Awesomely explained! Ppl tend to say things were better before, but I can't tell you how grateful I am to this era where we can learn a language and be able to have an MIT guy explaining things to us at the cost of an internet connection. so thank you so much guys sharing this with the world! You're the best!!!
Very good description, thanks for uploading. Students nowadays are lucky that there are videos like this on the internet. It really helps with visualizing what a semiconductor is.
but question remains .......here valance electron and covalent electron are in two different level and as we can guess only valance electron can conduct electric current only but how about covalent bond as it is stable and in a inert state. In covalent bond there would be atmost a hole either by doping or by ejecting electron due to incoming energy as light and heat from outside. The hole in covalent gives a electron in valance band and it is in both p type and n type material. The hole must be in covalent bond only and electron helping the current only in valance bond onl🤔🤔🤔🤔🤔
Really nice video... Since, higher the number of free electron--> Higher the conductivity... Is this applicable for doping with di-valent or hexa-valent atoms???
Their outer shells bond. Electrons in outer shells have higher average energy and travel farther from the nucleus than those in inner shells. This makes them more important in determining how the atom reacts chemically and behaves as a conductor, because the pull of the atom's nucleus upon them is weaker and more easily broken
Chemical bonds are the forces of attraction that tie atoms together. Bonds are formed when valence electrons, the electrons in the outermost electronic “shell” of an atom, interact. ... Atoms with equal or similar electronegativity form covalent bonds, in which the valence electron density is shared between the two atoms. Think of the outer shell as an elemental vulnerability we have learned to hijack.
They keep referring to "doping a semiconductor" when, in fact, you are doping an insulator (silicon) to have the potential to become conductive. You are doping to MAKE a semiconductor: not doping a semiconductor.
This video is simplified, in near absolute 0 temperatures, semiconductors work as insulator. But in room temperature, tjey gain enough heat from the environment to conduct a few electrons as those electron get over the forbidden band to conduction band in valance shell. So, they are semiconductor even in intrinsic state as well. Just really really weak ones
Odd, you would assume that since electrons are negatively charged then the phosphorus would be considered as negatively charged, and the boron positively, due to the amount of valance electrons shown. Jeez, i feel like when i watch these videos i get more questions than answers.
phosphorus is initially neutral with same number of protons and electrons. When it loses one of its valence electron, it becomes positively charged because now it has one less electron than before. initally, proton # = electron #. after one electron drifts away, proton # > electron #. (here # means count.)
Awesomely explained! Ppl tend to say things were better before, but I can't tell you how grateful I am to this era where we can learn a language and be able to have an MIT guy explaining things to us at the cost of an internet connection. so thank you so much guys sharing this with the world! You're the best!!!
ruclips.net/video/IxxBOytd5Kw/видео.html
The best explanation I've seen so far. Thanks MIT.
Very good description, thanks for uploading. Students nowadays are lucky that there are videos like this on the internet. It really helps with visualizing what a semiconductor is.
Simple and illustrative. Drawings and animations help a lot. It helped me.
ruclips.net/video/IxxBOytd5Kw/видео.html
I love it! I've read so much about h+ holes, but never understood them until those few seconds of animation
Me too I don.t understand about holes even so I read a lot about that.
Oh i also 😍
These tutorial videos are very well made. Keep up the good work!
ruclips.net/video/IxxBOytd5Kw/видео.html
Just wow. Now the concept is crystal clear.
Dope
ruclips.net/video/IxxBOytd5Kw/видео.html
Thank you very much this is so clear that how we can make intrinsic sillicon as p type and n type
MIT, we need a list of college texts to purchase! Love this channel❤
awesome video thanks for making this available
It looks like his boss is actively watching to decide whether if he can continue teaching the course or not
ruclips.net/video/IxxBOytd5Kw/видео.html
Chemistry is awesome. Some might say, *illuminating* ;)
ruclips.net/video/IxxBOytd5Kw/видео.html
wish i payed more attention in chemistry when learning about the period table.
ruclips.net/video/IxxBOytd5Kw/видео.html
ruclips.net/video/IxxBOytd5Kw/видео.html
ruclips.net/video/IxxBOytd5Kw/видео.html
Thanks sir for explaining doping so clearly ♥️
Good explanation, thank you
This is amazing. Love this.
ruclips.net/video/IxxBOytd5Kw/видео.html
ruclips.net/video/IxxBOytd5Kw/видео.html
Really, good tutorial videos for learning about doping. thank you so much for your kindness!!
