Then, {HEAD ~ a second topographic image} of the sample free of magnetic effects is produced from {TAIL ~ the amplitude} of the cantilever by slope detection 
Then , { HEAD ~ a second topographic image } of the sample free of magnetic effects is produced from { TAIL ~ the amplitude } of the cantilever by slope detection
OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH REL REL REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH