VSM (Vibrating Sample Magnetometer) System

Manufacturer : Lake-Shore Cryotronics, Inc.

System Configurations

• 1 x 10-7 emu noise floor at 10 seconds/point
• 7.5 x 10-7 emu noise floor at 0.1 seconds/point
• Stability of ±0.05% PER DAY
• Fields to >3 tesla
• Temperature options from 4.2K to 1273K
• Vector and autorotation options
• New hardware and new software

Model	7404	7407	7410
Magnetic Field Range *** RT-Room Temp. *** **VT-Variable Temp.**	14.5 kG (1.45T) - RT	21kG (2.1 T) - RT	28.5 kG (2.85 T) - RT
Magnet Power Supply	Linear Bi-polar	Linear Bi-polar	Linear Bi-polar
Sensitivity (emu)	1 x 10-7 to 1000	1 x 10-7 to 1000	1 x 10-7 to 1000
OPTIONS
Vector Coils (Torque)	..	*	*
Autorotation	*	*	*
Temperature options	LHe/LN2	Oven	.
	4.2K, 5.5K to 450K	305K to 1273K	.

Model 7404

Model 7407

Hall effect measurement System

Manufacturer : Lake-Shore Cryotronics, Inc.

• For Magnetic thin film materials (multilayer GMR, CMR, exchange-bias and spin valve)
• Magnetic property Measurement & Analysis : M-H Curves, Coercivity, Retentivity, Torque, Anisotropic, MR, GMR
  
  

• Model	7600 series	7700A series	9709A
  Configuration
  Magnet	EM4-HVA,EM7-HV, EM12-HF	EM4-HVA,EM7-HV, EM12-HF	Superconducting
  Magnet Power Supply	662 (or 642), 665, 668	662 (or 642), 665, 668	625
  Mode	DC	DC	DC
  Measurement options	.	.	.
  Variable temp.	yes	yes	yes
  Variable Field	yes 1 T : 4 inch, 2 T : 7 inch, 2 T : 12 inch	yes 1 T : 4 inch, 2 T : 7 inch, 2 T : 12 inch	yes 9 T
  Hall Effect System Options
  	7604 and 7607	7704A and 7707A	9709A
  Temperature Option		.
  standard	Model 75011 RT/77K interface (LN2)	Model 75013 RT/77K interface (LN2)	Superconducting platform 4K to 400K
  Cryostat Option	76014	75014	Not applicable
  Type	Closed Cycle Refrigerator	Closed Cycle Refrigerator
  Temperature range	15K to 350K	15K to 350K
  Oven Options	76016	75016	Not applicable
  Type	High temp. oven	High temp. oven
  Temperature range	300K to 800K	300K to 800K
  QMSA	Yes	Yes	Yes
  AC current	76020 and 76020-4	77020	77020
  Contact blasting	Standard feature	77021	77021

  

Electromagnet-Based Hall Measurement Systems 

- Field to 2T
- Standard sample resistance range:
* 7600 series: 10 mΩ to 10 MΩ
* 7700A sereis: 0.4mΩ to 200GΩ
- Temperature range: from 15K to 800Kwith optional oven and CCR
- 12 in EM accommodates up to a 15.2cm (6in) diameter wafer
- 7600 series measures up to 4 sample simutaneously
- AC current option measures resistances down to 10µΩ
- Quantitative Mobility Spectrum Analysis (QMSA) software resolves individual carrier mobilities and densities in multi-carrier devices

9709A Superconducting Magnet Hall Measurement Systems
- Standard Sample resistance ranges from 0.04mΩ to 200 GΩ
- Fields to 9 tesla
- Temperatures from 2K to 400K
- AC current option measures resistances down to 10µΩ
- Quantitative mobilit spectrum Analysis (QMSA) software resolves individual carrier mobilities and densities in multi-carrier devices

Electromagnet-Based HMS

Electromagnt (전자석)

Manufacturer : Lake-Shore Cryotronics, Inc.

