Chemical Composition and Spectra Characteristics of Hydrothermal Synthetic Sapphire

Yang LÜ; Jing-cheng PEI; Yu-yang ZHANG

doi:10.3964/j.issn.1000-0593(2022)11-3546-06

Spectroscopy and Spectral Analysis, Volume. 42, Issue 11, 3546(2022)

Chemical Composition and Spectra Characteristics of Hydrothermal Synthetic Sapphire

Yang LÜ^1、1;, Jing-cheng PEI^{1、1; *;}, and Yu-yang ZHANG^2、2;

Author Affiliations

¹1. Gemmological Institute, China University of Geosciences (Wuhan), Wuhan 430074, China

²2. School of Earth Sciences, China University of Geosciences (Wuhan), Wuhan 430074, China

show less

Abstract Get PDF(in Chinese)

Figures & Tables(11)

Fig. 1. Samples' pictures
(a): Natural sapphire; (b): Flame-fusionsynthetic sapphire; (c): Hydrothermal synthetic sapphire

Download full size

View in Article

Fig. 2. Raman spectra of natural and synthetic sapphire samples

Download full size

View in Article

Fig. 3. Infrared spectra of natural and synthetic sapphire samples(400~1 000 cm^-1)

Download full size

View in Article

Fig. 4. Infrared spectra of flame-fusion and hydrothermal synthetic samples(3 000~4 000 cm^-1)

Download full size

View in Article

Fig. 5. UV-Vis spectra of natural and synthetic sapphire samples

Download full size

View in Article

Fig. 6. Three-dimensional fluorescence spectra of natural and synthetic sapphire samples
(a): Sapphire SR-1; (b): Sapphire SR-2; (c): Flame-fusion synthetic sapphire TR; (d): Natural sapphire XR-2

Download full size

View in Article

Fig. 7. Emission fluorescence spectra of natural and synthetic sapphire samples excited by 240 nm

Download full size

View in Article

Table 1. Routine gemological parameters of natural and synthetic sapphire samples

View table

View in Article

Table 1. Routine gemological parameters of natural and synthetic sapphire samples

类别	数量	颜色	重量/ct	折射率	双折射	密度/(g·cm^-3)	多色性	荧光
水热法	7颗	蓝色	0.91~1.14	均位于	均位于	3.94~4.00	三组样品均为强多色性	水热法和焰熔法
焰熔法	2颗	蓝色	1.00~1.02	1.760~	0.008~	3.90~4.00	蓝绿-蓝或	均为短波下蓝白色
天然	1颗	蓝色	1.01	1.770	0.010	3.96	浅蓝-深蓝	惰性

Table 2. Trace element of natural and synthetic sapphire samples (ppm)
View table
View in Article
Table 2. Trace element of natural and synthetic sapphire samples (ppm)
水热
法1 水热
法2 水热
法3 水热
法4 水热
法5 焰熔法合成
蓝宝石^[4]
Mg udl 19 25 14 udl nd
Si 3 319 4 426 3 908 3 192 3 527 nd
Ti 299 208 302 272 547 444
V 34 32 22 7 70 nd
Fe 508 425 477 516 662 508

Table 3. Raman displacement and attribution of nature and synthetic sapphire samples
View table
View in Article
Table 3. Raman displacement and attribution of nature and synthetic sapphire samples
拉曼位移/cm^-1 强度振动归属
SR-1 SR-2 YR-1 TR
378 378 378 378 中等 E_g
415 415 415 415 强 A_1g
428 428 428 428 弱 E_g
- 447 - 447 弱 E_g
- 576 - 575 弱 E_g
643 - 642 - 中等 A_1g
- 750 - 750 中等 E_g

Table 4. Infrared absorption peaks and the attribution of samples (3 000~4 000 cm^-1)

View table

View in Article

Table 4. Infrared absorption peaks and the attribution of samples (3 000~4 000 cm^-1)

峰位/cm^-1		强度	峰位归属
SR-7	YR-1	强度	峰位归属
3 184	-	弱	OH伸缩振动(Ti⁴⁺相关)
3 232	3 232	中等	OH伸缩振动(Ti⁴⁺相关)
3 309	3 309	强	OH伸缩振动(Ti⁴⁺相关)
3 485	-	中等	OH(含水矿物包裹体)
3 532	-	弱	OH(含水矿物包裹体)
3 562	-	中等	OH(含水矿物包裹体)

Tools

Get Citation

Copy Citation Text

Yang LÜ, Jing-cheng PEI, Yu-yang ZHANG. Chemical Composition and Spectra Characteristics of Hydrothermal Synthetic Sapphire[J]. Spectroscopy and Spectral Analysis, 2022, 42(11): 3546

Download Citation

EndNote(RIS)BibTex Plain Text

Set citation alerts for article

Save article for my favorites

Paper Information

Category: Research Articles

Received: Oct. 28, 2021

Accepted: --

Published Online: Nov. 23, 2022

The Author Email:

DOI:10.3964/j.issn.1000-0593(2022)11-3546-06

Topics

laser devices and laser physics

Lasers and Laser Optics

Laser physics

laser manufacturing

Instrumentation, Measurement and Metrology

Table 1. Routine gemological parameters of natural and synthetic sapphire samples

Table 1. Routine gemological parameters of natural and synthetic sapphire samples

Table 2. Trace element of natural and synthetic sapphire samples (ppm)

Table 2. Trace element of natural and synthetic sapphire samples (ppm)

Table 3. Raman displacement and attribution of nature and synthetic sapphire samples

Table 3. Raman displacement and attribution of nature and synthetic sapphire samples

Table 4. Infrared absorption peaks and the attribution of samples (3 000~4 000 cm-1)

Table 4. Infrared absorption peaks and the attribution of samples (3 000~4 000 cm-1)

Table 4. Infrared absorption peaks and the attribution of samples (3 000~4 000 cm^-1)

Table 4. Infrared absorption peaks and the attribution of samples (3 000~4 000 cm^-1)