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Дата изменения: Thu Feb 11 14:29:30 2010
Дата индексирования: Mon Oct 1 21:08:55 2012
Кодировка:

. . .
_________________________________________________________

PbTe(In)

01.04.10 -

-

2010

. .

: - , , - , - : - , - , : " "

" 11 "

2010 1700

501.001.70 .. : 119991, -1, , , .1, .35, - .. .

. . . " 8 " 2010 .

501.001.70 - , 2 ..

. - [1]. , . , , , . . III . , . [2]. [3], [4] [5] . , , . , . - [6]. , , , [7]. 3

. , . , , . PbTe(In) . PbTe(In), , . : 1. PbTe(In) 4.2 300 20 1 . 2. PbTe(In) . 3. . : 1. , , , , , , PbTe(In) . 2. 4 PbTe(In).

( ), . 3. , PbTe(In) . 4. , p-PbTe(In) . : , , PbTe(In), , . PbTe(In) . . : , , : XV , "" (, , 2008), 11- (, , 2008), 25- (, , 2008), 6- (, , 2008), X , - (-, , 2008), XIII " " ( , , 2009), "NanoIsrael 2009" (, , 2009), 5

"SPIE Optics+Photonics 2009" ( , , 2009), 23- (, , 2009), IX "'09" (, , 2009), . .. . : 12 , 6 . : , PbTe(In), , . , . : , , , 104 . 111 , 43 3 .

, , , . , . . 6

Eg = 190 ( = 0 ), . PbTe . PbTe(In) 70 , T < 25 .

:

.

.

. , . PbTe(In) . PbTe, 0.5 .% In, [7]. Ts -120 250 . , . ~ 1 . d. , Ts (-120 В -70 oC), ~ 60-70 . , Ts = 250 d 300 .

7

, , . (200)

(.1). , Ts = 250 , -

. -

,
.1. PbTe(In) 60, 170 300 . - . .

-, -

. , - n-, , Ts < 40 , . . , Ts = 250 , , n = 6·1018 -3, PbTe(In). .2 PbTe(In), . ~ (h - Eg ) 8
1/ 2

, h -

, Eg - . Eg 350 . PbTe, 310 .

-

,

.
.2. PbTe(In) 70 . 2 . = 300 .

, -

. . PbTe(In) . 300 T
ann

= 400 oC 60 180 . = 350 180

70 : T . , , , , , 9
ann

= 300 400 T

ann

. T

ann

. PbTe(In) , Pb2O3 TeO2, , . : ( , ).
p-

( ). n- . , - U < 0.5 . 60-170 . 300 , . . , , - 4.2В300 K . ,
10

Z = Z '- jZ ' ' 20 1 ,
4.2В300 K, .

|Z| , Z ' Z ' ' ' , ' ' . , . PbTe(In) . .3. , , , PbTe(In): n-, , < 25 . .
.3. PbTe(In) 60, 170 300 .

,

.
11

p-, , , . lg() - (100/T) (. .3), . , ~ exp(EA/kT), 70-90 , . p- T < 150 K . . p-. n- , . - (): Z ' ' Z ' , . .4 PbTe(In) 70 T = 4.2 K. , . ,
RC-.

-

, , .
12

RC-. f RC- 2 f - f

max,

Z ' ' , max=

(RC)-1. -

max

2 ,

(R C) . ,

. .4. - PbTe(In) 70 T = 4.2 K. . . C0 - .

,

-. , Z ' . - . - . , . , . , [8]
13

. , - , n- . p- PbTe(In) . p- , ( RI CI) . , , -, . , .

. , - .

. ,
.5. Z ' DARK / Z ' LIGHT PbTe(In) 60, 130 170 . = 4.2 .

.

14

.5 Z '
DARK

/ Z'

LIGHT

-

PbTe(In) . , , . ,
Z'
DARK

.
/ Z'
LIGHT

,
DARK

Z''

/ Z''

LIGHT

, ,

. 130 . PbTe(In). n- 300 > 150 . .
n- T < 25 , -

T < 150 . n-
[8] .

, PbTe(In) . PbTe(In) n- . . , , . .
15

, . , n-, , . p- 70 . .6 . > 150 lg() (100/T) .

,
Tann, .6. -

: , . , 300 . , 350 , < 50 , .
.6. PbTe(In), Ts = - 120 oC, : Tann = 300 400 Tann = 350 180 .

16

p- , . . . . , . , 350 , , . - PbTe(In) p-, , . , . , 300 , , . - . , 350 , - . . , . - . ,
17

350 o, , . = 4.2 ' 10 , ' ~
0 .7

. -

. <
20
.7. , , , 350 .

~ exp(T

-1/4

) (.7).

- , 300 , ,

, , . -

Z''
DARK

LIGHT

.

