Magnetic Property Measurement System MPMS XL

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Transcript Magnetic Property Measurement System MPMS XL

Magnetic Property Measurement
System
MPMS XL
Configurations
MPMS XL is offered in 2 configurations
MPMS XL-5 (5 Tesla)
MPMS XL-7 (7 Tesla)
Principal components of this measurement system
Temperature Control System ( 1.7 K to 400 K)
Magnet Control System ( ± 5 T)
Sample Handling System
Computer Operating System
Super conducting SQUID Amplifier System
1.
Sample rod
2.
Sample rotator
3.
Sample transport
4.
Probe assembly
5.
He level Sensor
6.
Superconducting
Solenoid
7.
Flow Impedance
8.
Squid capsule
with magnetic
shield
9.
Superconducting
pick-up coil
10. Dewar Isolation
cabinet
11. Dewar
12. Printer
13. Magnetic power
supply
14. Temp. controller
15. Console Cabinet
16. Power distribution
unit
17.MPMS controller
18. Gas/Magnet control
unit
19. Computer
20. Monitor
Specifications of MPMS XL-5
Field =5 Tesla
Temperature=1.7K to 400 K
Sweeping rate=0.001K to 10K/Min
Possible Measurements
Magnetization vs. Temperature (M vs.
T):Default settings: 300K-10K, Temperature interval 5K
Zero Field Cooling
Field Cooling
AC Susceptibility
Magnetization vs. Field (M vs. H):Default settings: 5T to +5T step size 0.5T Hysteresis
Hysteresis
Features of MPMS MultiVu
Software
Simultaneous Access to all aspects of system operation:
sequence setup,data analysis,data display
Enables multiple documents and view to be visible and useable
at the same time
Simultaneous display of data files in multiple formats (e.g..
Graphs vs. texts)
Automated Background Subtraction
SQUID Magnetometer Facility
(Division of Chemical Sciences)
Request Form:
Date of Submission:
Sample name:
Email Id:
Phone No:
Experiment details:
1.Magnetisation Vs Temperature (M vs. T)
Temperature Range (Default settings: 300K-10K, Temperature interval 5K):
Magnetic Field (0-5T):
(Typical measurement time for default settings: 7hours)
2.Magnetisation Vs Field (M vs. H)
Field (Default settings: -5T to +5T step size 0.5T):
Temperature:
(Typical measurement time for default settings: 6hours)
Note: If you require M vs H measurement at more than two temperatures, please submit a separate request
form.
Signature of the Research Supervisor
OPERATORE’S USE
Time taken
:
Date of completion:
Limitations
•Measurement
of hysteresis at more than two
temperatures is considered as II sample
•Measurement below 10K also considered as II
sample (because it is necessary for the instrument to
be stable at 10K at least for 1 hour before going
below 10K)
•Sample should be submitted only on Friday
Total Number of Measurements Done
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Total Number of Working days =
Total
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Physics =
SSCU
=
MRC
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ISU
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Metallurgy =
Outside =
IPC
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