测量了钛宝石晶体在可见光至近红外区的吸收光谱,以及傅里叶变换红外光谱.主吸收、残余吸收以及氢氧根的振动吸收带的强度间的关系显示出:钛宝石晶体中的红外残余吸收不是由与钛离子相联系的结构缺陷引起的,残余吸收确实是Ti3+-Ti4+离子结对的结果.Ti3+-Ti4+离子结对的位置很可能位于基质晶体与晶体中异相物(TiO2)的界面区或异相内,即钛宝石晶体中的红外残余吸收是位于基质晶体与异相物(TiO2)的界面或异相物中的Ti3+离子的3d电子的能级跃迁的结果.
参考文献
| [1] | Aggarwal R L et al.Residual infrared absorption in as-grown and annealed crystals of Ti:Al2O2 [J].IEEE.J.Quant.Elect.,1988,24(6):1003 |
| [2] | 夏上达,陈伟等.可调谐激光晶体Ti:A12O3的残余红外吸收[J]人工品体学报(第九届全国晶体生长与材料会议论挝1991,20(3-4):371 |
| [3] | Yamaga M et al.Optical and electron spin resonance spectroscopy of Ti3+ and Ti4+ in Al2O3 [J].J.Appl.Phys.,1994,75(2):1111 |
| [4] | Kokta N R.Effects and growth conditions and post-growth thermal treatment on the quality of titanium-doped sapphire.in Tunable Solid-State Lasers II[M].ed.by Budgor A B,Esterowitz L,Deshazer LG.Berlin:SpringVerlag,1986.89 |
| [5] | Vanniasinkam J et al.Photopyroelectric deconvolut ion of bulk and surface optical-absorption and nonradiativeenergy conversion efficiency spectra in Ti:Al2O3 crystals [J].J.Appl.Phys.,1994,75(12):8090 |
| [6] | 曾贵平,殷绍唐,秦青海等.钛宝石晶体中的位错和红外残余吸收的关系[J]人工晶体学报,2000.4:(待发表) |
| [7] | Volynets F K,Sidora Y A et al.J.Appl.Spectr.,1972,17:1088 |
| [8] | Eigenmann K,Gunthard H H.Hydrogen incorporation in doped α-A12O3 by high temperat ure redox reactions [J].Chem.Phys.Lett.,1971,12(1):12 |
| [9] | Eigenmann K,Kurtz K et al.Helv.Phys.Acta.,1972.45:452 |
| [10] | Moon A R,Phillips M R.Defect clustering in H,Ti:o-A12O3 [J].J.Phys.Chem.Solids.1991,52(9):1087 |
| [11] | 曾贵平,殷绍唐,于锡玲.宝石晶体中氢氧根离子的红外振动吸收[J].量子电子学报,2001,18(3):202～206 |
| [12] | Mohapatra S K,Kroger F A.Defect structure of α-Al2O3 doped with tit anium [J].J.Am.Ceram.Soc.,1977,60(9-10):381 |
| [13] | Phillips D S.Heuer A H et al.Precipitat ion in star sapphire I,Ⅱ and Ⅲ [J].Phil.Mag.A.1980,42(3):385～432 |
| [14] | Fahey R E,Strauss A J et al.Growth of laser-quality Ti:Al2O3 crystals by a seeded gradient-freeze technique.in Tunable Solid-State Lasers II [M].ed.by Budgor A B,Esterowitz L,Deshazerl,G.Berlin:Spring-Verlag.1986.82 |
| [15] | Aggarwal R L,Sanchez A et al.Magnetic and optical measurements on Ti:Al2O3 crystals for laser applieations:concentration and absorption cross-section of Ti3+ ions [J].Appl.Phys.Lett.,1986,48:1345 |
| [16] | Catlow C R A,James R et al.Defect energetics in o-Al2O3 and rutile TiO2 [J].Phy.s.Rev.B.1982 25(2):1006 |
| [17] | Grimes R W.Solution of MgO,CaO,and TiO2 in α-A12O3 [J].J.Am.Ceram.Soc..1994.77(2):378 |
| [18] | Lagerlof K P D,Mit chell T E et al.J.Am.Ceram.Soc.,1989,72 (11):2159 |
| [19] | Phillips D S,Heuer A H et al.Precipitation in star sapphire Ⅰ,Ⅱ and Ⅲ [J].Phil.Mag.A.1980.42(3):385～432 |
| [20] | Moon A R,Phillips M R.Titania precipitation in sapphire containing iron and titanium [J].Phys.Chem.Minerals.1991,18:2.51 |
| [21] | Bursill L A,Blanchin M G.Interphase struetures observed as alumina precipitates in rutile [J].Phil May.A.1989.60(5):631 |
| [22] | Low W et al.Electron spin resonance of magnetic ions in complex oxides.in Solid State Physics [C].vol.17,edited by Frederick Seitz and David Turnbull.London:Academic Press Inc.,1965.155 |
| [23] | 陈军,林理彬,卢铁城.金红石中F和F+心电子结构及其吸收光谱研究[J].无机材料学报,1999,14(3):363 |
| [24] | Okaya A.ESR spectra of OH,Ti3+ ions and color centers in rutile as revealed by a high sensitivity dielectric resonance spectrometer.in Proc.lst intern.Conf.Paramagnetic Resonance [C].London:Academic Press Inc.,1963.687 |
| [25] | Rakina L G,Zaritski I M et al.Soviet Phys.Solid State.1990,31:1112 |
上一张
下一张
上一张
下一张
计量
- 下载量()
- 访问量()
文章评分
- 您的评分：
-
10%
-
20%
-
30%
-
40%
-
50%