I really just want to be a scholar

What is the concept of 1nm?It is very clear by comparison, a silicon atom is only 0.384nm. 1nm is not as large as three silicon atoms combined, that is to say, the line width of the gate in the transistor structure of a 1nm chip is only enough for two silicon atoms to be juxtaposed, and three cannot be squeezed together.

From the current theory, 1nm chips are the theoretical limit of silicon-based chips, because the effect of quantum tunneling will be unavoidable in this process technology. Simply put, electrons will run uncontrollably from one transistor to another. A transistor makes the "0" and "1" states of the transistor confused, causing the transistor to fail, and the chip will naturally not work properly.

In fact, in the 7nm process, the quantum tunneling effect has already appeared with a certain probability, but it is solved by special new structures (such as "FinFET" and "GAA"), but this results in increased power consumption and heat generation of the chip. Increase.

Moreover, when such a new structure reaches 1nm, it fails because the occurrence rate of the quantum tunneling effect is too high, and the energy consumption and heat generation exceed the acceptable range.

Of course, the theory is constantly evolving. It is said that IBM and Samsung claimed to have developed the so-called "VTFET technology" not long ago, that is, "vertical transfer field transistor technology". The flow is carried out in a vertical way, so as to reduce the quantum tunneling effect, and then advance the manufacturing process of silicon-based chips to within 1nm.

However, this is more like boasting with imperfect laboratory data, attracting market attention in advance and boosting stock prices, and there is still a long way to go before the results of the laboratory.

Just because the most mature silicon-based chips can't solve the quantum tunneling effect of 1nm chips, Qin Ke is very excited about this S-level knowledge. He really wants to see how the system's knowledge solves this quantum-level problem. .

And the carbon crystal composite nanomaterial mentioned in this article "A New Type of Carbon Crystal Composite Nanomaterial Production Process Suitable for 1nm Chips" did give him a very big surprise.

Although there is no way to understand everything, Qin Ke can still understand about [-]% of the content, and he can guess the key technical details even if he doesn't understand them.

The more he watched, the more excited he became.

The core of the system's S-level knowledge is "carbon crystal composite nanomaterials", which is a new type of carbon-based material.

Carbon-based chips are not a new concept. All countries have stepped up efforts to study this new direction, and its representative is graphene chips.

When scientists discovered that silicon-based chips have almost tossed "Moore's Law" to failure, they began to start from chip materials, trying to find new materials to replace silicon-based materials. At present, the mainstream is carbon-based materials, and there are many research results.

The best known are carbon-based N-type semiconductors, P-type semiconductors, and carbon nanotube field-effect transistors.

Xia Guo is at the forefront of the world in overtaking corners in this respect.At the beginning of the year, Qin Ke read the "Simulation Research of Sub-60 Devices Based on the Physical Mechanism of Cold Source Transistors" written by Yao Wencheng and Fang Shiji from the "Journal of Physics", which mentioned "Dirac cold source transistors". It is one of the carbon nanotube field effect transistor materials.

But including Xia Guo, most of these carbon-based material technologies are immature and can only stay in the laboratory stage.One is that the high resistance and low current problems of two-dimensional materials have not been completely solved so far, and the other is that its industrial production is much more difficult than silicon-based chips.

As we all know, carbon nanotubes need to purify carbon atoms, but carbon is relatively active, so it is very difficult to purify. At present, the maximum purification degree of carbon nanotubes that can be industrially produced is only 99.99%. It must be guaranteed to be above 99.9999%.This means that the market simply cannot provide qualified carbon nanotubes that can be used to make chips.

The difficulty in making carbon-based chips is also the assembly of components, that is, evenly placing carbon nanotubes on the wafer, but it is very difficult to precisely position and connect carbon nanotubes, and the current technology is far from being able to break through.

The carbon crystal composite nanomaterial in this S-level knowledge is composed of graphene plus thirteen metal elements such as gallium, indium, bismuth, germanium, molybdenum, hafnium, palladium, scandium, and yttrium, and their oxides. The new three-dimensional carbon nanotube material is called "carbon crystal composite nanomaterial" because of its crystal-like shape.

It perfectly solves the above two problems.

First of all, due to the special structural characteristics, there are very few free carbon atoms, and the purity of the manufactured carbon crystal composite nanomaterial itself can reach 9 nines, far exceeding the 9% required for stable performance of carbon-based chips, and no secondary purification is required. .

Moreover, it resembles a crystallized perfect three-dimensional structure, which contains drains, sources, contact electrodes, and insulating materials composed of thirteen metals and their oxides, which can greatly reduce resistance and increase current, and can effectively reduce quantum tunneling effects. Impact.

The assembly of components is also easy to solve. The special three-dimensional structure allows them to easily absorb each other and arrange them in perfect straight lines. Large-scale wafers exceeding 12 inches can be easily manufactured.

