2.3.3.3.165. NXsts

Status:

application definition (contribution), extends NXspm

Description:

An application definition to describe Scanning Tunneling Spectroscopy (STS). ...

An application definition to describe Scanning Tunneling Spectroscopy (STS).

The NXsts application definition extends the NXapm and is dedicated for Scanning Tunneling Spectroscopy (STS) technique.

Symbols:

No symbol table

Groups cited:

NXbias_spectroscopy, NXcollection, NXentry, NXenvironment, NXinstrument, NXlockin, NXpid_controller, NXpiezo_config_spm, NXpositioner_spm, NXscan_control, NXsensor

Structure:

ENTRY: (required) NXentry ⤆

definition: (required) NX_CHAR ⤆

Name of the definition that is used for the application. ...

Name of the definition that is used for the application.

Obligatory value: NXsts

scan_mode: (required) NX_CHAR ⤆

The mode between the tip and sample of the tunneling spectroscopy experiment ...

The mode between the tip and sample of the tunneling spectroscopy experiment.

Any of these values or a custom value (if you use a custom value, also set @custom=True):

  • constant_height

  • constant_current

  • constant_spacing

INSTRUMENT: (required) NXinstrument ⤆

The instrument information.

lockin_amplifier: (optional) NXlockin ⤆

The lock-in amplifier information.

current_sensor: (optional) NXsensor ⤆

Information for current sensor.

voltage_sensor: (optional) NXsensor ⤆

The sensor information for the voltage device.

piezo_sensor: (required) NXsensor ⤆

The sensor information for the piezo device.

piezo_configuration: (optional) NXpiezo_config_spm ⤆

The piezo configuration information like piezoelectric device calibration and

POSITIONER_SPM: (required) NXpositioner_spm ⤆

The positioner information like the position of the tip, ...

The positioner information like the position of the tip, PID loop feedback etc.

z_controller: (required) NXpid_controller ⤆

The PID controller information for the z-axis.

tip_lift: (optional) NX_NUMBER {units=NX_LENGTH} ⤆

If the tip is lifted from the stable point.

switch_off_delay: (optional) NX_CHAR_OR_NUMBER {units=NX_TIME} ⤆

The switch-off delay of the controller from its stable point.

bias_spectroscopy_environment: (required) NXenvironment ⤆

To explain bias (sweep measurement) voltage applied to the sample.

BIAS_SPECTROSCOPY: (required) NXbias_spectroscopy ⤆

Setup and scan data for continuous measurement of bias-voltage on the su ...

Setup and scan data for continuous measurement of bias-voltage on the subject of experiment vs tunneling current from probe.

reproducibility_indicators: (optional) NXcollection ⤆

The group's concepts hold the link to the related concepts that define the ...

The group’s concepts hold the link to the related concepts that define the reproducibility of the STM experiment.

current: (optional) NX_NUMBER

The tunneling current between tip and sample after application of bias vol ...

The tunneling current between tip and sample after application of bias voltage. link to the target: /ENTRY[entry]/INSTRUMENT[instrument]/current_sensor/current

Note: The group name written inside the square brackets (e.g. entry in ENTRY[entry]) would be the exact instance name of the base class (e.g. NXentry) in the nexus file.

current_offset: (optional) NX_NUMBER

The offset in tunneling current between tip and sample after application o ...

The offset in tunneling current between tip and sample after application of bias voltage. link to the target: /ENTRY[entry]/INSTRUMENT[instrument]/current_sensor/current

Note: The group name written inside the square brackets (e.g. entry in ENTRY[entry]) would be the exact instance name of the base class (e.g. NXentry) in the nexus file.

current_gain: (optional) NX_NUMBER

Proportional relationship between the probe output voltage and the actual ...

Proportional relationship between the probe output voltage and the actual tunneling current when measuring the tunneling current. link to the target: /ENTRY[entry]/INSTRUMENT[instrument]/current_sensor/amplifier/current_gain

Note: The group name written inside the square brackets (e.g. entry in ENTRY[entry]) would be the exact instance name of the base class (e.g. NXentry) in the nexus file.

modulation_signal_type: (optional) NX_CHAR

This is the signal on which the modulation voltage or current will be adde ...