• Continuously adjustable poles allow rapid air gap changes to suit individual experiments, assuring magnet versatility
• Exceptional field intensities achieved with cylindrical or tapered pole caps
• Water-cooled coils provide excellent field stability and uniformity
• Removable pole caps facilitate variable pole face configurations and easy pole cap exchange
• Accurate pole alignment by precise construction of the air gap adjustment mechanism
• Precision yoke of magnetically soft, ultra-pure steel to assure precise alignment of the pole caps - critical for good homogeneity and reproducibility
• The EM7 yoke is oriented at a 45° angle and the EM4 yoke at a 40° angle for optimum air gap accessibility
• Compact size of the EM4 permits convenient bench-top mounting
• Optional optical access pole caps available
  

Model	EM4-HVA	EM7-HV
Magnetid Field range	3.1T with 0.125" air gap 1.6T with 1" air gap	25.2kG with 3" pole face, 1/2"air gap
Max. Current	±70A	±100A
Air gap	Variable 4"	Variable 7"
Pole Faces	1" to 4"	3" to 6"
Optical access	Yes	Yes

* Vertical Electromagnet : EM4-HVV, EM7-HVV, EM10-HVV

Superconducting Magnet system (초전도 자석)

Manufacture : Cryomagnetics, Inc.

• Laboratory Superconducting Magnets
  - NbTi Superconducting Solenoid Magnets (9T or less at 4.2K0
  - Ni3Sn Superconducting Magnets (10T or greater at 4.2K)
  - NbTi Superconducting Split-Pair Magnets (8T or less at 4.2K)
  
  * Cryomagnetics specializes in design and manufacture of custom-design superconducting magnets for the customer's applications. 

• Cryogenic-free Superconductor magnet Systems
  4.2K Gifford-McMahon based systems
  4.2K GM Superconducting magnet systems are available with gimble-mount stands to allow easy vertical or horizontal access to the high field region.
  A 5Tesla system with 61mm diameter room temperature bore access
  Higher magnetic field and larger bore di. systems are available
  
  4.2K Pulse Tube Cryocooled Systems
  4.2K pulse tube cryocooler is avaialble with 0.5Watts cooling power at 4.2K and a water-cooled compressor. Larger cooling capacity cryocoolers are in development.

• Nuclear Magnetic Resonance (NMR) systems
  
  Actively-shielded and standard NMR system are available
  Field : 2.35T - 11.75T
  Frequency : 100 MHz - 500MHz
  Clear Bore : 52mm - 127mm
  Homogeneity (w/o SC shims) : 10 ppm
  Homogeneity (with SC shims) : 0.1 ppm

• Ion Cyclotron Resonance (ICR).
  
  9.4T (left) and 7.0T Actively-Shielded Superconducting Magnet Systems for ICR
  Actively-Shielded 12.0 Tesla system are now shipping
  The world's first commerically available liquid cryogen-free superconducting amgnet system for ICR

• Special Cupercondicting Magnet Systems
  - Gryotron
  - C-Mag, Ultra Compact Liquid Cryogen-free Superconducting Magnet Systems
  - High Temperature Superconducting Magnet System
  - Minimum Cryogen Volume and Zero Loss Systems
  

Electromagnet power supply (전자석 전원장치)

Manufacturer : Lake-Shore Cryotronics, Inc.

660 series

• Linear, bipolar, water-colled power supply
• 100 ppm class current stability
• Low ripple noise (from 5 mV)
• CE compliant
• Local and remote programming and monitoring
• LEDs indicating power supply status
• Power output disable upon fault detection
• Thermally protected
• Output connectors at cabinet rear, protected by removable cover
• Steel cabinet with wheels and leveling feet

662	665	668
±70A/±35V/2.4kW	±100A/±50V/5kW	±135A/±65V/8.8kW

642 series;

• Bipolar, linear, true 4-quadrant output
• ±70 A/±35 V, 2.5 kW
• Can be modulated to frequencies up to 0.17 Hz at ±70 A
• Low noise
• 0.1 mA of programmed current resolution
• Analog programming and IEEE-488 and RS-232C interfaces
• Built-in fault protection
• Compat design

Superconducting magnet power supply (초전도 자석 전원장치)

Manufacture : Lake Shore Cryotronics, Inc.

