id sid tid token lemma pos ks65h99339z 1 1 there there PRON ks65h99339z 1 2 has have AUX ks65h99339z 1 3 been be AUX ks65h99339z 1 4 much much ADJ ks65h99339z 1 5 interest interest NOUN ks65h99339z 1 6 in in ADP ks65h99339z 1 7 the the DET ks65h99339z 1 8 study study NOUN ks65h99339z 1 9 of of ADP ks65h99339z 1 10 topological topological ADJ ks65h99339z 1 11 insulators insulator NOUN ks65h99339z 1 12 ( ( PUNCT ks65h99339z 1 13 ti ti PROPN ks65h99339z 1 14 ) ) PUNCT ks65h99339z 1 15 recently recently ADV ks65h99339z 1 16 . . PUNCT ks65h99339z 2 1 due due ADP ks65h99339z 2 2 to to ADP ks65h99339z 2 3 their their PRON ks65h99339z 2 4 unique unique ADJ ks65h99339z 2 5 electronic electronic ADJ ks65h99339z 2 6 structure structure NOUN ks65h99339z 2 7 , , PUNCT ks65h99339z 2 8 these these DET ks65h99339z 2 9 new new ADJ ks65h99339z 2 10 materials material NOUN ks65h99339z 2 11 have have AUX ks65h99339z 2 12 been be AUX ks65h99339z 2 13 an an DET ks65h99339z 2 14 active active ADJ ks65h99339z 2 15 area area NOUN ks65h99339z 2 16 of of ADP ks65h99339z 2 17 research research NOUN ks65h99339z 2 18 to to PART ks65h99339z 2 19 discover discover VERB ks65h99339z 2 20 new new ADJ ks65h99339z 2 21 quantum quantum NOUN ks65h99339z 2 22 phenomena phenomenon NOUN ks65h99339z 2 23 and and CCONJ ks65h99339z 2 24 their their PRON ks65h99339z 2 25 application application NOUN ks65h99339z 2 26 in in ADP ks65h99339z 2 27 new new ADJ ks65h99339z 2 28 technologies technology NOUN ks65h99339z 2 29 . . PUNCT ks65h99339z 3 1 unlike unlike ADP ks65h99339z 3 2 the the DET ks65h99339z 3 3 electronic electronic ADJ ks65h99339z 3 4 structure structure NOUN ks65h99339z 3 5 observed observe VERB ks65h99339z 3 6 in in ADP ks65h99339z 3 7 traditional traditional ADJ ks65h99339z 3 8 semiconductors semiconductor NOUN ks65h99339z 3 9 , , PUNCT ks65h99339z 3 10 the the DET ks65h99339z 3 11 strong strong ADJ ks65h99339z 3 12 spin spin NOUN ks65h99339z 3 13 - - PUNCT ks65h99339z 3 14 orbit orbit NOUN ks65h99339z 3 15 coupling coupling NOUN ks65h99339z 3 16 induces induce VERB ks65h99339z 3 17 a a DET ks65h99339z 3 18 band band NOUN ks65h99339z 3 19 inversion inversion NOUN ks65h99339z 3 20 in in ADP ks65h99339z 3 21 the the DET ks65h99339z 3 22 electronic electronic ADJ ks65h99339z 3 23 structure structure NOUN ks65h99339z 3 24 of of ADP ks65h99339z 3 25 tis tis PRON ks65h99339z 3 26 . . PUNCT ks65h99339z 4 1 one one NUM ks65h99339z 4 2 of of ADP ks65h99339z 4 3 the the DET ks65h99339z 4 4 side side NOUN ks65h99339z 4 5 effects effect NOUN ks65h99339z 4 6 of of ADP ks65h99339z 4 7 this this DET ks65h99339z 4 8 band band NOUN ks65h99339z 4 9 inversion inversion NOUN ks65h99339z 4 10 is be AUX ks65h99339z 4 11 creating create VERB ks65h99339z 4 12 metallic metallic ADJ ks65h99339z 4 13 - - PUNCT ks65h99339z 4 14 like like ADJ ks65h99339z 4 15 surface surface NOUN ks65h99339z 4 16 states state NOUN ks65h99339z 4 17 at at ADP ks65h99339z 4 18 the the DET ks65h99339z 4 19 material material NOUN ks65h99339z 4 20 's 's PART ks65h99339z 4 21 surface surface NOUN ks65h99339z 4 22 that that PRON ks65h99339z 4 23 are be AUX ks65h99339z 4 24 protected protect VERB ks65h99339z 4 25 by by ADP ks65h99339z 4 26 time time NOUN ks65h99339z 4 27 invariance invariance NOUN ks65h99339z 4 28 and and CCONJ ks65h99339z 4 29 whose whose DET ks65h99339z 4 30 spin spin NOUN ks65h99339z 4 31 angular angular ADJ ks65h99339z 4 32 momentum momentum NOUN ks65h99339z 4 33 is be AUX ks65h99339z 4 34 locked lock VERB ks65h99339z 4 35 to to ADP ks65h99339z 4 36 the the DET ks65h99339z 4 37 direction direction NOUN ks65h99339z 4 38 