Z'

DARK

/ Z'

LIGHT

/ Z''

, = 77 , -

, , . = 4.2 . , -, , 18

. , . . p- . - . , , . B(
DARK)/

B(

LIGHT)

~ 100, 300 o - ~ 2000. 30 , . , , .

1. -

PbTe(In) 4.2 300 20 1 .
2. , ,

: , . 300 n- .

< 25 K
19

. 60 170 .

< 150 K.
3. - PbTe(In) p-,

, , ( ), .
4. , ( = 300 )

PbTe(In) p-

. , , .
5. ,

PbTe(In) . , , . 130 .
6. , PbTe(In) n- -

( 300 ) , .
20

7.

PbTe(In) p- . , , , . . . .

:
1. .. PbTe(In) // XV -

, "", 811 2008 ., , .208-209. 2. Ryabova L., Dobrovolsky A., Komissarova T., Dashevsky Z., Kasiyan V., Khokhlov D. Grain size effect on the photosensitivity of nanocrystalline PbTe(In) films // Abstracts of Sixth International Conference on Inorganic Materials, Dresden, Germany, 2008, September 28-30, P2-64. 3. .., .., ..

PbTe(In) // X , - , 1-5 2008, .
4. .., .., Dashevsky Z., Kasiyan V., ..,

.. - PbTe(In) // XIII " ", 16-20 2009 ., , .2, .328-329.
5. Dobrovolsky A., Dashevsky Z., Shufer E., Khokhlov D., Ryabova L. Grain size and oxidation effect on the impedance of nanocrystalline PbTe(In) films // Ab21

stracts of International Conference on the Nanotechnology "NanoIsrael 2009", Jerusalem, Israel, 2009, March 30-31. 6. .., .., .., .., -

.., .., .. PbTe(In) // , 2009, .42, .2, .265-268.
7. Dobrovolsky A., Dashevsky Z., Kasiyan V., Ryabova L., Khokhlov D. Lowtemperature charge transport in photosensitive nanocrystalline PbTe(In) films // J. Phys.: Conf. Ser., 2009, v.150, pp.022009-1 022009-4. 8. Dobrovolsky A.A., Dashevsky Z.M., Kasiyan V.A., Ryabova L.I., Khokhlov D.R. Photoconductivity of oxidized nanostructured PbTe(In) films // Semi-

cond. Sci. Technol., 2009, v.24, pp.075010-1 075010-5. 9. Dobrovolsky A., Komissarova T., Akimov B., Dashevsky Z., Kasiyan V., Khokhlov D., Ryabova L. Charge transport in photosensitive nanocrystalline PbTe(In) films in an alternating electric field // Int. J. Mat. Res., 2009, v.100, N9, pp.12521254. 10.Dobrovolsky A., Belogorokhov I., Dashevsky Z., Kasiyan V., Ryabova L., Khokhlov D. Optical and transport properties of nanostructured PbTe(In) films // Proceedings of SPIE, 2009, v.7404, pp.74040S-1 - 74040S-6. 11. .., .., .., ..,

.., .. PbTe(In) // IX "'09", 28 - 3 2009 ., -, .51.
12.Dobrovolsky A., Chernichkin V., Belogorokhov I., Dashevsky Z.M., Kasiyan V.A., Ryabova L.I., Khokhlov D.R. Transport properties and photoconductivity of nanocrystalline PbTe(In) films // Phys. Stat. Sol. (c), 2010, DOI

10.1002/pssc.200982714.

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[1] Lead Chalcogenides: Physics and Application // Edited by D. Khokhlov. New York: Taylor&Francis, 2003. [2] .., .., .. // , 2002, .172, .8, .875-905. [3] Dashevsky Z., Shuzterman S., Dariel M.P., Drabkin I. Thermoelectric efficiency in graded indium-doped PbTe crystals // Journal of Applied Physics, 2002, v.92, N3, pp.1425-1430. [4] Felder F., Arnold M., Rahim M., Ebneter C., Zogg H. Tunable leadchalcogenide on Si resonant cavity enhanced midinfrared detector // Appl. Phys. Lett., 2007, v.91, pp.101102-1 101102-3. [5] Rahim M, Arnold M, Felder F, Behfar K and Zogg H. Midinfrared leadchalcogenide vertical external cavity surface emitting laser with 5 µ m wavelength // Appl. Phys. Lett., 2007, v.91, pp.151102-1 151102-3. [6] Khokhlov D., Ryabova L., Nicorici A., Shklover V., Ganichev S., Danilov S., Bel'kov V. Terahertz photoconductivity of Pb1-xSnxTe(In) // Appl. Phys. Lett., 2008, v.93, pp.264103-1 264103-3. [7] Dashevsky Z., Kreizman R., Dariel M.P. Physical properties and inversion of conductivity type in nanocrystalline PbTe films // J. Appl. Phys., 2005, v.98, pp.094309-1 094309-5. [8] .., .. PbS // , 1986, .20, .1, .59-72.

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