化学 高校生 約5年前

RHEED法の原理と得られる7つの情報が、この英文に書かれているみたいなのですが、よく分かりません。 分かる方助けてください！🙇‍♂️

INTRODUCTION Reection high-energy electron diHiraction (RHEED) uses a Rnely collimated electron beam with energy of 10-100 keV. The beam irradiates a sample surface with gazing incidence to obtain forward scattered difraction patterms. RHEED enables us to analyze structures of crystal surfaces at atomic levels and also to in situ monitor growth processes of thin films (mo、1988: Ichimiya and Cohen、2004: Peng et al.. 2011). From the arrangement。intensity and profile of the dilraction spots in RHEED patterns as described below in detail、 one can obtain various kinds of information: (1) the periodicity (unit cells) in atomic arrangements. (2) flat- ness of surfaces. (3) sizes of grains/domains of surface structures and microcrystals grown on the surface. (3) epitaxial relation between the grown flms/islands with respect to the substrate. (5) parameters character- izing structural phase transitions. (6) individual atomic positions in the unit cells. and (7) growth styles of thin films and numbers of atomic layers grown. The most important advantages of the method are that it is quite easy to install the RHEED apparatus in Yarious types of vacuum chambers without interfering with other components of apparatuses and to do real- time monitoring during thin-Rlm growths. Because of these advantages.RHEED is nowwidelyusednotonlyin research Iabs of surfaces and thin fims. but also in device production processes in industry Low-energy electron diiraction (LEED、see article Low-ENNERcy ErecroN DirscmoN)。 in which an electron beam of 10-100 eV in energy is irradiated onto a sample surface with nearly normal incidence to obtain back- scattered difraction patterns. is also widely used to analyze the atomic structures of crystal surfaces. Since one has to make the sample face directly to the LEED

物理 高校生 約5年前

→ → → v = v1 + v2 なら 問9だったら 1.2+1.6で2.8m/sとならないんですか？ 答えは2.0m/sでした。

下面上の尋の合成 図9のように., 間 | える。尊水時の角の速度を7 m/], 流水の速度をms] 5 Aにいた船が, 船首を B へ向けて出発する。 燈は流水によって+、 : 側に流されるので, 1 秒後には図の C ではなく C へ弄違する。 よって 川岩で静止している人から見た船の速度(合成速度) ヵ 〔m/s]の大きs。 : 株分4C^の長さ, 向きはAからC' に向かう向きで表される。 っーーー モカオ つまり ⑮ 前9) 流水の速さが1.2m/s のま っすぐな川を, 船が川岸 に対して避直な方向へ船首を向けて出発する。 静水 時の船の速さを16m/s とするとき。, 川岸から見た 般の如さ(速度の大きさ)は何 m/$か。 (20m/記 2 )生) 運動とエネルギー sa

英語 高校生 5年以上前

このような問題はどのように解くのがいいんですか？

次の支間を鞍んで, 以下の間に答えなさい。 Asked 6o name the greatest inventiomリ&ince ja09/rsdo Le recenuy oledin overwieiming JumbersyO4 odrepsietors-orでom mee dme iock hnのya の 3 ) ( L Thc Bamboo Bike Studio_offers a variety of doityourselrwithrhelp choicesy jncluding single speeds seyen speeds, tourng bikes and rod Dikes. None js made completey (of vegeable mattep Wheelghandksbarshainsy and Other jareyheye the same metql components 6s regular bikes Ts mt that theyie based/on a fabulouslookingl and hardy frametthat happens to have been made at of fastgrowing grassi | he studio recently helped start s factoy in Ghana ^win the goal of providing the lowest cost and highest value bicycles to people who want them most" Bamboo grows Hike a weed in Ghana, so theres no shortage of base material Orher components are sourced from China。 The new selFsustaining rs local workers, who are now turning out what the studio says are の時6 ( (

英語 高校生 8年以上前

土地を広げるための部品を売ってください。お願いします。 って英語でなんて言うんですか？ could you sell meの後が分かりません...