| 6 | 1/1 | 返回列表 |
| 查看: 1281 | 回復(fù): 5 | ||||
348813172木蟲(chóng) (小有名氣)
|
[交流]
關(guān)于TEM入射束偏轉(zhuǎn)角度的求解 已有2人參與
|
|
Electron diffraction from a powder material gives a ring pattern. When the incoming beam is tilted an angle θ relative to the optical axis the ring pattern moves. Calculate the angle θ the incoming beam has been tilted when the center of the DP is moved so it falls on the {222} ring of the original pattern. The material is Pt (fcc) with a lattice constant 0.392 nm. The acceleration voltage is 100 kV. (Courtesy Anders Thølen.) 這個(gè)不知道怎么求解啊,請(qǐng)各位大俠賜教了 |
科研、投稿中可能遇到的小問(wèn)題 |
木蟲(chóng) (正式寫(xiě)手)

專(zhuān)家顧問(wèn) (著名寫(xiě)手)
![]() |
專(zhuān)家經(jīng)驗(yàn): +41 |
|
我個(gè)人想法是:就當(dāng)晶體相對(duì)電子束轉(zhuǎn)了一下,正好Pt(fcc)的222晶面族發(fā)生衍射,也就是說(shuō)2dsinθ=λ λ就是100 kV的電子波長(zhǎng),d就是222晶面間距(別告訴我你這兩個(gè)都不知道咋算),θ就是你要的角度了。 思路應(yīng)該差不多這樣吧,可能會(huì)有偏差,請(qǐng)高手指點(diǎn)。 |

木蟲(chóng) (小有名氣)
木蟲(chóng) (小有名氣)
專(zhuān)家顧問(wèn) (著名寫(xiě)手)
![]() |
專(zhuān)家經(jīng)驗(yàn): +41 |

| 6 | 1/1 | 返回列表 |
| 最具人氣熱帖推薦 [查看全部] | 作者 | 回/看 | 最后發(fā)表 | |
|---|---|---|---|---|
|
[考研] 085600材料與化工 +5 | 安全上岸! 2026-03-16 | 5/250 |
|
|---|---|---|---|---|
|
[考研] 化工學(xué)碩306求調(diào)劑 +10 | 42838695 2026-03-12 | 10/500 |
|
|
[考研] 070300化學(xué)319求調(diào)劑 +6 | 錦鯉0909 2026-03-17 | 6/300 |
|
|
[考研] 0703化學(xué)調(diào)劑 +3 | 妮妮ninicgb 2026-03-17 | 3/150 |
|
|
[基金申請(qǐng)] 被我言中:新模板不強(qiáng)調(diào)格式了,假專(zhuān)家開(kāi)始管格式了 +4 | beefly 2026-03-14 | 4/200 |
|
|
[考研] 290求調(diào)劑 +3 | p asserby. 2026-03-15 | 4/200 |
|
|
[考研] 302求調(diào)劑 +4 | 小賈同學(xué)123 2026-03-15 | 8/400 |
|
|
[考研] 285化工學(xué)碩求調(diào)劑(081700) +9 | 柴郡貓_ 2026-03-12 | 9/450 |
|
|
[考研] 278求調(diào)劑 +3 | Yy7400 2026-03-13 | 3/150 |
|
|
[考研] 一志愿,福州大學(xué)材料專(zhuān)碩339分求調(diào)劑 +3 | 木子momo青爭(zhēng) 2026-03-15 | 3/150 |
|
|
[考研]
|
zhouzhen654 2026-03-16 | 3/150 |
|
|
[考研] 求老師收留調(diào)劑 +4 | jiang姜66 2026-03-14 | 5/250 |
|
|
[考研] 070305求調(diào)劑 +3 | mlpqaz03 2026-03-14 | 4/200 |
|
|
[考研] 080500,材料學(xué)碩302分求調(diào)劑學(xué)校 +4 | 初識(shí)可樂(lè) 2026-03-14 | 5/250 |
|
|
[考研] 材料與化工(0856)304求B區(qū)調(diào)劑 +6 | 邱gl 2026-03-12 | 7/350 |
|
|
[考研] [0860]321分求調(diào)劑,ab區(qū)皆可 +4 | 寶貴熱 2026-03-13 | 4/200 |
|
|
[考研] 一志愿西南交大,材料專(zhuān)碩317求調(diào)劑 +5 | lx8568 2026-03-11 | 5/250 |
|
|
[考研] 求調(diào)劑 +5 | 一定有學(xué)上- 2026-03-12 | 5/250 |
|
|
[考研] 070303一志愿西北大學(xué)學(xué)碩310找調(diào)劑 +3 | d如愿上岸 2026-03-13 | 3/150 |
|
|
[考研] 081200-11408-276學(xué)碩求調(diào)劑 +3 | 崔wj 2026-03-12 | 4/200 |
|