of of ADP ks65h99339z 4 39 the the DET ks65h99339z 4 40 momentum momentum NOUN ks65h99339z 4 41 of of ADP ks65h99339z 4 42 the the DET ks65h99339z 4 43 electron.these electron.these ADJ ks65h99339z 4 44 surface surface NOUN ks65h99339z 4 45 states state NOUN ks65h99339z 4 46 are be AUX ks65h99339z 4 47 essentially essentially ADV ks65h99339z 4 48 resistant resistant ADJ ks65h99339z 4 49 to to ADP ks65h99339z 4 50 scattering scatter VERB ks65h99339z 4 51 events event NOUN ks65h99339z 4 52 that that PRON ks65h99339z 4 53 otherwise otherwise ADV ks65h99339z 4 54 affect affect VERB ks65h99339z 4 55 other other ADJ ks65h99339z 4 56 materials material NOUN ks65h99339z 4 57 . . PUNCT ks65h99339z 5 1 leveraging leverage VERB ks65h99339z 5 2 the the DET ks65h99339z 5 3 characteristic characteristic ADJ ks65h99339z 5 4 scattering scatter VERB ks65h99339z 5 5 resistance resistance NOUN ks65h99339z 5 6 , , PUNCT ks65h99339z 5 7 the the DET ks65h99339z 5 8 spin spin NOUN ks65h99339z 5 9 - - PUNCT ks65h99339z 5 10 momentum momentum NOUN ks65h99339z 5 11 locking locking NOUN ks65h99339z 5 12 of of ADP ks65h99339z 5 13 the the DET ks65h99339z 5 14 surface surface NOUN ks65h99339z 5 15 states state NOUN ks65h99339z 5 16 , , PUNCT ks65h99339z 5 17 and and CCONJ ks65h99339z 5 18 the the DET ks65h99339z 5 19 dirac dirac PROPN ks65h99339z 5 20 cone cone NOUN ks65h99339z 5 21 structure structure NOUN ks65h99339z 5 22 , , PUNCT ks65h99339z 5 23 a a DET ks65h99339z 5 24 spin spin NOUN ks65h99339z 5 25 - - PUNCT ks65h99339z 5 26 resonant resonant NOUN ks65h99339z 5 27 tunneling tunneling NOUN ks65h99339z 5 28 diode diode NOUN ks65h99339z 5 29 using use VERB ks65h99339z 5 30 topological topological ADJ ks65h99339z 5 31 insulators insulator NOUN ks65h99339z 5 32 has have AUX ks65h99339z 5 33 been be AUX ks65h99339z 5 34 investigated investigate VERB ks65h99339z 5 35 to to PART ks65h99339z 5 36 implement implement VERB ks65h99339z 5 37 a a DET ks65h99339z 5 38 negative negative ADJ ks65h99339z 5 39 differential differential ADJ ks65h99339z 5 40 resistance resistance NOUN ks65h99339z 5 41 device device NOUN ks65h99339z 5 42 . . PUNCT ks65h99339z 6 1 utilizing utilize VERB ks65h99339z 6 2 the the DET ks65h99339z 6 3 spin spin NOUN ks65h99339z 6 4 texture texture NOUN ks65h99339z 6 5 of of ADP ks65h99339z 6 6 the the DET ks65h99339z 6 7 surface surface NOUN ks65h99339z 6 8 states state NOUN ks65h99339z 6 9 , , PUNCT ks65h99339z 6 10 an an DET ks65h99339z 6 11 additional additional ADJ ks65h99339z 6 12 spin spin NOUN ks65h99339z 6 13 - - PUNCT ks65h99339z 6 14 filter filter NOUN ks65h99339z 6 15 can can AUX ks65h99339z 6 16 help help VERB ks65h99339z 6 17 to to PART ks65h99339z 6 18 suppress suppress VERB ks65h99339z 6 19 the the DET ks65h99339z 6 20 valley valley NOUN ks65h99339z 6 21 current current NOUN ks65h99339z 6 22 in in ADP ks65h99339z 6 23 a a DET ks65h99339z 6 24 negative negative ADJ ks65h99339z 6 25 differential differential ADJ ks65h99339z 6 26 resistance resistance NOUN ks65h99339z 6 27 device device NOUN ks65h99339z 6 28 . . PUNCT ks65h99339z 7 1 in in ADP ks65h99339z 7 2 the the DET ks65h99339z 7 3 spin spin NOUN ks65h99339z 7 4 - - PUNCT ks65h99339z 7 5 resonant resonant NOUN ks65h99339z 7 6 tunneling tunneling NOUN ks65h99339z 7 7 diode diode NOUN ks65h99339z 7 8 , , PUNCT ks65h99339z 7 9 the the DET ks65h99339z 7 10 tunneling tunneling NOUN ks65h99339z 7 11 process process NOUN ks65h99339z 7 12 would would AUX ks65h99339z 7 13 also also ADV ks65h99339z 7 14 benefit benefit VERB ks65h99339z 7 15 from from ADP ks65h99339z 7 16 having have VERB ks65h99339z 7 17 