TGS crystals doped with urea have been grown from aqueous solution.The pyroelectric properties of UTGS crystals are determined.The results show that UTGS has better pyroelectric properties.

• 利用降温法生长掺尿素的UTGS单晶,测试了晶体的热释电和介电特性。结果表明,尿素的掺杂提高了晶体的热释电性能。