Voltage (IYV) characteristics of a normallyYoff power HFET using Piezo Neutralization Technique (PNT) in [8]. Under certain bias conditions, with MLDa QC, the ...
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²0RGLILHG /RFDO 'HQVLW\ $SSUR[LPDWLRQ 0/'$ $O*D1*D1 +(07 *D3RODU 13RODU 7&$' 6LPXODWLRQ 4XDQWXP&RUUHFWLRQ
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
c 978-1-5090-1830-7/16/$31.00 2016 IEEE
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§ ·f E H E ¸¸³ GH Q K 1 & ¨¨ H H K © S ¹
ª § ] c H E ·º ¸» « M ¨ ¨ ¸» O «¬ © ¹¼
ZLWK Ș ()(&N7 ZKHUH () LV WKH )HUPL HQHUJ\ OHYHO (& LV FRQGXFWLRQ EDQG HQHUJ\ OHYHO 1& LV WKH HIIHFWLYH GHQVLW\ RI VWDWHV LQ WKH FRQGXFWLRQ EDQG O ! PN7 LV WKH HOHFWURQ WKHUPDO ZDYHOHQJWK IRU VSKHULFDO EDQGV P LV WKH HIIHFWLYH GHQVLW\ RI VWDWH PDVV E N7DH Į LV WKH EDQG QRQ SDUDEROLFLW\ M LV WKH WKRUGHU VSKHULFDO %HVVHO IXQFWLRQ ] c ] ] ]LVWKHGLVWDQFHWRWKHLQWHUIDFHDQG]LVWKHFDUULHU SHQHWUDWLRQOHQJWKZKLFKLVH[SUHVVHGE\>@
]
! P 'H
ZKHUH ǻİ LV WKH FRQGXFWLRQ EDQG RIIVHW EHWZHHQ WKH $O*D1 EDUULHU DQG *D1FKDQQHO DQG FDQ EH XVHG DV D ILWWLQJ SDUDPHWHU
239
7DEOH6WDWLVWLFVRIVLPXODWLRQZLWK0/'$4& QRUPDOL]HGWRWKHGDWD RIFRUUHVSRQGLQJFODVVLFDOVLPXODWLRQV
)LUVWIRXUURZVDUH'VLPXODWLRQV /DVWWZRURZVDUH'VLPXODWLRQV 3 3RLVVRQHTXDWLRQ ( (OHFWURQFRQWLQXLW\HTXDWLRQ + +ROH FRQWLQXLW\HTXDWLRQ 4J9JLVWKHVLPXODWLRQRIJDWHFKDUJH±JDWHYROWDJHVZHHS UHSUHVHQWVD'HDV\FRQYHUJHQFHFDVH aKRXUZLWKRXW0/'$ UHSUHVHQWVD'GLIILFXOWFRQYHUJHQFHFDVH aKRXUVZLWKRXW 0/'$ A7RWDO7LPHLQFOXGHVQRQFSXRYHUKHDGWLPHV )LJ '(* GHQVLWLHV DQG FKDUJH FHQWURLGV LQ *D1 FKDQQHO XQGHU $O[*D[1*D1 LQWHUIDFH FDOFXODWHG E\ 0/'$ DQG 6( 'DVKHG OLQHV 'HQVLW\ 6ROLGOLQHV &HQWURLG %ODFN P D 5HG P D :LWKV\PEROV 0/'$ :LWKRXWV\PEROV 6(
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
3RLVVRQ6FKURHGLQJHU(TXDWLRQ 6( VROYHU DW WKH $O [*D[1*D1 LQWHUIDFH >@ )LJ VKRZV WKDW WKH '(* DUHDO
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
)LJ&DUULHUGHQVLW\SURILOHVLQ*D1FKDQQHOXQGHU$O*D1*D1 LQWHUIDFH P D
240
)LJ *D10,6)(7XVHG7RS )XOOVWUXFWXUH0LGGOH )LHOGSODWH DUHD%RWWRP *DWHHGJHDWWKHGUDLQVLGH
2016 IEEE International Conference on Electron Devices and Solid-State Circuits (EDSSC)
)LJ &DSDFLWDQFH9ROWDJH &XUYHV &9¶V RI WB$O*D1 QP VKRZLQJWKHERWWRPFKDQQHO *D1FKDQQHO IRUPHGDW9*a9DQGWRS FKDQQHO 317FKDQQHO IRUPHGDW9*a 9
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
)LJ %9¶V IRU 9* 9 /HIW WR 5LJKW %OXH OLQHV &ODVVLFDO 5HGGDVKHV 0/'$:KHQ97+9* 90/'$JLYHVPXFK ODUJH%9¶V
