HALL8800
Contents
1. Samy WL Http www worldwide china com 4 Sample board 1 Cutting double side adhesive tape with proper size 2 Then attach the tape on the center of the cross mark of the sample board 3 Put the sample on the adhesive tape on sample board to fix the sample 4 Put the spring tips on contact In ball of sample Fig 1 1 Sample board 2 Composition Installation 2 1 Hardware installation Fig 2 1 a Front panel of HALL8800 Fig 2 1 b Sample holder and Cable connector Fig 2 1 c Cable connects HALL8800 and Sample holder iS HALL 8000 2449 819 200072 WORLDWIDE z aK A N vill ae 021 51806194 807 Mobile 13918893919 2 4 lt Win Http www worldwide china com Sw Fig 2 1 d Rear panel of HALL8800 Fig 2 1 e PC or Laptop express card In Fig 2 1 d blue circle is power input red circle is express card connector and connection cable black circle is chassis ground Fig 2 1 e shows the express card and connection cable connects chassis and PC or Laptop 2 2 Software installation 1 After hardware installation finish the following drivers of NI PXI card used must be installed in PC or Laptop 1 Labview runtime engine 8 6 1 2 NIPXI 2503 Matrix Switch driver 3 NI PXI 4132 precision SUM driver 4 NIPXI 4070 6 1 2 Digit Flex DMM driver NI PXI 4071 optional2. 2 567420E 14 V Quzz3 1 19805 V24P 1 21360E 1 N cm 3 4 1 41 OOOE 1 S Limit V a Vaze 1 21472E 1 ug 1 00000E1 Vas 728359E 1 25 34 1 19824 gt S e Mobility cm 2 Us 8 057192E 1 7 ERERIREEIQ 34 4 BRE Y Vise L2000E l R12 3 24501E 4 V 2 ERE Vaip 1 21125E 1 R2 38150884 Vi Eoo NS 12 IU curve R34 3 25921E 4 B Van EE Corrected Factor Vu BEEEEENI U I Re asoma O V2 T285806 1 Ez s 0 007160 e 3 244151464 0 000099999 R13 3 85855E 4 Viz 7 28531E Ez 0 997175 S gt VEe 2 523086656 0 000077777 R24 386871E 4 V32 6 07249E 1 F441 0 997137 Van L271 1 801899161 0 000055557 Out of Range Vzs 6 07288E 1 ii 2 0 997142 1 081019322 0 000033335 3 01725E 4 1 87069E 1 1 65312E 4 1 50725E 7 2 56742E 14 4 14100E 19 8 05719E 1 ohm sq ohm cm V 2 You can organize your measurement data in excel example Dimension 1x1 cm 2 Applied Magnetic Field B 6800 G mw RH m3 C 0 360072470 0 361281456 1 082883838977 1 804422069 2 526395336 3 248188845 34 IU curve U I 3 268348574 2 542063937 1 8153797593 1 08891 7480 0 362776409 0 363821380 1 091018833 1 817956770 0 000011116 0 000011107 0 000033347 0 000055587 0 000077829 0 000100071 0 000100001 0 00007171
3. 0 00000E 0 V 0 00000E 0 m 2 C s 0 00000E 0 cm 2 0 00000E 0 fcm 3 0 00000E 0 cm 2 V s 3 Put the sample board with sample into the Hall sample holder with connector The sample should be faced to the yellow mark on Hall sample holder HALL 8000 dina 2449 819 200072 WORLDWIDE Ae RE R SL DY jl FH i amp 021 51806194 807 Mobile 13918893919 war WL Http www worldwide china com 3 2 Resistivity measurement 1 Execute the Hall Sensor Measurement exe and click Ohmic button under W O B filed to check the ohmic contact of sample Fig 3 2 a Fig 3 2 b 2 The resistance R12 R23 will be shown at left side of software display board yellow circle in Fig 3 2 b You may check if the connection between sample and sample board is good or not by compare R12 R23 to the resistance value which measured by Volt Ohm Milliammeter 3 If the Out of Range light shows red green circle in Fig 3 2 b adjust I A and limit V V red circle in Fig 3 2 b And measure Ohmic again till the light shows green 4 I A can be adjusted from 10 A to 0 1 A limit V have the max value 100 V and the total power can not be large than 2 W 5 Check the contact linear I V curve shows good ohmic contact blue circle in Fig 3
