]
my_file = stlab.newfile(prefix + '_',
idstring + '_metadata',
autoindex=False,
colnames=parameters,
usefolder=False,
mypath=os.path.dirname(my_file_2.name),
usedate=False)
stlab.writeline(my_file, parameters_line)
# saving the plots
title = 'Resistance'
caption = ''
stlab.autoplot(my_file_2,
'gate voltage (V)',
'Resistance (k ohm)',
title=title,
caption=caption)
title = 'Phase'
caption = ''
stlab.autoplot(my_file_2,
'gate voltage (V)',
'phase ()',
title=title,
caption=caption)
title = 'Duration'
caption = ''
stlab.autoplot(my_file_2,
'gate voltage (V)',
'demodulation duration (s)',
title=title,
print('MEASUREMENT FINISHED')
gate_dev.RampVoltage(0,tt=ramp_time) # to safely return back the gate voltage
zhinst.utils.disable_everything(daq, device)
dev.SetOutputOff()
#######################################################################
''' saving the data '''
if save_data:
# saving the metafile
plt.savefig(os.path.dirname(my_file_2.name)+'\\'+prefix)
my_file_2.close()
# saving extra plots
title = 'Temperature'
caption = ''
stlab.autoplot(my_file_2,'time (s)','temperature (K)',title=title,caption=caption)
plt.pause(0.1)
#######################################################################
''' saving the data '''
if save_data:
# saving the metafile
plt.savefig(os.path.dirname(my_file.name) + '\\' + prefix)
# saving the plots
title = 'Resistance'
caption = ''
stlab.autoplot(my_file,
'Current (A)',
'Resistance (k ohm)',
title=title,
caption=caption)
title = 'Phase'
caption = ''
stlab.autoplot(my_file,
'Current (A)',
'phase ()',
title=title,
caption=caption)
title = 'Duration'
caption = ''
stlab.autoplot(my_file,
'Current (A)',
'demodulation duration (s)',
title=title,
myfile.write('\n')
# stlab.metagen.fromarrays(myfile, iBiaslist, range(i+1), xtitle='Iset (A)',ytitle='Index_Voltage ()',colnames=colnames)
time.sleep(time_sleep/5)
plt.plot(Vglist,resistance_array, 'o', color=palette(count), linewidth=1, alpha=0.9, label='{:.1f}nA'.format(bias_current*1e9))
plt.legend()
plt.title(prefix)
plt.pause(0.1)
plt.savefig(os.path.dirname(myfile.name)+'\\'+prefix)
ivvi.RampVoltage(vgdac,0.,tt=1.)
ivvi.RampAllZero(tt=1.)
ivvi.close()
zhinst.utils.disable_everything(daq, device)
v_gateleakage.close()
Keysight.RampVoltage(0.,tt=1.)
Keysight.close()
# saving suppelemntary plots
title = 'Resistance'
caption = ''
stlab.autoplot(myfile,'Iset (A)','Resistance (k ohm)',title=title,caption=caption)
title = 'Leakage Current'
caption = ''
stlab.autoplot(myfile,'Iset (A)','Leakage Current (A)',title=title,caption=caption)
myfile.close()
color=palette(count),
linewidth=1,
alpha=0.9,
label='{:.0f}Vg'.format(Vg))
plt.legend()
plt.title(prefix)
plt.pause(0.1)
plt.savefig(os.path.dirname(myfile.name) + '\\' + prefix)
ivvi.RampVoltage(vgdac, 0., tt=1.)
ivvi.RampAllZero(tt=1.)
ivvi.close()
zhinst.utils.disable_everything(daq, device)
v_gateleakage.close()
Keysight.RampVoltage(0., tt=1.)
Keysight.close()
# saving suppelemntary plots
title = 'Resistance'
caption = ''
stlab.autoplot(myfile, 'Iset (A)', 'Rmeas (Ohm)', title=title, caption=caption)
title = 'Leakage Current'
caption = ''
stlab.autoplot(myfile,
'Iset (A)',
'Leakage Current (A)',
title=title,
caption=caption)
myfile.close()
KEYSIGHT.write('INST:SEL "NA"') #set mode to Network Analyzer
KEYSIGHT.SinglePort() #changed this to from twoport to singleport
KEYSIGHT.write("SENS:SWE:POIN " + str(numPoints))
KEYSIGHT.write("SENS:FREQ:START " + str(startFreq))
KEYSIGHT.write("SENS:FREQ:STOP " + str(stopFreq))
KEYSIGHT.SetPower(power)
#device.write("SENS:DIF:BAND " + str(bandwidth)) #this crashes the fieldfox error -113
KEYSIGHT.SetIFBW(100.)
myfile = stlab.newfile(prefix, '_', autoindex=True, mypath=path)
data = KEYSIGHT.MeasureScreen_pd()
stlab.saveframe(
myfile,
data) #Save measured data to file. Written as a block for spyview.
myfile.close()
stlab.autoplot(myfile,
'Frequency (Hz)',
'S11dB (dB)',
title=prefix,
caption=caption)
stlab.autoplot(myfile,
'Frequency (Hz)',
'S11Ph (rad)',
title=prefix,
caption=caption)
plt.ylabel('bias current [nA]')
plt.xlabel('gate voltage [V]')
plt.xlim(Vgmin, Vgmax)
plt.pause(0.1)
plt.savefig(os.path.dirname(myfile.name) + '\\' + prefix)
ivvi.RampVoltage(S1h_dac, 0., tt=30.)
ivvi.RampAllZero(tt=2.)
vmeas.close()
ivvi.close()
myfile.close()
title = 'Resistance'
caption = ''
stlab.autoplot(myfile,
'gate voltage (V)',
'Resistance (ohm)',
title=title,
caption=caption)
title = 'Leakage Current'
caption = ''
stlab.autoplot(myfile,
'gate voltage (V)',
'leakage current (nA)',
title=title,
caption=caption)