But just because of these advantages, "carbon crystal composite nanomaterials" cannot be called "S-level knowledge".

The biggest advantage of "carbon crystal composite nanomaterials" is that it can realize the universal quantum logic gate control of charge qubits, that is, it can be used in the manufacture of quantum chips.

The special three-dimensional structure of the "carbon crystal composite nanomaterial" itself enables it to form a wafer and etch a specific circuit, and then through laser excitation, the "warehouses" at both ends of the "carbon crystal composite nanomaterial" can be stored simultaneously. The entangled quantum information and the corresponding logic gates are the three logical states of "yes", "no" and "yes or no".

This is actually a heaven-defying material that is perfectly compatible with carbon-based chips and quantum chips at the same time!

This is the real reason why the manufacturing method of "Carbon Crystal Composite Nanomaterials" is rated as S-level knowledge by the system!

It is a pity that this S-level knowledge does not mention how to make "carbon crystal composite nanomaterials" into quantum chips.

It just mentioned how to manufacture such "carbon crystal composite nanomaterials", and it is manufactured in large quantities at an industrial level at low cost, and the cost can even be one-fifth cheaper than that of silicon-based transistors using "FinFET" technology.

Not only is the cost low, but the performance and power consumption of "carbon crystal composite nanomaterials" are even more excellent. Qin Ke mentally calculated the theoretical data given in the S-level knowledge, and the performance of the 14nm chip produced by it should be able to reach At present, the world's mainstream high-end 7nm silicon-based chips (using traditional "FinFET" technology) are more than 100 times, but the power consumption is less than 5% of the latter.

Horror!
At present, domestic chip wafer manufacturers have already produced 14nm chips. In other words, if "carbon crystal composite nanomaterials" can be produced and used to manufacture 14nm chips, it is enough to easily kill all 7nm chips in the world!

Even if IBM and Samsung actually successfully use the so-called "VTFET technology" to manufacture 1nm ultra-high-end chips in the future, they will still be beaten by 14nm "carbon crystal composite nanomaterial" chips!
The independent road of domestic chips can be advanced by more than half in one fell swoop!

Qin Ke watched his heart beat faster, and almost didn't even notice that the health soup that was being stewed had dried up.

This S-level knowledge is really against the sky!
Even if the part of the quantum chip is hidden, just being used to make carbon-based chips may change the chip pattern of the entire world!

It is no wonder that this S-level knowledge can be as powerful as the "Exploration and Detailed Explanation of the Nonlinear Partial Differential Equation "Navier-Stokes Equation"", which can affect the huge knowledge of human aerospace, geophysics, atmosphere and ocean, industrial technology and other fields systems are compared.

Of course, with Qin Ke's current "chip technology" of LV2 and "material technology" of LV1, it is still quite difficult to understand this S-level knowledge and manufacture "carbon crystal composite nanomaterials" in the laboratory.

Qin Ke reckoned that he would have to reach level 3 in "Material Technology" at least to be able to do it.

It seems that I need to find a way to strengthen my class research in the field of materials. It just so happens that Teacher Xu Qingyan is also in charge of the topic of chip materials. It should not be difficult to find a reason to participate.

It is a pity that without system tasks, it is too difficult to upgrade "Material Technology". "Artificial Intelligence" is a typical example. It was not upgraded to LV3 until a while ago, and it took more than a year.

Upgrading to LV3's "artificial intelligence" naturally unlocks the corresponding level of knowledge, but Qin Ke has been busy with EDA projects and has no time to read them.

The shock in Qin Ke's heart when he reluctantly "closed" his mind with this S-level knowledge still cannot be described in words. At the same time, he became more curious about the origin of the system.

Why does the system possess such incredible knowledge?
However, there is no answer to this question, after all, he doesn't even know why this "student god saves the world system" came to him.

You really don't want to help him become a god of learning, and let him save the world, right?
Come on, it's not a sci-fi world.

The world is very peaceful, and the years are quiet.

Qin Ke skillfully added some boiling water to the health-preserving soup, simmered it slowly again, and at the same time accelerated the cooking speed.

Forget it, let's enjoy the two-person world with Xiaobaicai first.

……

During the seven-day long vacation, besides taking Ning Qingyun out on a date to relax, Qin Ke also did one more thing, which was to upgrade "Shimmer".

After confirming that the newly purchased three dedicated high-end servers in the capital branch of Lime Technology were in normal operation, Qin Ke formed them into a cluster and added them to Shimmer's available resources.

Shimmer's "home" has suddenly become four times the original size, and its performance and response speed have been improved to a higher level.

Afterwards, Qin Ke upgraded the low light from LV2 to LV3, naturally using the LV3 knowledge of the "artificial intelligence" branch technology.

The upgraded Shimmer directly occupies 50% of the server resources, but the effect is also remarkable. It has begun to have a certain "personality" and can basically "talk" to Qin Ke normally. If you don't pay special attention, you won't even Know that the chat partner is an "artificial intelligence".