4. connected to PC or Laptop by express card and connection cable 2 The HALL8800 was connected to Hall sample holder by connection cable 2 Turn on the power of HALL8800 first then turn on and open PC or Laptop the PWR and LINK on HALL8800 shows light on Fig 3 1 a 2 Software preparation 1 Put Keypro USB on PC or Laptop first 2 Execute the Hall Sensor Measurement exe in EXE 4070 or EXE 4071 3 Fill sample ID Thickness Dimensions and input magnetic induction filed B default 6800G filed and click OK Fig 3 1 b Fig 3 1 a PWR and LINK light on ni 3 1 A Sample Identificatio A00001 Thickne ss m 1 0000u 10000u Dimensions mm 2 Resistivity Measurement Hall Voltage Measurement I A DMM Range v Symmetric Factor B Field G V 1 00000E 3 TUM Limit V V Q1223 0 00000 NEGET imit 1 00000E 1 Vas 000000610 23 4 0 00000 0 00000E 0 Va 0 00000E 40 3441 0 00000 0 00000E 0 0 00000E 0 0 00000E 0 V 14 0 00000E 0 0 00000E 0 0 00000E40 0 00000E40 0 00000E 0 V41 0 00000E 0 0 00000E40 0 00000E40 0 00000E 0 0 00000E 0 0 00000E 0 0 00000E 0 0 00000E40 0 00000E 0 0 00000E 0 0 00000E 0 ohm sq 0 00000E 0 ohm cm
5. force on positive charge carriers A Wd F electric force from charge dt buildup d W This diagram shows the polarity I that would result from positive oia charge carriers as in some el lo rure semiconductors danas HALL 8000 2449 819 200072 WORLDWIDE m fos RE TK AAC DY ll isk 020 51806194 807 Mobile 13918893919 3H le A WI Http www worldwide china com 4 2 Hall effect measurement By measuring the Hall voltage VH the majority carrier sheet density can be decided And by combination of a Hall measurement and resistivity measurement the mobility u thin film sheet resistance Rs resistivity p can be figured out The resistivity measurement Ra The van der Pauw method exp TTRA Rs exp TTRe Rs 1 and p Rsd Hall measurement y mV Coordinate H 24P System VH Hall voltage Mobility yu Vul Rs IB 21 qnsRs Carrier sheet density ns B q VH Carrier density n ns d 10 HALL 8000 PN 2449 819 200072 WORLDWIDE d RE S NV jl 021 51806194 807 Mobile 13918893919 Sp WI Http www worldwide china com Appendix 1 Specification of 3S Hall measurement system Sample size
6. 10mm x10mm 5mm x 5mm 20mm x 20mm Measurement Temperature RT room temperature 300K Measurement Material Semiconductors material such as Si SiGe SiC GaAs InGaAs InP GaN N Type amp P Type Magnet Flux Density 0 68T IT Permanent magnet Stability 2 over years Uniformity 1 over 20mm diameter from center Mobility 1 10 cm2 Volt sec Carrier Density 10 10 cm 3 Output current 2nA 100mA Input Voltage luV 300V Resistivity 10 10 Q cm 9 9 9 9 9 9 9 11 AS 2449 819 200072 WORLDWIDE QU Wp Win FH 1G 021 51806194 807 Mobile 13918893919 3 3 Ie Http www worldwide china com HALL 8000 FE IR SC SE M A DC as 2 Test data example 1 Save the measurement data to a txt file right by using ENTE fee WEAD Q WAO RAAH Save button after measurement complete Sample ID A00001 Thickness m 6 200000E 8 E LIE Dimensions mm 2 10 0 X 10 0 I A 1 000000E 4 lui Wiring Ohmic Measure Save Exit B Field G 6800 000 Rs ohm sq 3 017246E 4 Sample Identification A00001 Thickness m 62 000n 62 000n Dimensions mm 2 10 Rho ohm cim 1 E 810693E 1 UH U 1 653116E 4 Hall Vol M A xm A eeu RH m 3 C 1 507253E 7 1 00000E 4 EEG E BField G 6800 oo LN Ns cm 2
