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Qingdi Quantum Scientific Instruments (Beijing) Co., Ltd.

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BrandQuantum Design
OriginGermany
ManufacturerLOT-Oriel Group (a Quantum Design Company)
TypeLOT Series
Illumination ModeSteady-State
Light Source300 W Short-Arc Xenon Lamp (Ozone-Free)
Spectral Match ClassASTM E927 Class B
Irradiance Instability≤1% RMS (typ.)
OutputFiber-Coupled
Optional FiltersAM1.5G or AM0
Optional ShutterDigital or Manual Mechanical/Electronic
Optional Add-onVSM-FOSH Photomagnetic Measurement Kit with Monochromatic Light Source (MLS), 360–845 nm, 150 W Xenon Lamp, UV-Vis-NIR Fiber Delivery (D320-UV: 325–900 nm
D320-IR375–2250 nm), Max Sample Diameter: 1.6 mm, Magnetic Sensitivity: <1×10⁻⁴ emu
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BrandLake Shore
OriginUSA
Model8400 Series
Magnetic Field RangeUp to 2.23 T (DC), 1.44 T (AC, 50 mm gap)
Temperature Range10 K–1273 K (with optional cryostats/furnaces)
Mobility Range1×10⁻³ to 1×10⁶ cm²/V·s (AC/DC)
Resistivity Range1×10⁻⁵ to 1×10⁵ Ω·cm
Standard Resistance Range0.5 mΩ–10 MΩ
High-Resistance Optionup to 200 GΩ
Low-Resistance Optiondown to ~0.5 µΩ
AC Frequencies0.05 Hz and 0.1 Hz
Sample Geometry SupportVan der Pauw, Hall bar, 4-point probe
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BrandLake Shore
OriginUSA
Manufacturer StatusAuthorized Distributor
Product OriginImported
ModelFastHall Station
PricingUpon Request
Magnetic Field1 T (RT), 0.75 T (77 K)
Temperature OptionsRoom Temperature & Optional Liquid Nitrogen Cooling (77 K)
Resistance Range10 mΩ to 1 GΩ
Mobility Range0.01–10⁶ cm²/V·s
Resistivity Range1×10⁻⁵ to 10⁵ Ω·cm (typ.)
Carrier Concentration8×10² to 8×10²³ cm⁻³ (typ.)
Measurement Speed<10 s per sample (typ.)
Sample FormatsSolder card (10×10×3 mm), Pin card (10×10×2 mm)
Hall MethodFastHall™ (field-reversal-free) and Van der Pauw / Hall bar configurations
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BrandLake Shore
OriginUSA
ModelM91
Measurement PrincipleFastHall™ (patented single-direction magnetic field Hall effect analysis)
ComplianceASTM F76, ISO/IEC 17025-compatible operation
Software InterfaceLakeSHORE HallScan™ v3.2 with 21 CFR Part 11 audit trail support
Standard Resistance Range10 mΩ to 10 MΩ
Extended Range (with M9-ADD-HR option)10 mΩ to 200 GΩ
Carrier Mobility Range0.001–1×10⁶ cm²/(V·s)
Sample ConfigurationsVan der Pauw, Hall bar, cloverleaf
Magnetic Field CompatibilityDC fields up to ±16 T (superconducting magnet-ready)
Thermal Drift MitigationSub-50 ms measurement window, active thermal compensation algorithm
Data Output FormatCSV, HDF5, XML
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Brandillumion
OriginUnited Kingdom
Manufacturer TypeAuthorized Distributor
Origin CategoryImported
ModelillumionONE
PricingUpon Request
Detection PrincipleCharge Photometry
Compatible Cell FormatButton Cells
Minimum Resolvable Particle Size>350 nm
Field of View112 × 70 µm
Magnification100×
Illumination Wavelength530 nm
Image Acquisition Frame Rate<100 Hz
Dimensions (W × D × H)40 × 50 × 31.5 cm
Electrochemical IntegrationFully Synchronized Potentiostat/Galvanostat Control
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