30.01.2015 Views

Silici

Silici

Silici

SHOW MORE
SHOW LESS

Create successful ePaper yourself

Turn your PDF publications into a flip-book with our unique Google optimized e-Paper software.

&RQGXWWRUL6HPLFRQGXWWRUL,VRODQWL<br />

‡,QXQPHWDOOREDQGDGLFRQGX]LRQHHGL<br />

YDOHQ]DVRQRVRYUDSSRVWHÎ<br />

PROWLHOHWWURQLOLEHULHDOWD<br />

FRQGXFLELOLWjQa HOHWWURQLFP <br />

‡,QVHPLFRQGXWWRULHGLVRODQWLEDQGDGL<br />

YDOHQ]DHGLFRQGX]LRQHVRQRVHSDUDWH<br />

,VRODQWL(J ≥ H9<br />

6HPLFRQGXWWRUL(J ≤ H9<br />

6L(J H9*H(J H9<br />

:<br />

&RQGXFWLRQ<br />

%DQG<br />

:<br />

9DOHQFH<br />

%DQG<br />

(J<br />

:<br />

(J (F(Y<br />

(F<br />

(Y<br />

E<br />

E f<br />

conductance band<br />

e<br />

h<br />

valence band<br />

(J<br />

Elettroni in banda<br />

di conduzione (n)<br />

Lacune in banda di<br />

valenza (p)<br />

0HWDO<br />

6HPLFRQGXFWRU ,QVXODWRU<br />

‡3HUHFFLWD]LRQHWHUPLFDVLKDQQR<br />

WUDQVL]LRQLGLH WUDEDQGDGLYDOHQ]DH<br />

FRQGX]LRQH<br />

‡/D FRQGXFLELOLWj GLSHQGHGDHQWUDPELL<br />

SRUWDWRULQHSHFUHVFHDOFUHVFHUH<br />

GHOODWHPSHUDWXUD<br />

*5L]]R Rivelatori al silicio

Hooray! Your file is uploaded and ready to be published.

Saved successfully!

Ooh no, something went wrong!