Design approaches for hybrid CMOS/molecular memory based on experimental device data

Design Approaches for Hybrid CMOS/Molecular Memory based on Experimental Device Data Garrett S. Rose*, Adam C. Cabe*, Nadine Gergel-Hackett*, Nabanita Majumdar*, Mircea R. Stan*, John C. Bean*, Lloyd R. Harriott*, Yuxing Yao , and James M. Tour *Charles L. Brown Department of Electrical and Computer Engineering University of Virginia Charlottesville, Virginia 22904
gsr4j, acc9x, neg3c, nm3y, mircea, jcb6t, lrharriott  @virginia.edu

Department of Chemistry and Smalley Institute for Nanoscale Science and Technology Rice University Houston, Texas 77005 [email protected] upper plane

ABSTRACT

      !"#$&%'(&)*+ ,.*/01 2/43!,/.* 5.2 .* )*  7698;:0' )*, 7.)*E5.V )*/]  5.G 7N)* /4 0'/7 )*H2 :0'  )G1 7.i)* !" 7N  0   c5 )*H]Z?  2^>0'   6

1.

INTRODUCTION

I?E)*3  Kj.*/3;,/.* 5.KB/O .G   /)G !)GJ/3b  L-

j(A)* .*5)*Hc,  /.*/H4,=?/4 J)G J3bO 5 =! W)* H47 )*HU  L )*  a)* /U/>$.  .G   /)G  )* 5)* 1l*uyn6zg=C.*.")*&K )*.*)* /L=!3b

/7 W=?)* ] )*.*)G /)*/>:)GNO0"   W=?)* WH4/.*UFJ /0 .#$1/3o )G.*)* /4)*/>:)*uyy4ª )* XRk6g|3D/O 5  Y)*/F%'

Û

Û

Scan #1 Scan #3 Ü +VÝt -VÝ t

-1.0 -3

/43ÓFz†ŠBÔkƒŒ…>›

db¢" Af')G;5  , /!,)*.*. ?=M.*.  /45H4, ? /40, )*.G)* /4h)*/>:)*

/:0'/4 o ?%'/ /4´g  / 7)G)*H1  5.*3b5? H4 /502H4)*)*H1)* ? X,)* .Mµ,)* V&3D/AH4/.*"6BI?  1/.* 5.G a  %.*&)*_(50 )*H K0'/4 )G )*/4+/L EH/.*( 5 3# ON;3b/4 ,)*H(/.*`& )*H.*W1//4. ,/3o,/4.G 5.*769\C 

5  )*)G c 7 ä=C .G.@ )*J !3b/ =K L%)< /H4H.*1$/4.* 7H d Áº»~¼#½½ ¾*¿f 6?^7 hvE /7=?C " K? =C! ,)* ,)*(H4 7.

   )* ?%'"#)*/ol*tN v'N~°4N·Ÿ4N~¸N~umnV6"I?)*z%'B )*/")*oH')*& /7=?

)*Q$ h/4-~.*)GEa)*Q/4 ? )*.*a  0   c%2 7B 

)*Y W:0' )*,  7.=?

/45 05 Q 5    .* /2%' /, .*.G 7NR)*H1)G QB W /,-

 /45H420B A/43@ , 7 & B  J/ A .* c3D/? )*H6

  ,)*=?" †]•ŠB†]„B”—

5B.z, 7." / 7  2ln6/  !=C/ 7N{ W ,,  ]/4%-

Ž†˜ƒ†‹$•†’À…>Œ™,F…>†9˜ƒ†–·•.-BŒ•ƒ”B‚}”B’•ŠB†9‹$Ž†9™,ŠB†…>†

   $])* ,/.* 5.< 5   -~$/4.G 7H XB7   )* )* K#

•ŠB†Ó`…>†e‚…>Œ„B”@’B†’B›0/W…>Œ„B”B’Bƒ”@‚š„BŽ•a•ŠB†e„B”BŽ†˜ƒ†‹$•†’

%'J 5 a%& J)*r'  ?)*a K, 7.G-~,/4.* 5.*! /450.G)*H

…>Œ™1&˜ƒ˜ƒŒ™,1–·Œ…h“+†“+Œ…>ÓFŽƒü$†1„B‘•Œ+•1˜ƒ†Ž•&°vWé]°v›

 & 2 V=M/ /4 7  76+8M:0' )*,  1=C W0'  3b/ 1=?)* q 5E%'z/43i)*r'  M1/.* 5.VA,H /4507N)* .*5)*H! Q 5.*3D5?aH4 /50c5 2  N$ W)*.*)*HE)*r'   1,  )*