Model 625
* 60 A/5 V, bipolar, true 4-quadrant output
* 0.1 mA output setting resolution
* Linear regulation minimizes noise
* Ripple ≤ 0.007% of maximum current (into a 1 mW load)
* 1 mA per hour stability
* Parallel operation to ±120 A


Manufacture : Cryomagnetics, Inc.

Model CS4-10
* All Model CS4-10V versions are CE-Marked, fully meeting the
requirements for importation into the European Union.
* True Bipolar Operation with smooth sweeps through zero.
* Automated ramp with variable sweep rate settings.
* Flexible computer control via the standard RS-232 interface (IEEE-488.2 available).
* LabVIEW® drivers available at no extra charge.

model number	Current Output	Output Voltage
CS4-10V/60	±60A	± 10 V
CS4-10V/100	±100A	± 10 V
CS4-10V/125	±125A	± 10 V from 0 to 100 A ± 5 V from 101 to 125 A
CS4-10/SHIM	±100A and the capability of setting up to 12 shim coils	±10 Volts

Model MPS Supercondcuting Magnet Power Supply
* Full Color, backlit TFT LCD Display
* True Bipolar operation
* 0.1mA current settability
* USB, Ethernet, IEEE-488 interfaces standard
* Three models available 1) ±100A, ±10V, 2)±200A, ±10V, 3) ±Dual ±100A, ±10V outputs
* SHIM option available
* Intuitive menu system
* Variable ramp rate settings over 5 ranges
* Persistent switch heater
* Fully quench protected
* Sefety interlocks
* LabVIEW drives

Model 625

Model CS4-10

Gaussmeter & probes, Hall generatorst (자속밀도 측정기, 센서)

Manufacturer : Lake-Shore Cryotronics, Inc.

• Magnetic field measurement

  Model 412, 413 (Electromagnetic field meter)

  • Covers 30 times the frequency bandwidth of other AC magnetic field meters on the market
  • Wide frequency range - 15 Hz to 300 Hz
  • Handheld, compact, and lightweight
  • Ranges: 199.9 mG; 1999 mG (Autoranging)
  • 0.1 mG resolution
  • Max Hold retains the highest reading and allows measurements outside the line of sight
  • Low battery
    
    

  Model 410 hand-held Gaussmeter

  • Resolutin to 3 1/2 digits (1 part out of ±2000)
  • Ranges(autoranging) : ±200G, ±2kG, ±20kG
  • Accuracy : 2% of reading(DC), ±5% of reading(AC)
  • Frequency response : DC and 20Hz to 10kHz
  • Front panel key functions include: Max hold, Relative, Alarm, Filter

Model 421 Gaussmeter

• Resolution : 4¾ digits (1 part out of of 30,000)
• Accuracy : ±0.20% (DC), ±2% of reading (AC)
• Alarm with relay
• Serial interface
• Analog voltage outputs
• Standard probe include

Model 455 Gaussmeter

• Field ranges from 35 mG to 350 kG
• DC measurement resolution to 0.02 mG
• Basic DC accuracy of ±0.075%
• DC to 20 kHz AC frequency range
• AC narrow and wide band modes
• 2-line display
• Peak capture to 50 μs pulse widths
• Probe "hot swap"
• 3 analog voltage outputs
• IEEE-488 and Serial interface
• Standard and custom Hall effect probes available

Model 475 DSP Gaussmeter

• Field ranges from 35 mG to 350 kG
• DC measurement resolution to 20 μG (2 nT)
• Basic DC accuracy of ±0.05%
• DC to 50 kHz frequency range
• 15 band-pass and 3 low-pass AC filters
• Peak capture 20 μs pulse widths
• Data buffer sampling rates to 1000 readings per s
• Computer interface sampling rates to 100 new readings per s
• Integrated electromagnet field control algorithm
• Probe "hot swap"
• 3 analog voltage outputs
• IEEE-488 and Serial interface
• Standard and custom Hall effect probes available

