Realization of complete coverage of stereospace spheres (naming the rotation angle in 3D polar coordinates).
(1). Fixed-axis rotation – phi, with the rotational axis parallel to the sample tray surface; (2). Rotation with body axis – theta, axis perpendicular to the sample holder surface;
Biaxial rotation-electrical transport
MultiFields – Rotating Electric Transmission Measurement – Integrated Solution
Mechanical axis phi , -10° to 370° rotation range; return difference less than 1°;
Piezoelectric axis theta , angular closed loop sensing 200°, rotation 360°;
8- / 12-channel measuring line (25 mm / 45 mm OD version);
Operating temperature 1.5 to 400 K; magnetic field up to 16 Tesla;
With Oxford TeslatronPT, PPMS, Cryogenics and Nanjing Pengli-CPMS systems, etc;
·System Component
Multifield Technology – Biaxial Rotation · Electrical Transport Measurement System Components
·System Components ~ Automated Measurement Software
Seamless support for third-party commercial · low-temperature superconducting magnet platforms; environmentally controlled, automated data acquisition, supports sequence automated measurements
·Specification
Spool I.phi
Spool II.theta
Axis of rotation
· Fixed rotary axis
· Mechanical rotation planes
· Spindle parallel to the surface of the sample holder
· Axis of rotation of accompanying body
· piezo-electric rotation
· Rotating axis perpendicular to the surface of the sample holder
Temperature range
1.6 ～ 370 K
Magnetic field range
Max. 18 T
Angle of rotation
-10 ～ 370 degrees
360 degrees
Outer diameter of sample rod
⌀25 mm, ⌀46 mm
Temperature control method
⌀25 mm, only monitor Temp.
⌀46 mm, control Temp.
Electrically usable test lines
⌀25: 8 pins
⌀46: 12 pins
Rotary control circuits
None
@4K environment
⌀25: 7 pins (closed-loop)
⌀46: 7 pins (closed-loop)
controllers
MF-Motor-Controller
MF-Piezo-Controller
Sample holder
PCB
Sample Tray Load
50 g
Angle sensing
Open Loop
⌀25: Closed Loop
⌀46: Closed Loop
·Data
The following data is based on a commercial cryogenic superconductivity platform using Multi-Tech Sample Rods + Multi-Tech Magnetic Resonance Meter.
Temperature dependence of spin Hall magnetoresistance (SMR)
测试条件：
Multifields® Swivel Rods
Multifields® Breakout box
QD-PPMS-9T
Keithley 2400 DC Source Meter
Keithley 2182 Nanovolt Meter
Test samples：
W(5)/CoFeB(0.9)/MgO(2)/Ta(2 nm)
Hall devices
Magnetic field and angle dependent second harmonic measurements
Test conditions：
Multifields® Rotating Rods
Multifields® Breakout box
QD-PPMS-9T
Keithley 6221 AC Current Source
Stanford SR830 Lock-in Amplifier ×2
Test Sample：
Co(3)/Pt(5 nm)
Hall devices
Angular dependence of magnetoresistance and magnetic field in topological insulators
MultiFields
China
Huairou District, Beijing
Building 2, Nonferrous Metals New Materials Science Park, Huairou Science City, Huairou District, Beijing
Tel：(+86) 186 0055 3105
Wechat：186 0055 3105
Websites：multi-field.com
Email：info@multi-field.com