High-pressure synthesis, crystal structure, and physical properties of NaAlB14 single crystals
High-pressure synthesis, crystal structure, and physical properties of NaAlB14 single crystals
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NaAlB14单晶的高压合成、晶体结构及物理性质
DOI:
10.1016/j.ceramint.2021.09.257
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发表时间:
2021-09
影响因子:
5.2
通讯作者:
Dongli Yu
中科院分区:
文献类型:
--
作者:
Zhikang Yuan;Wentao Hu;Dongli Yu
Pure NaAlB14single crystals were successfully synthesized directly from Na, Al, and B at high pressure and high temperature, different from the previously reported method, that is, synthesized from Na2B4O7, Al, and B. The growth of NaAlB14single crystals was promoted by increasing the reaction temperature. The atomic structures of NaAlB14single crystal along the [100], [010], [001], and [021] axes were characterized by using a scanning transmission electron microscope. The Raman spectra of NaAlB14were investigated theoretically and experimentally, and they showed the expected oscillations of the covalent framework. In addition, photoluminescence spectra indicated that NaAlB14is a semiconductor luminescence material with red (1.68 eV) and near-infrared (1.50 and 1.36 eV) emission characteristics. The band structure revealed that NaAlB14is an indirect band gap semiconductor with a wide band gap of 2.22 eV.
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DOI:
10.1063/1.35609
发表时间:
1986-04
期刊:
--
影响因子:
--
作者:
H. Werheit
通讯作者:
H. Werheit
DOI:
10.1016/0921-5107(94)04023-w
发表时间:
1995
影响因子:
3.6
作者:
H. Werheit
通讯作者:
H. Werheit
DOI:
10.1016/0022-5088(81)90234-4
发表时间:
1981-11
期刊:
Journal of The Less Common Metals
影响因子:
--
作者:
I. Higashi
通讯作者:
I. Higashi
影响因子:
6.2
作者:
S. Okada;T. Shishido;T. Mori;K. Iizumi;K. Kudou;K. Nakajima
通讯作者:
S. Okada;T. Shishido;T. Mori;K. Iizumi;K. Kudou;K. Nakajima
影响因子:
3.7
作者:
Kresse, G;Furthmuller, J
通讯作者:
Furthmuller, J