7. 19 0 000055557 0 000033334 0 000011115 0 000011107 0 000033345 0 000055587 0 000077831 0 000100074 Note 1 R ohm is the averge of R12 R23 R34 data under Ohmic measurement Note 2 Rs sheet resistance Rho resistivity VH Hall voltage RH Hall coefficient Ns Ps sheet carrier concentration N P carrier concentration Mob mobility Note 3 When VH shows positive negative value the majority carrier ofthe sample is p n type i2
8. 2 b Fig 3 2 a Fig 3 2 b Swin wring Ohm measure Save Ext Sample Identification A00001 Thickness m 62 000n Dimensions mm 2 10 X 10 Resistivity Measurement Hall Voltage Measurement I A MM Range V Symmetric Factor BField G 6800 DMM Ran V IV 1 00000E 4 4 eF it V V Q1223 1 19805 24 121300E imit fna 00000E 1 a 7 283506 1 Q L 19804 22 1 214726 1 Ta Qa L997 se L2M01E 1 14 6079965 1 Qi 1 19952 31 1 21125E 41 607994E 1 Corrected Factor 2 L720550B 1 J F 2 23 0 997180 12 T28531E 1 Fs 0997175 32 6 072496 1 F44 0 997137 3 6 072886 1 Fit 0 997142 uiN L21296E 1 azx L21409E 1 sN 121708E 1 sin 1 21714E 1 ew ow o lt lt lt lt Rho 1 87069E 1 ohm cm 1 65312E 4 V 1 50725E 7 3C 2 56742E 14 crm2 4 14100E 19 cm3 8 05719E 1 cm 2 V s Ohmic measurement without B Good ohmic contact shows linear I V curve blue circle Permanent magnet 6 After Ohmic measurement finish click Measure button under W O B filed to measure the resistance of sample Fig 3 3 a 7 If the any of V43 V34 blue circle in Fig 3 3 a shows NaN adjust DMM Range V red circle in Fig 3 3 a and measure again till the NaN disappear 8 The DMM Range V can be adjusted from 100mV to 300V it is recommended to adjust the DMM Range V near and
9. AR Page 11 1 Specification of Hall measurement system Page11 2 Test data example Page12 dinniy HALL 8000 2449 819 zx 200072 WORLDWIDE 4 RE R SL DY jl 021 51806194 807 Mobile 13918893919 amy WL Http www worldwide china com 1 Sample Preparation 1 1 Sample ohmic contact preparation 1 Tool Cutting knife scissors tweezer In ball heating stage 200 C silver glue double side adhesive tape and sample board Ohmic contact material reference N type sample use In ball P type sample use InZn ball 2 Steps 1 Cutting sample with proper size 5x5 to 20x20 mm2 2 In ball in four points of sample using U side of tweezer 3 Then annealing at 200 C for 2min by heating stage 5 FEST T ao NC um WE OON eee f E Se LM P 2 ah fius A 5 L 1 The contacts are on the circumference of the sample 2 The contacts are sufficiently small compared to the total sample area 3 The sample is of uniform thickness 4 The sample is singly connected contains no isolated holes dinniy HALL 8000 2449 819 zx 200072 WORLDWIDE AAA RE 7K AC DY Yl 021 51806194 807 Mobile 13918893919
10. The 1 must be installed first 2 3 4 drivers should be installed later The latest version of drivers can be downloaded from www worldwide china com 2 A Hall Sensor Measurement exe software for NI PXI 4070 and NI PXI 4071 are different should be copied on PC or Laptop and you need to put Keypro USB on PC to start it HALL 8000 PAL 2449 819 200072 WORLDWIDE 021 51806194 807 Mobile 13918893919 LA WIL Http www worldwide china com SU Sample identification Thichmess m Resistivity Measurement li Voltage Measurement TE a KA DMM Range V AO RBIH rn an Symmetnc F actor Quis 000000 ten v gs p CORE i peor Vas 000000640 Q2 0 00000 V u 0009940 Quat 000000 Ri 00000640 pent Ros 00000840 R 000000640 Hall 3 ansor Measurement aliases R41 000000840 A no SES tea Ris 000000E 0 fs Roe 000000840 Out of Range AT data Lm Sensor Measurement exe uA g B NITW Measurement ini ian HALL 8000 2449 819 200072 WORLDWIDE RE 7K VAL DY Yl lap Gees rte Mobile 13918893919 A 3 le wey Win ttp www worldwide china com 3 Measurement 3 1 Measurement preparation 1 Hardware preparation 1 The HALL8800 was