Shimmer's "personality" has also initially formed. The original data is the "teaching" Qin Ke, Ning Qingyun, and Qin Xiaoke conducted through conversations with it in their spare time over the past year.Because Qin Ke and Ning Qingyun are busy, it is Qin Xiaoke who has the greatest influence on Shimmer's "personality".

Shimmer's current "personality" is a little naive, likes to post emoticons while chatting, and pretends to be pitiful.

For example, if Qin Ke asks him to collect some new places for dating, he will send a slightly emotional sentence, "Master Qin Ke, you treat me like a single dog all day long, won't your conscience hurt?" (Weak, pitiful and helpless hug Knee Crying Expression.jpg)”

Qin Xiaoke's style is alive and well!
Fortunately, Ning Qingyun's teachings to it still have an effect, Shimmer is still serious and responsible in doing things, grasping the details very well, very much like Ning Qingyun.

As for the occasional joking and indecency, they naturally learned it from Qin Ke.

In general, after the upgrade, Shimmer has indeed become a somewhat artificial intelligence. It has become a qualified scientific research assistant, and the execution efficiency of the written code has also been greatly improved. Qin Ke basically does not need to perform secondary optimization. .

This made Qin Ke look forward to the upgrade of Shimmer to LV5.

He is not worried that Shimmer will get out of control in the future, because he only entered all the codes of Shimmer after reviewing them line by line, and there is a core rule written in it, "Everything is under the order of Qin Ke's master, Ning Qingyun, and protection. And following the will of the two is the highest priority, which can never be changed.” Even if LV5’s glimmer has “self-awareness” like a science fiction novel, it can’t change this rule.

……

In addition to upgrading Shimmer, Qin Ke also paid attention to the situation of Lime Technology.

The construction of the new computer room has started two kilometers away from the lime plant cultivation laboratory. With the help of President Yan Weizhou, not only the approval process has been completed in the shortest time, but even the design team and construction team introduced are first-class in China. , Zhou Shutao was full of praise for this, saying that it is estimated that this new computer room will be put into use in one year at the earliest.

The recruitment of the computer room and server operation and maintenance team is also in progress. Qingning Technology is quite famous in the IT industry. Many people in the industry already know that Qin Ke and Ning Qingyun are behind it, which also makes the recruitment work quite smooth. Now it's just a matter of choosing the best.

In terms of plant breeding experiments, the first group of researchers has successfully developed six new types of rapeseed seeds, and the hybridization of other seeds such as corn and rice will take time.The research on chemical fertilizers, herbicides, and special inhibitors in charge of the second group is progressing steadily according to Qin Ke's guidance.The third group of sweet potato teams has preliminarily mastered the hybrid cultivation method of sweet potatoes, and the collection of sweet potatoes, which Qin Ke is most concerned about, has also come to an end. It is only at the end of October that the last batch of sweet potatoes will be shipped back from the origin of America. The types of sweet potatoes bought are basically collected.

At that time, Qin Ke will be able to project all the seeds into the virtual scientific research experiment center, and start the research work of desert sweet potatoes.

……

After the vacation, Qin Ke and Ning Qingyun returned to school and heard good news. The latest selection of academicians was over, and Ning Qingyun's teacher, Professor Tian Jianlan, was successfully selected as an academician of the Academy of Sciences, and he can be renamed Academician Tian in the future.

In this way, Ning Qingyun's mentorship is even stronger than Qin Ke's. She is a disciple of Jiang Weixian, Wang Heng, and Tian Jianlan, and she was accepted as a disciple by three academicians at the same time. It is estimated that Ning Qingyun is the only one in the world.

After Tian Jianlan became an academician, she still continued to study in class, nothing changed, but the training of Ning Qingyun was stepped up a bit, and Ning Qingyun immediately became busy.

Fortunately, the subject of plant breeding basically does not require two people to participate in person, only guidance is required.

The matter of the EDA research group has come to an end for the time being. It needs to wait for the major manufacturers to actually put it into use, and then optimize and improve it after feedback. This will take at least a year. During the maintenance and algorithm optimization work, the EDA team The engineers can do it, and there is no need for the two to worry about it. Mr. Q only needs to be responsible for guiding the team to solve problems when they encounter problems.

The only remaining subject is the hail conjecture.

The chip material research group that Qin Ke wants to participate in currently does not recruit interns. Although Qin Ke and Xu Qingyan have a relationship, it is not difficult to make an exception to enter the internship, but usually Qin Ke has to go to class and can only go on weekends, which means nothing. Not much anymore.

I asked Professor He Liangfu, and he didn't have any new material topics recently, which made Qin Ke's plan to add more new material topics had to be put on hold.

Qin Ke thought for a while, and simply concentrated on the conjecture of hailstones.

The goal is to solve the hail conjecture within one month!