Samples search and study of ceramics in jewelries, gemstones and in history, arts and modern society
The age of earth is around 4.5 billion years, and it is evidenced by the oldest rock of ~ 4.3 billion years. The earth crust consists of > 80% ceramics majorly in the forms of rocks, sands and soils. Ceramics have played crucial roles in human-being history, social evolvement, and culture and art...
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Format: | Final Year Project |
Language: | English |
Published: |
2012
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Online Access: | http://hdl.handle.net/10356/50124 |
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Institution: | Nanyang Technological University |
Language: | English |
Summary: | The age of earth is around 4.5 billion years, and it is evidenced by the oldest rock of ~ 4.3 billion years. The earth crust consists of > 80% ceramics majorly in the forms of rocks, sands and soils. Ceramics have played crucial roles in human-being history, social evolvement, and culture and arts developments. Diamond, emerald, ruby and jade are only a few samples of ceramic gems and jewels. Electronic ceramics have conduction behaviours from insulators, to semiconductors, to metallic conductors, to superconductors, and ionic conductors; and have many other very attractive properties such as opto-electrical property, thermoelectricity, ferroelectricity, piezoelectricity, magnetic property, electrochemistry, etc. They have been widely used as sensors, actuators, transducers, and many electronics devices. |
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