Very well explained. Thank you
Clear, Concise and Effectively Doped for Understanding.
ruclips.net/video/IxxBOytd5Kw/видео.html
but question remains .......here valance electron and covalent electron are in two different level and as we can guess only valance electron can conduct electric current only but how about covalent bond as it is stable and in a inert state. In covalent bond there would be atmost a hole either by doping or by ejecting electron due to incoming energy as light and heat from outside. The hole in covalent gives a electron in valance band and it is in both p type and n type material. The hole must be in covalent bond only and electron helping the current only in valance bond onl🤔🤔🤔🤔🤔
Great Video!
ruclips.net/video/IxxBOytd5Kw/видео.html
Pretty good explanation, thanks
Fantastic.
ruclips.net/video/IxxBOytd5Kw/видео.html
this really helps a lot
thank you ❤️
ruclips.net/video/IxxBOytd5Kw/видео.html
Hi everyone,
how much yellow phosphorus is needed for 1-inch square silicon wafer ? Thanks a lot
I'am not getting it, as a result of the excess of an electron a positive density then its kinda created?
thank u soo much u made alot of things clear now
ruclips.net/video/IxxBOytd5Kw/видео.html
Where did that silicon go. With 4 electrons ?????????????
What if you put atom with 2 more valence electrons than in silicon
is doping done by mixing molten elements (alloying)?
what happened to silicon atom upon doping with other atom? is it removed ??
These are really cool, but it's hard to tell what order to watch them in.
Is it texturing, doping, Photoconductivity, texturing?
ruclips.net/video/IxxBOytd5Kw/видео.html
Really nice video...
Since, higher the number of free electron--> Higher the conductivity...
Is this applicable for doping with di-valent or hexa-valent atoms???
ruclips.net/video/IxxBOytd5Kw/видео.html
Hi can you tell me how you applied the doping to the silicon.
So how did you synthesise.
Regards.
ruclips.net/video/IxxBOytd5Kw/видео.html
Thx a lot
Why does electron bond with electron in the first place? Shouldn't they repel each other by the nature of their identical charges??
Their outer shells bond.
Electrons in outer shells have higher average energy and travel farther from the nucleus than those in inner shells. This makes them more important in determining how the atom reacts chemically and behaves as a conductor, because the pull of the atom's nucleus upon them is weaker and more easily broken
Chemical bonds are the forces of attraction that tie atoms together. Bonds are formed when valence electrons, the electrons in the outermost electronic “shell” of an atom, interact. ... Atoms with equal or similar electronegativity form covalent bonds, in which the valence electron density is shared between the two atoms.
Think of the outer shell as an elemental vulnerability we have learned to hijack.
How do you dope a silicon material Exactly ?
mix and melt ?
thanks
thx body it was helpful
They keep referring to "doping a semiconductor" when, in fact, you are doping an insulator (silicon) to have the potential to become conductive. You are doping to MAKE a semiconductor: not doping a semiconductor.
ruclips.net/video/IxxBOytd5Kw/видео.html
This video is simplified, in near absolute 0 temperatures, semiconductors work as insulator. But in room temperature, tjey gain enough heat from the environment to conduct a few electrons as those electron get over the forbidden band to conduction band in valance shell. So, they are semiconductor even in intrinsic state as well. Just really really weak ones
hello, i have question "why n layer is heavily doped and p layer is lightly doped in solar cell?"
ruclips.net/video/IxxBOytd5Kw/видео.html
Thanks!
ruclips.net/video/IxxBOytd5Kw/видео.html
this was so incredibly helpful. I just wasn't understanding transistors at first
ruclips.net/video/IxxBOytd5Kw/видео.html
ruclips.net/video/IxxBOytd5Kw/видео.html
is this how athletsdope?
The doping of athletes is usually met with much more resistance.
@@PhilJonesIII How much resistance really depends on the conduction of the authorities.
ruclips.net/video/IxxBOytd5Kw/видео.html
@@Muhammadislahmedia what the fuck
Due to draw structure I understand that but due to your fast English speaking I could not understand in the better way. .
i really need some explanations regarding oxygen vacancies
ruclips.net/video/IxxBOytd5Kw/видео.html
ruclips.net/video/IxxBOytd5Kw/видео.html
Chemystery. @bhattacharyya atrijo
ruclips.net/video/IxxBOytd5Kw/видео.html
Odd, you would assume that since electrons are negatively charged then the phosphorus would be considered as negatively charged, and the boron positively, due to the amount of valance electrons shown. Jeez, i feel like when i watch these videos i get more questions than answers.
phosphorus is initially neutral with same number of protons and electrons. When it loses one of its valence electron, it becomes positively charged because now it has one less electron than before. initally, proton # = electron #. after one electron drifts away, proton # > electron #. (here # means count.)
ruclips.net/video/IxxBOytd5Kw/видео.html
Gear 2
anyone learning VLSI here?
Yeah can you share the resources
28. Comment
kül
英语太差了，听不懂
Bad explanation....Kids explanation