protection protection NOUN ks65h99339z 7 18 from from ADP ks65h99339z 7 19 conventional conventional ADJ ks65h99339z 7 20 scattering scattering NOUN ks65h99339z 7 21 processes process NOUN ks65h99339z 7 22 due due ADJ ks65h99339z 7 23 to to ADP ks65h99339z 7 24 defects defect NOUN ks65h99339z 7 25 and and CCONJ ks65h99339z 7 26 thickness thickness NOUN ks65h99339z 7 27 or or CCONJ ks65h99339z 7 28 line line NOUN ks65h99339z 7 29 edge edge NOUN ks65h99339z 7 30 roughness.this roughness.this DET ks65h99339z 7 31 research research NOUN ks65h99339z 7 32 is be AUX ks65h99339z 7 33 focused focus VERB ks65h99339z 7 34 on on ADP ks65h99339z 7 35 the the DET ks65h99339z 7 36 manufacturing manufacturing NOUN ks65h99339z 7 37 of of ADP ks65h99339z 7 38 a a DET ks65h99339z 7 39 spin spin NOUN ks65h99339z 7 40 - - PUNCT ks65h99339z 7 41 filtered filter VERB ks65h99339z 7 42 tunnel tunnel NOUN ks65h99339z 7 43 diode diode NOUN ks65h99339z 7 44 . . PUNCT ks65h99339z 8 1 using use VERB ks65h99339z 8 2 molecular molecular ADJ ks65h99339z 8 3 beam beam NOUN ks65h99339z 8 4 epitaxy epitaxy PROPN ks65h99339z 8 5 to to PART ks65h99339z 8 6 grow grow VERB ks65h99339z 8 7 a a DET ks65h99339z 8 8 three three NUM ks65h99339z 8 9 - - PUNCT ks65h99339z 8 10 layer layer NOUN ks65h99339z 8 11 heterostructure heterostructure NOUN ks65h99339z 8 12 , , PUNCT ks65h99339z 8 13 with with ADP ks65h99339z 8 14 two two NUM ks65h99339z 8 15 layers layer NOUN ks65h99339z 8 16 of of ADP ks65h99339z 8 17 bismuth bismuth NOUN ks65h99339z 8 18 selenide selenide NOUN ks65h99339z 8 19 as as ADP ks65h99339z 8 20 the the DET ks65h99339z 8 21 topological topological ADJ ks65h99339z 8 22 insulator insulator NOUN ks65h99339z 8 23 separated separate VERB ks65h99339z 8 24 by by ADP ks65h99339z 8 25 a a DET ks65h99339z 8 26 thin thin ADJ ks65h99339z 8 27 layer layer NOUN ks65h99339z 8 28 of of ADP ks65h99339z 8 29 tungsten tungsten ADJ ks65h99339z 8 30 diselenide diselenide NOUN ks65h99339z 8 31 as as ADP ks65h99339z 8 32 a a DET ks65h99339z 8 33 tunnel tunnel NOUN ks65h99339z 8 34 barrier barrier NOUN ks65h99339z 8 35 . . PUNCT ks65h99339z 9 1 the the DET ks65h99339z 9 2 alignment alignment NOUN ks65h99339z 9 3 of of ADP ks65h99339z 9 4 the the DET ks65h99339z 9 5 fermi fermi NOUN ks65h99339z 9 6 levels level NOUN ks65h99339z 9 7 of of ADP ks65h99339z 9 8 the the DET ks65h99339z 9 9 topological topological ADJ ks65h99339z 9 10 insulator insulator NOUN ks65h99339z 9 11 layers layer NOUN ks65h99339z 9 12 and and CCONJ ks65h99339z 9 13 the the DET ks65h99339z 9 14 thickness thickness NOUN ks65h99339z 9 15 of of ADP ks65h99339z 9 16 the the DET ks65h99339z 9 17 tunnel tunnel NOUN ks65h99339z 9 18 barrier barrier NOUN ks65h99339z 9 19 were be AUX ks65h99339z 9 20 investigated investigate VERB ks65h99339z 9 21 using use VERB ks65h99339z 9 22 x x NOUN ks65h99339z 9 23 - - NOUN ks65h99339z 9 24 ray ray NOUN ks65h99339z 9 25 photoelectron photoelectron NOUN ks65h99339z 9 26 spectroscopy spectroscopy NOUN ks65h99339z 9 27 . . PUNCT ks65h99339z 10 1 the the DET ks65h99339z 10 2 fabrication fabrication NOUN ks65h99339z 10 3 and and CCONJ ks65h99339z 10 4 initial initial ADJ ks65h99339z 10 5 electrical electrical ADJ ks65h99339z 10 6 measurements measurement NOUN ks65h99339z 10 7 of of ADP ks65h99339z 10 8 the the DET ks65h99339z 10 9 spin spin NOUN ks65h99339z 10 10 - - PUNCT ks65h99339z 10 11 filtered filter VERB ks65h99339z 10 12 tunnel tunnel NOUN ks65h99339z 10 13 diode diode NOUN ks65h99339z 10 14 were be AUX ks65h99339z 10 15 also also ADV ks65h99339z 10 16 investigated investigate VERB ks65h99339z 10 17 . . PUNCT