11. a little large than the value which shows in V43 V34 blue circle in Fig 3 3 a HALL 8000 ZIN POM ac 2449 819 200072 WORLDWIDE 021 51806194 807 Mobile 13918893919 X9 it sary WL Http www worldwide china com ee 3 3 Hall effect measurement 1 After V43 V34 measurement finish the Apply B measurement button appears Fig 3 3 a Put the sample board and the sample surface forward to N N to S Fig 3 3 b and click OK button Fig 3 3 a Wiring Ohmic Measure Sav AO0001 Thickness m 1 0000u Fig 3 3 b Apply the B N gt S to the sample Dimensions mm stivity Measurement Hall Voltage Me DMM Range e Symmetric Factor B Field G 6800 ay Q12 23 120797 CURT x 1Q23 34 1 20820 sea Qua 12096 V 2 55042E 3 M1 12 1 20820 2 55121E 3 E Coreg 3 08200E 3 IF 23 Apply B 3 08179E 3 Fh 34 CK Lum ISN 255086E 3 Fs4 41 0 996906 3 F41 12 0 996912 After Apply B measurement finish Apply B button appears Fig 3 3 c Let the sample surface forward to S S to N and click OK button to execute measurement After apply B measurement finish the value V24P V24N will be shown blue circle in Fig 3 3 c and Measurement Complete button will appears The measurement
12. data Rs sheet resistance Rho resistivity VH Hall voltage RH Hall coefficient Ns Ps N P Carrier concentration Mob Mobility will be shown blue circle in Fig 3 3 d 5 If VH shows positive negative value the majority carrier of the sample is p n type 6 Click Save button save the test data amu HALL 8000 2449 819 200072 WORLDWIDE Ae RE R SL DY jl i NL lap Gees ston Mobile 13918893919 A 3 lA wane WL ttp www worldwide china com Fig 3 3 c Eu d metric Factor BField G 6800 V Thickness m 62 000n Dimensions mm 2 10 X 10 I A DMM Range V B Field G ORC R y G 6800 v Limit V 42 412M725E 1 1 00000E 1 Jap 121101E 1 sip 12112 E I Riz 324501E44 Rz 381308E 4 3iN 121296E 1 Na2N 121409 1 Man 121708E 1 Tsix 121714E 1 ee ee Se a et Mut st aa PS Cy 1 87069E 1 1 65312E 4 1 50725E 7 256742E 14 4 14100E 19 cm 3 8 05719E 1 f 7 Finish the measurement Click the Exit button turn off PC or Laptop first and then turn off the HALLOOK T300 system 4 Hall Effect Measurement Theory 4 1 Hall effect The history of the Hall effect begins in 1879 when Edwin H Hall discovered that a small transverse voltage appeared across a current carrying thin metal strip in an applied magnetic field Magnetic
13. i ev HALL 8000 2449 819 200072 WORLDWIDE RE SR AAC DZ YO Te SL BS 02051806194 807 Mobile 13918893919 3H it Ls WL Http www worldwide china com SU HALL8800 HALL EFFECT MEASUREMENT SYSTEM User Manual Sxin Wiring Ohmic Measure Save Exit Meme A a THEN 2 g SUES x 5 E Bor rei PN HALL 8000 2449 819 200072 WORLDWIDE FE K MN Jl P M QNA Mobile 13918893919 34 J IE Wp Win ttp www worldwide china com Contents 1 Sample Preparation Page 2 1 1 Sample ohmic contact preparation Page 2 2 Composition Installation Page 3 2 1 Hardware installation Page 3 2 2 Software installation Page 5 3 Measurement ceeennn mmn nn Page 6 3 1 Measurement preparation Page 6 3 2 Resistivity measurement Page 3 3 Hall effect measurement Page 8 4 Hall Effect Measurement Theory Page 9 4 1 Pall eflect oos sva iO RECEN RR dE REI EA ELE Page 9 4 2 Hall effect measurement Page 10 Abppehng
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