This is the signal on which the modulation voltage or current will be added. link to the target: /ENTRY[entry]/INSTRUMENT[instrument]/lockin_amplifier/modulation_signal_type

Note: The group name written inside the square brackets (e.g. entry in ENTRY[entry]) would be the exact instance name of the base class (e.g. NXentry) in the nexus file.

reference_frequency: (optional) NX_NUMBER

The frequency of the sine modulation that is used as carrier signal of inp ...

The frequency of the sine modulation that is used as carrier signal of input signal in lock-in. link to the target: /ENTRY[entry]/INSTRUMENT[instrument]/lockin_amplifier/reference_frequency

Note: The group name written inside the square brackets (e.g. entry in ENTRY[entry]) would be the exact instance name of the base class (e.g. NXentry) in the nexus file.

bias_sweep: (optional) NXscan_control

Bias sweep measurement in bias spectroscopy. ...

Bias sweep measurement in bias spectroscopy. Link to target: /ENTRY[entry]/INSTRUMENT[instrument]/bias_spectroscopy_environment/BIAS_SPECTROSCOPY[bias_spectroscopy]/bias_sweep

Note: The group name written inside the square brackets (e.g. entry in ENTRY[entry]) would be the exact instance name of the base class (e.g. NXentry) in the nexus file.

resolution_indicators: (optional) NXcollection ⤆

The group's concepts hold the link to the related concepts that define the ...

The group’s concepts hold the link to the related concepts that define the resolution of the STM experiment.

tip_temp: (optional) NX_NUMBER

Link to target: ...

Link to target: /ENTRY[entry]/INSTRUMENT[instrument]/scan_environment/tip_temp

Note: The group name written inside the square brackets (e.g. entry in ENTRY[entry]) would be the exact instance name of the base class (e.g. NXentry) in the nexus file.

cryo_bottom_temp: (optional) NX_NUMBER

Link to target: ...

Link to target: /ENTRY[entry]/INSTRUMENT[instrument]/scan_environment/cryo_bottom_temp

Note: The group name written inside the square brackets (e.g. entry in ENTRY[entry]) would be the exact instance name of the base class (e.g. NXentry) in the nexus file.

cryo_shield_temp: (optional) NX_NUMBER

Link to target: ...

Link to target: /ENTRY[entry]/INSTRUMENT[instrument]/scan_environment/cryo_shield_temp

Note: The group name written inside the square brackets (e.g. entry in ENTRY[entry]) would be the exact instance name of the base class (e.g. NXentry) in the nexus file.

modulation_signal_type: (optional) NX_CHAR

This is the signal on which the modulation voltage or current will be adde ...

This is the signal on which the modulation voltage or current will be added. link to the target: /ENTRY[entry]/INSTRUMENT[instrument]/lockin_amplifier/modulation_signal_type

Note: The group name written inside the square brackets (e.g. entry in ENTRY[entry]) would be the exact instance name of the base class (e.g. NXentry) in the nexus file.

modulation_frequency: (optional) NX_NUMBER

The frequency of the sine modulation that is used to modulate the signal i ...

The frequency of the sine modulation that is used to modulate the signal in lock-in. link to the target: /ENTRY[entry]/INSTRUMENT[instrument]/lockin_amplifier/modulation_frequency

bias_sweep: (optional) NXscan_control

Link to target: ...

Link to target: /ENTRY[entry]/INSTRUMENT[instrument]/bias_spectroscopy_environment/BIAS_SPECTROSCOPY[bias_spectroscopy]/bias_sweep

Note: The group name written inside the square brackets (e.g. entry in ENTRY[entry]) would be the exact instance name of the base class (e.g. NXentry) in the nexus file.

Hypertext Anchors

List of hypertext anchors for all groups, fields, attributes, and links defined in this class.

NXDL Source:

https://github.com/FAIRmat-NFDI/nexus_definitions/tree/fairmat/contributed_definitions/NXsts.nxdl.xml