Measurement room temperature IV Transport Measurement System \nSpecifications: Source and measurement units for 2-probe/4-probe DC electrical transport property measurements in the range of 1 milli-Ohm to 100 Mega-Ohm or better. All I and V measurements should be at least 6½ digit. All set-point resolution must be better than o.o5% of full-scale. Voltage Source ranges: 10V or better\nVoltage source set point resolution: at least 0.05% of full-scale\nCurrent source ranges: 100 micro Amperes, 1 milliAmperes, 10 milliAmperes or better Current source set point resolution: at least 0.05% of full-scale Voltmeter ranges: 100mV, 1 V, 10 V or better\nVoltmeter resolution: at least 6½ digit. Ammeter specification: 100 microAmperess, 1 milliAmperes, 10 milliAmperes or better\nAmmeter resolution: at least 6½ digit. Workbench for 2-probe/4-probe measurement with detachable sample stage.\nData acquisition and control software, which automates recording of time-domain voltage, current and resistance data along with I-V, R-T measurements, allows easy control of all experimental parameters, supports real-time recording and plotting of physical quantities and runs on Linux or Windows. Non-linear IV (eg. diode characteristics) using dynamic switching between constant current and constant voltage source should be provided.\nSoftware should support temperature control and R-T measurements available through future system upgrades\nDetailed application notes illustrating varius experimental techniques used in IV measurement, with examples for the provided samples. All accessories required to run the system\nA computer system with lates specification and laserjet printer\n Upgrade: System shuould be upgradable to variable temperature measurement in the range of 80K to 450K using suitable temperature controller.
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