, CF24 3AA, UK.

Small (Weinheim an der Bergstrasse, Germany)

|August 2, 2023

概括

此摘要是机器生成的。

用添加的钻石微热板克服了温度限制,达到2700K以上. 这些坚固的设备为气体传感和成像的先进应用提供了快速响应时间.

关键词:

碳碳碳碳碳碳钻石钻石钻石钻石微电机系统 (MEMS) 是一种微电机系统.微热板微热板的使用方法

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$Synthesis and Microdiffraction at Extreme Pressures and Temperatures$

Synthesis and Microdiffraction at Extreme Pressures and Temperatures

Published on: October 7, 2013

$High Pressure Single Crystal Diffraction at PX^2$

High Pressure Single Crystal Diffraction at PX^2

Published on: January 16, 2017

相关实验视频

Last Updated: Jul 20, 2025

An Externally-Heated Diamond Anvil Cell for Synthesis and Single-Crystal Elasticity Determination of Ice-VII at High Pressure-Temperature Conditions

An Externally-Heated Diamond Anvil Cell for Synthesis and Single-Crystal Elasticity Determination of Ice-VII at High Pressure-Temperature Conditions

Published on: June 18, 2020

$Synthesis and Microdiffraction at Extreme Pressures and Temperatures$

Synthesis and Microdiffraction at Extreme Pressures and Temperatures

Published on: October 7, 2013

$High Pressure Single Crystal Diffraction at PX^2$

High Pressure Single Crystal Diffraction at PX^2

Published on: January 16, 2017

科学领域:

材料科学材料科学材料科学
纳米技术纳米技术
固态物理固态物理

背景情况:

微热板设备对于气体传感器和高分辨率成像等应用至关重要.
传统的微热板在1600K以上失效,原因是热膨胀不匹配和电迁移.

研究的目的:

开发具有增强热稳定性和性能的微热板.
研究添加多晶钻石作为下一代微热板的材料.

主要方法:

微热板的制造由单一层添加多晶钻石制成,具有不同的几何形状.
在高真空条件下进行测试,包括排放光谱的表征和热化时间的测量.
拉曼光谱分析以了解性能降解机制.

主要成果:

钻石微热板在低功率 (<=100 mW) 的情况下达到超过2731 K的温度.
设备表现出灰色体的发射光谱和快速的毫秒热响应时间.
拉曼光谱表示累积石墨化限制了设备在高温下的性能.

结论:

添加多晶钻石是高温微热板制造的一个有前途的材料.
单层钻石设计减轻了与CTE不匹配和电迁移相关的问题.
未来的工作应该集中在缓解石墨化,以进一步提高设备的寿命.