Model 460 3-Channel Gaussmeter

• Can be operated with 3 individual probes, 1 single 2-axis probe and 1 individual probe, or a single 3-axis probe
• Displays each axis simultaneously
• Resolution : 5¾ digits (1 part out of ±300,000)
• Accuracy : ±0.10% of reading ±0.005% of range
• IEEE-488 and serial interface (standard)
• Display each axis simultaneously
• Vecrro magnetitude reading
• Peak capture
• Analog voltage output

Gaussmeter probes :

• Axial probes
• Flexible Axial Probes
• Cryogenic Axial Probes
• Transverse probes
• Flexible Transverse Probes
• Cryogenic Transverse Probes
• Tangential Probes
• Two-Axis Probes
• Three Axis Probes
• Gamma probe



Reference magnet

Probes

Hall generators

• Axial, Transverse and Cryogenic
• possible for custom-made (User specific choice)

Fluxmeter & Search coil, Helmholtz coil (자속계)

Manufacturer : Lake-Shore Cryotronics, Inc.

• Measurement of magnetic flux of materials

  Model 480 Fluxmeter

  • DC resolution : 5¾ digits
  • DC input resistance : 100kW or 10kW
  • DC range : 3mV(10kW) ~300mV (100kW)
  • DC resolution : 0.0005~0.001 mVs.
  • AC range/resolution : 30mVs/0.01mVs, 300mVs/0.01mVs, 3mVs/0.0001mVs, 30mVs/0.001mVs)
  • IEEE-488 and Serial interfaces (standard)
  • Fluxmeter field probes

  Helmholtz coil

  Model Number	FH-2.5	FH-6	FH-12
  Inside diameter	2.5"	6"	12"
  Coil Resistance	35W	110W	140W

  Search Coils

Scanning Hall Probe Microscopes

A unique quantitative and non-invasive instrument to measure surface magnetic fields at nanometer scale

• Image local magnetic fields with unprecedented sensitivity: upto 50nm spatial resolution ?7μT/?Hz @ 300K , 60nT/?Hz @ 77K, 60nT/?Hz @ 4K magnetic field resolution
• Quantitative : measure magnetic field values directly with nanometer resolution
• Non-invasive: ~0.40 Gauss self field
• Local magnetization measurements at nanometer scale B-H, M-H curves
• Real-Time scans (~1 frame/s) to investigate dynamic magnetic phenomena
• SHPM, STM, AFM operation with single instrument
• Compatible with PPMS from Quantum Design Inc
• Fits into almost ay cryostat, 23.6mm o.d.
• Simultaneous SHPM and STM operation
• SHPM operation in the lift-off mode
• Room Temperature(RT-SHPM) and Low Temperature (LT-SHPM)?versions are available

Room Temp.Scanning Hall Probe Microscope (RT-SHPM)

Low Temp. Scanning Hall Probe Microscope (LT-SHPM)

Imaging modes	SHPM, STM, AFM
Scan Size	Large area scan head	Standard scan head
	120x120μm@300K 32x32μm@77K 18x18μm@4.2K	52x52μm@300K 14x14μm@77K 6x6μm@4.2K
Z-range	7.0μm@300K 1.8μm@77K 0.8μm@4.2K	4.8μm@300K 1.2μm@77K 0.5μm@4.2K
Head Dimensions	23.6mm OD x 125mm	24.5m OD x 100mm
	Compatible with PPMS from Quantum Design
Sample approach	Stick-Slip type: 100mm Z, ?3mm XY range with 50-800nm step size, Optional: XY encoder
Sample size	15 x 15 x 5 mm maximum
Temp. range	mK-300K
Magnetid Field	>14T

Low Temp. Scanning Probe Miscroscope (LT-SPM)

A user-friendly Low Temperature Scanning probe Microscope for STM, AFM, SHPM, NSOM and other SPM experiments

• mK-300K operation
• Compatible with PPMS from Quantum Design Inc.
• Small size, 23.6mm or 25.4mm o.d.
• x,y & z coarse sample positioning