Huayu for engineering students

Chapter 122 Electron Microscope ([-])

Wang Xu's appointment was originally scheduled for a few days later, but something went wrong with the material preparation for today's appointment, so Wang Xu was brought forward. As a result, Professor Duan and Senior Brother Zhang stayed up all night yesterday to confirm the experimental procedures.

Professor Duan went back to sleep for a while in the middle of the night, Senior Brother Zhang didn't sleep at all, and Wang Xu didn't say anything. After all, this project is not just his own. Both Professor Duan and Senior Brother Zhang will benefit greatly from it. Absolutely no loss.

But he was sure, but Professor Duan and the others didn't know.They stay up late only because of their responsibilities and habits, and it can be seen that their academic attitude is quite serious.

The scanning and observation of the electron microscope is not complicated. Turn on the machine, fix the sample, fix the spot, illuminate, take pictures, process with the computer, harvest the pictures, and analyze the pictures, that's all.

The electronic microscopes of later generations can directly produce pictures in real time, but the current ones are still not good. It takes a short time to wait, and it takes some time to adjust the brightness of the electrons. Baba made enough points.

As for the analysis, I will analyze it slowly after I take it back. Professor Duan handed over this work directly to Senior Brother Zhang. The second author's signature needs to be contributed, and Wang Xu has already taken the lead. Let Senior Brother Zhang do the chores.

Wang Xu also had no objection, and was happy to relax.There are hundreds of pictures, and I can only observe, analyze, and calculate the data on the small broken monitor, and I am tired of thinking about it.This is not something that can be done in a day or two. Why not do it with a professional helper.

As for sharing the honor with others, Wang Xu didn't take it seriously.What's the big deal? After traveling through so many worlds, besides my own abilities, what else can I take away?

A few more people sharing will only add more assistance to one's own path, not hinder it, and eating alone is the easiest thing to attract people's hatred.This kind of distribution of credit, others do not know, how can insiders not know, it is clear at a glance who is leading the matter.

As for Professor Duan, he is still counting on him for various follow-up researches on graphene. It is possible that Wang Xu is stuck in this field and cannot come out.Wang Xu is in charge of breaking the sticks, there must be some people behind to clean up.Well, Professor Duan, the tool picker is online.

After studying the scanning electron microscope for a day, Wang Xu left early, and he had to go to the field.I lost a month's points in Xiangjiang, and I have to make up for it slowly.So after returning to the imperial capital, he began to rush to the market every day, rain or shine.

-

"102 Wang Xu phone"

Just on the afternoon of the third day, Wang Xu, who was about to go back to the small courtyard to clean up the house and welcome Wang Fei's arrival, was yelled at by the uncle in charge to answer the phone.

"Wang Xu, we found out. We really found out. You're right." Professor Duan called. His voice was trembling, and he was very excited.

"Well, it's good if you find it. I'm thinking about it." Wang Xu's voice is also a little excited. After all, he is not sure whether it will be successful. The high probability does not mean that it will be found. There are still 10 heads in the coin toss. time.

"Why are you so calm? You don't know what this discovery means." Professor Duan seemed to be shocked by Wang Xu's flat tone.

"Two-dimensional materials, this is the first time in the world to be confirmed, a great achievement, I am very excited." Wang Xu said flatly.

"You got excited with a hammer." Professor Duan complained unbearably.

"Are you from Yizhou?" Wang Xu felt that he must also be from Yizhou, and the hammer was their dialect.

"I am, how do you know?" Professor Duan's excitement was completely interrupted, and even the topic was misleading.

"Only Yizhou people like to use a hammer." Wang Xu explained calmly, but he was also very excited inside. After all, there is a big difference between being able to find it and finding it.But after all, it is not as exciting as the kind of miracle that happened without knowing it until it was discovered.

"Why are you focusing so strangely?" Professor Duan also calmed down. He couldn't understand this student, he was passionate for a while, and calm for a while.

"Well, isn't it strange? My small courtyard has kept a band from Yizhou for a long time." Wang Xu explained.

"Yizhou band, rock band?" Professor Duan was completely misled without knowing where it went.

"Well, rock band, I can invite you to see when they perform." Wang Xu warmly invited.

"Okay, okay, eh, no, what did I want to inform just now, Hammer." Professor Duan was completely led astray, suddenly came to his senses, and scolded Wang Xu angrily.

"Haha, I'm just kidding with you. You need to calm down every time you have a big event, and you have to practice your meticulous kung fu." Wang Xu said it deliberately old-fashioned.

"You're right, I'm overly excited, isn't it the world's number one, isn't it a Nobel Prize-winning achievement, why don't you just come and take a look, to make sure?" Professor Duan yelled angrily.

"Here it is, here it is, Professor Duan calm down, it's time to arrive." Wang Xu stopped interrupting, and hurriedly responded. He was actually excited, and couldn't help but start teasing.

Wang Xu got on the big motorcycle and drove towards the office building of the Department of Materials at a fast speed.He generally doesn't like to ride a motorcycle on campus. There are too many bicycles and it is easy to get scratched. In the current imperial capital, it is not easy for you to touch up the paint.

But today, he was really excited and wanted to see the results quickly, so he simply rode on the big motorcycle and passed in a hurry.

When Wang Xu arrived, Professor Duan and Senior Zhang were still observing the pictures on the screen.Seeing Wang Xu's arrival, Zhang Xuechang hurriedly greeted him, asked him to come and take a look, and then opened a specific photo.

"Look at this, it should be the two-dimensional material we are looking for. I just calculated that the thickness is about 0.35 nanometers, which is equivalent to the height of two carbon atoms. Considering the existence of carbon bonds, this height cannot be two layers of carbon atoms.

Teacher Duan and I have already discussed it, and we can confirm that this is a single-layer carbon structure. The specific structure needs to be analyzed, but the existence of single-layer graphite can definitely be confirmed. "

The black-and-white grayscale image shows many large and small mottled black blocks, but there is a transparent square with obvious borders and a small corner mark.

It seems, Wang Xu secretly felt that this is really similar to the pictures he saw on the Internet in later generations. Of course, he also knows that the thickness can be calculated only if there are folded corners. It is really difficult to judge a flat square, so All the pictures confirming the existence of graphene are similar.

Then naturally there was a professional discussion, and several people unanimously concluded that the material with a single layer of carbon atoms was definitely confirmed to exist.The next step is to divide it into two pieces.

The first piece is to continue to search to see if there are other illustration pictures, after all, only less than one-fifth of the pictures have been analyzed.

The second part is to analyze the structure and physical characteristics of this material, and verify the arrangement of atoms.

These two pieces are beyond the reach of Wang Xu, who has two knives. Professor Duan will take over the whole process. He will carry out further research and report this discovery to the department.It depends on whether to publish the paper on the discovery first, or to do some other research first.

There is nothing wrong with Wang Xu. Historically, this thing was discovered ten years later. If there are no accidents, whatever happens.

Anyway, there's nothing wrong with him, he can go on vacation with his woman without worry.

　Friendly recommendation

　　


(End of this chapter)