| 5 | 1/1 | 返回列表 |
| 查看: 1203 | 回復(fù): 4 | |||
| 當(dāng)前只顯示滿足指定條件的回帖,點擊這里查看本話題的所有回帖 | |||
[求助]
四方相鈦酸鋇
|
|||
| 四方相鈦酸鋇的晶胞參數(shù)及標(biāo)準(zhǔn)PDF卡片! |
木蟲 (正式寫手)
|
*data for ICSD #27970 Coll Code 27970 Rec Date 1980/01/01 Mod Date 1985/01/15 Chem Name Barium Titanate Structured Ba Ti O3 Sum Ba1 O3 Ti1 ANX ABX3 D(calc) 6.07 Title On Phase Transformation of Ba Ti O3 Author(s) Miyake, S.;Ueda, R. Reference Journal of the Physical Society of Japan (1947), 2, 93-97 Unit Cell 3.996 3.996 3.996 90. 90. 90. Vol 63.81 Z 1 Space Group P m -3 m SG Number 221 Cryst Sys cubic Pearson cP5 Wyckoff c b a Red Cell P 3.996 3.996 3.996 90 90 90 63.808 Trans Red 1.000 0.000 0.000 / 0.000 1.000 0.000 / 0.000 0.000 1.000 Comments The structure has been assigned a PDF number (calculated powder diffraction data): 01-073-6278 Temperature in Kelvin: 393 Structure type : CaTiO3 X-ray diffraction (powder) No R value given in the paper. At least one temperature factor missing in the paper. Atom # OX SITE x y z SOF H Ba 1 +2 1 a 0 0 0 1. 0 Ti 1 +4 1 b 0.5 0.5 0.5 1. 0 O 1 -2 3 c 0 0.5 0.5 1. 0 *end for ICSD #27970 |
木蟲 (正式寫手)
|
*data for ICSD #15453 Coll Code 15453 Rec Date 1980/01/01 Mod Date 2007/08/01 Chem Name Barium Titanate Structured Ba (Ti O3) Sum Ba1 O3 Ti1 ANX ABX3 D(calc) 6.02 Title An X-ray diffraction study of tetragonal barium titanate Author(s) Evans, H.T.jr. Reference Acta Crystallographica (1,1948-23,1967) (1961), 14, 1019-1026 Phase Transition (1992), 38, 127-220 Unit Cell 3.9945 3.9945 4.0335 90. 90. 90. Vol 64.36 Z 1 Space Group P 4 m m SG Number 99 Cryst Sys tetragonal Pearson tP5 Wyckoff c b2 a R Value .0372 Red Cell P 3.994 3.994 4.033 90 90 90 64.359 Trans Red 1.000 0.000 0.000 / 0.000 1.000 0.000 / 0.000 0.000 1.000 Comments Stable from 273 to 403 K (2nd ref., Tomaszewski), from 403 to 1733 K cubic (Pm3-m) The structure has been assigned a PDF number (calculated powder diffraction data): 01-072-0138 The structure has been assigned a PDF number (experimental powder diffraction data): 5-626 Structure type : PbTiO3 X-ray diffraction from single crystal Atom # OX SITE x y z SOF H Ba 1 +2 1 a 0 0 0 1. 0 Ti 1 +4 1 b 0.5 0.5 0.512 1. 0 O 1 -2 1 b 0.5 0.5 -.026 1. 0 O 2 -2 2 c 0 0.5 0.5 1. 0 Lbl Type Beta11 Beta22 Beta33 Beta12 Beta13 Beta23 Ba1 Ba2+ 0.27 0.27 0.28 0 0 0 Ti1 Ti4+ 0.46 0.46 0.3 0 0 0 O1 O2- 0.9 0.9 0.5 0 0 0 O2 O2- 0.6 0.9 0.9 0 0 0 *end for ICSD #15453 |
| 最具人氣熱帖推薦 [查看全部] | 作者 | 回/看 | 最后發(fā)表 | |
|---|---|---|---|---|
|
[考研] 求調(diào)劑 +5 | 家佳佳佳佳佳 2026-03-29 | 5/250 |
|
|---|---|---|---|---|
|
[考研] 一志愿南昌大學(xué)324求調(diào)劑 +5 | hanamiko 2026-03-29 | 5/250 |
|
|
[考研] 一志愿鄭州大學(xué),080500學(xué)碩,總分317分求調(diào)劑 +8 | 舉個栗子oi 2026-03-24 | 9/450 |
|
|
[考研] 298求調(diào)劑 +3 | 種圣賜 2026-03-29 | 3/150 |
|
|
[考研] 086000生物與醫(yī)藥調(diào)劑 +5 | Feisty。 2026-03-28 | 9/450 |
|
|
[考研] 本科雙非材料,跨考一志愿華電085801電氣,283求調(diào)劑,任何專業(yè)都可以 +6 | 芝士雪baoo 2026-03-28 | 8/400 |
|
|
[考研] 289求調(diào)劑 +13 | 新時代材料 2026-03-27 | 13/650 |
|
|
[考研] 壓國家一區(qū)線,求導(dǎo)師收留,有恩必謝! +7 | 迷人的哈哈 2026-03-28 | 7/350 |
|
|
[考研] 346求調(diào)劑 一志愿070303有機(jī)化學(xué) +3 | 蘿卜燉青菜 2026-03-28 | 3/150 |
|
|
[考研] 08開頭275求調(diào)劑 +4 | 拉誰不重要 2026-03-26 | 4/200 |
|
|
[考研] 315調(diào)劑 +4 | 0860求調(diào)劑 2026-03-26 | 5/250 |
|
|
[考研] 考研調(diào)劑 +9 | 小蠟新筆 2026-03-26 | 9/450 |
|
|
[考研] 351求調(diào)劑 +4 | 麥克阿磊 2026-03-24 | 4/200 |
|
|
[考研] 總分322求生物學(xué)/生化與分子/生物信息學(xué)相關(guān)調(diào)劑 +5 | 星沉uu 2026-03-26 | 6/300 |
|
|
[考研] 環(huán)境專碩324分求調(diào)劑推薦 +5 | 軒小寧—— 2026-03-26 | 5/250 |
|
|
[考研] 309求調(diào)劑 +4 | gajsj 2026-03-25 | 5/250 |
|
|
[考研] 0854AI CV方向招收調(diào)劑 +4 | 章小魚567 2026-03-23 | 4/200 |
|
|
[考研] 285求調(diào)劑 +3 | AZMK 2026-03-24 | 3/150 |
|
|
[考研] 293求調(diào)劑 +7 | 加一一九 2026-03-24 | 7/350 |
|
|
[考研] 333求調(diào)劑 +3 | ALULU4408 2026-03-23 | 3/150 |
|