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化学 高校生

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

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英語 高校生

日本語訳をお願いします

講 Do you use *'sicky notes? They are used by many people in schools, offces and homes every day They appeared jn the world through the inspiration and hard work of two scientists. You may be surprised to hear that it took fhem twelve years to develop this simple product. 了 Dr Spencer Silver was a scientst at an American company, In 1968, while he was trying to make a strong *“glue, he invented Something unique by accident。 j stuck well to things, but 江 Was Weak enough to be taken off easily It was not the glue Dr Silver was hoping to make, but he didnt believe that せ as a complete failare、 He asked his “Ycoworkers if his glue had any use, but no one was interested in 3 Im 1974 Dr Art Fry, another scienttst at the same company, had a problem. When he sang in church, his *?bookmarks always fell out of his songbook. Then he remembered Tr Silvers inventon. He put the glue on the back of some small pieces of ape They were the frst shcky bookmarks. Although they were very useful Je did not think fhey would sell well, because they could be used again and again. 3 One day Dr Ery wrote some questons on a small piece of paper He put some glie on the back of this note and stuck it on a report He sent the report to another scientist. The scientist wrote his answers on the note and sent it back、 In this way Dr. Fry found another use for Dr. Silver's invention 一 it could help people cormmunicate with each other. The two scientists started to work together to sell the sHcky notes as a new たを product. Im 1978, fhey gave free *"samples to many people in a city in "Tdaho. Almost everyone who tried the product said that they Hiked it By 1980 it was sold everywhere in fhe United States. Now the sticky notes are used al over the world. ・331 words :

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