 L)* 1

   5.* !ln6BgJ ,1  EBK)* )G/4".G.*,%' h/%   $&3b /4

I?=Cz,/ ?:0' )*,  7 )*/1)*z 

%')*He O³d1

/1$ )*3b2 )*76

I?)*!)*O."  ,:)* K)*3M0B71 ! ) )*/2 EH4.G)*H4)G%.*

ñ ñ f2_)* 2 /    0'/)*He.*/'S)* Ud7

4.2 Design Options for a CMOS Interface

;71C 7 O6iV3 )G@)Gk ;  M ;$/.* 7HQ @ X /4.*5,

F/  & /(.Q=?)* Y a0'/4  )V.Q)*µ, 5.G +)*Y O)*H

 &)* )G O.J(/W 5   =/>=?  /45H4 15 )*7%.G

"/1,/ S5 )*HqZ?[]\!^©d ]  )*%'`)*©   )*/Ât46*s

)* 5)G ?0B db,)*.*=ž !0 /4H71,W)*

1/.* 5.VK )*  J " &  &&K.*/' /h  .* ()* 6

.*/4HF /7=}=?)*.*.;%'1)* )* .V6I?)*!%')*Hc E  N{ 5   

[1/4 K 0' )*j .*.*N)* A)*2 )*?: 7Q />=¶ K / c /

=?)*.*.>/7=9  /5H4c5 .* a />=S )*  o)*2 5 eQ=!#h "

, /45 2$/.* 7Ha/4e/c`e " , /.*5,F=?)G e-

]/45 05 h )*H".*e H7B6`V3  7N? ] )*P(/43! 

)* J)G E, ,/ W/4 /  J 5  " J  e E  )*

 7#K)*B )*.*.O.*)*,)* %< ;7 )*/o%' V=M3b/4 =! a! $  

/  B6QI?E )*H4".z /h%' L%+Z?[]\!^,)*K UK$/.* -

%)J 5   =?2.*.*/>=?3D/!, ,/ ] )*P!50( /  Q.GO 1°v]éa°v{6

º»~¼#½X½X¾*¿cb9º ^



º»ƒ¼ ½½X¾*¿

d uf

5. CMOS/NANO MEMORY SYSTEM DESIGN AND SIMULATION

I?J /,0.* ! X )G !3D/Q J,/.* 5.Q,,/4 + X)*-

  5 A0 /40'/ E ?)* .*5)*H&Z?[]\!^o )G 5)*   E%'A  )*¢")GH6A°6iI?JZ?[]\!^Q /4.*5, /O@3b/@ )*@, ,/ K /5.* %'2=

/1H 2( 7H o3D /œ5 )*H,"/O.*   /4)* 76

)*K )*$ L=?)* L)* &º MSM

¢")*H6°1 />=?/>=pZ?[]\!^aE5.* )G0.*:/  /5.*e%'&5 + /  O=? )G ;,/.* 5.z)* ?  )*z /4  E /&M.*/'"6

db .*  BfM/

OQP

1¹db5 .*  Bf 6

I?,eQ7Ngà )*H".;00' A)*h Q²=  /OQ)*,0.G , a5 )*H,/,)*/1.G/4H)* 6"I?K5.* )*0.*:/4 

õUWV 3b/4C .*  )*H O&/;=? )* 

3b/4? o /.*5,c /Oh.G/2 />=¶.* /15 heQ7NgÖ /3b/ 

YXYZ\[î ],3b/" )*)*H=?W " o1/.* 5.VJ)G 

O&%'Q5 & /!.*/(   &1,/ 1 5 , " M 1Z?[]\!^ )*  3# .*J/.*a=?)* ]$/.* 7H,a/ o 5   76K^75 X+

m

 )*He /4)G 2.* /UZ?[]\!^a )* 5)*  L " /O/ B 

m

/]%'(1  )G )*$(1=C/45.*e%'h ¦5)* + /]   2 & .G.

5   Ed?uy4y0g,fB V0)* .k/43B,/.* 5.o.*   /4)* 76 I?)*B=C/4 RK />=?@ B 7N3b /4q ;0'   0'  )*$;/3 )* 5)* @/40' -

m

 )*/"NO)* H7 )GHZ?[]\!^ac"/O.*   /4)* !)* ?/4a  7,)*)Go3bO )*%.*6AV10'/ 7 Q /&/4 N/7=M$7N)*J " E

m

Qj.*,/43',/.* 5.C .G   /)G C 5 7N)G 1 )* 5)* .*.Q0 /0'  )G Y0'/  ).Q.*)*,)* 7 )*/+db6 H6GN;)*.*L 0B7, ? ) )*/47f@=?)*.*.k%' /,K1/ K3D5.*.*2 "7    )GP "6 ¢5 5 ? 5E=?)G.*. / )* M/3{)* .*5)*H! 5 & "7   )*P )G/4 )*c J )*5. )*/4a/3k,,/4 h )* 5)* ?3b/4  57  .Gh.*5B )*H! Qr'  ;/3'0B7 )G )* 7N/)* N',0B71 C ) )G/476

7.

ACKNOWLEDGMENTS

I?)*@=C/4 RJ=K@ 500'/4 !%,@­