DQG ERWK RI WKHP DUH PRGHOHG ZLWK 0/'$ 4& 7KH ³WRS FKDQQHO´LVDWWKH6/317 RU$O2317 LQWHUIDFHZKLOHWKH ³ERWWRPFKDQQHO´LVDWWKH6/*D1FKDQQHOLQWHUIDFH)RUIDLU FRPSDULVRQ WKH SDVVLYDWLRQ OD\HU VXUIDFH FRQGLWLRQV DUH DGMXVWHGVRWKDWVLPXODWLRQVZLWKDQGZLWKRXW0/'$4&JLYH WKHVDPH'(*GHQVLW\ LQWKHXQJDWHGUHJLRQ WKXVWKH VDPH 21UHVLVWDQFH521 &9FXUYHVVKRZWKDWWKHWRSFKDQQHOPD\ KDYHIRUPHGDW9*a 9DQGWKHFDSDFLWDQFHLVUHGXFHGE\ ZLWK4& )LJ 7KHFDSDFLWDQFHUHGXFWLRQLVQRWODUJHEXWLV H[SHFWHG WR EH PRUH VLJQLILFDQW ZKHQ WKH JDWH GLHOHFWULF LV IXUWKHU VFDOHG LQ VKRUW FKDQQHO GHYLFHV )LJ VKRZV WKDW DOWKRXJK 521¶V KDYH EHHQ FDOLEUDWHG WR EH WKH VDPH 0/'$ 4&KDVORZHUFXUUHQWWKDQWKHFODVVLFDOVLPXODWLRQDWKLJK9' DQGWKHUHGXFWLRQFDQEHDOPRVW 9* 9 EHFDXVHWKHUH DUHOHVVHOHFWURQVIRUPHGXQGHUWKHJDWHZLWK4&)LJVKRZV WKDWWKHEUHDNGRZQYROWDJHGRHVQRWFKDQJHPXFKZKHQ'(* XQGHU WKH JDWH LV IXOO\ GHSOHWHG 9* 9 +RZHYHU DV 9* LQFUHDVHV VWLOORIIVWDWH WKH%9LVVXEVWDQWLDOO\ODUJHUZLWK4&
)LJ,'9'¶VIRU9* 9UHVSHFWLYHO\%OXHOLQHV &ODVVLFDO 5HGGDVKHV 0/'$
)LJ*DWHUHJLRQRI1SRODU*D1+(07DW]HURELDVZLWK0/'$4& (OHFWURQGHQVLW\LVVKRZHGWRSHDNDZD\IURPWKH*D1$O*D1LQWHUIDFH DWPP 3LQNRXWOLQHLVWKHJDWHHOHFWURGH;@ $ /LGRZ - 6WU\GRP 0 GH 5RRLM ' 5HXVFK *D1 7UDQVLVWRUV IRU (IILFLHQW3RZHU&RQYHUVLRQQG(GLWLRQ >@ 2 $PEDFKHU HW DO 7ZRGLPHQVLRQDO HOHFWURQ JDVHV LQGXFHG E\ VSRQWDQHRXV DQG SLH]RHOHFWULF SRODUL]DWLRQ FKDUJHV LQ 1 DQG *DIDFH $O*D1*D1 KHWHURVWUXFWXUHV -RXUQDO RI $SSOLHG 3K\VLFV >@ 3LO 6XQJ 3DUN 'LJELMR\ 1 1DWK DQG 6LGGKDUWK 5DMDQ ³4XDQWXP &DSDFLWDQFH LQ 1SRODU *D1$O*D1*D1 +HWHURVWUXFWXUHV´ ,((( (OHFWURQ'HYLFH/HWWHUV9ROSS >@ 3LO 6XQJ 3DUN ³$GYDQFHG &KDQQHO (QJLQHHULQJ LQ ,,,1LWULGH +(07V IRU +LJK )UHTXHQF\ 3HUIRUPDQFH´ 7KHVLV 7KH 2KLR 6WDWH 8QLYHUVLW\ >@ *3DDVFK7)LHGOHDQG,%DUWRã³6XEEDQGHQHUJLHVDWVHPLFRQGXFWRU KHWHURMXQFWLRQV $Q DSSUR[LPDWH TXDQWL]DWLRQ IRUPXOD´ SK\V VWDW VRO E >@ 23HQ]LQ*3DDVFKDQG/6PLWK³1RQSDUDEROLFPXOWLYDOOH\TXDQWXP FRUUHFWLRQ PRGHO IRU ,Q*D$V GRXEOHJDWH VWUXFWXUHV´ ,((( 7UDQV (OHFWURQ'HYLFHVYROQRSS±-XO >@ . 2WD . (QGR @ % 5H]DHL $ $VJDUL DQG 0 .DODIL (OHFWURQLF EDQG VWUXFWXUH SVHXGRSRWHQWLDOFDOFXODWLRQRIZXUW]LWH,,,QLWULGHPDWHULDOV3K\VLFD% &RQGHQVHG0DWWHU >@ 3 5LQNH 0 :LQNHOQNHPSHU $ 4WHLVK ' %LPEHUJ - 1HXJHEDXHU DQG 0 6FKHIIOHU &RQVLVWHQW VHW RI EDQG SDUDPHWHUV IRU WKH JURXS,,, QLWULGHV$O1*D1DQG,Q13K\VLFDO5HYLHZ% >@ 6\QRSV\V,QF&$86$6HQWDXUXV70'HYLFH8VHU*XLGH >@ 363DUNDQG65DMDQ6LPXODWLRQRI6KRUW&KDQQHO(IIHFWVLQ1DQG *D3RODU $O*D1*D1 +(07V LQ ,((( 7UDQVDFWLRQV RQ (OHFWURQ 'HYLFHVYROQRSS0DUFK
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
