s ▁of ▁East ▁Tim or ▁Category : 2 1 st - century ▁women ▁polit icians ▁Category : M embers ▁of ▁the ▁National ▁Parliament ▁( E ast ▁Tim or ) ▁Category : W omen ▁government ▁minister s ▁of ▁East ▁Tim or ▁Category : E ast ▁Tim or ese ▁women ▁activ ists ▁Category : E ast ▁Tim or ese ▁civil ▁servants ▁Category : Re cip ients ▁of ▁the ▁Nicol au ▁Lob ato ▁Order ▁Category : Pe ople ▁from ▁Man at uto ▁District <0x0A> </s> ▁Sam arium ▁hex abor ide ▁( Sm B 6 ) ▁is ▁an ▁intermediate - val ence ▁comp ound ▁where ▁sam arium ▁is ▁present ▁both ▁as ▁Sm 2 + ▁and ▁Sm 3 + ▁ ions ▁at ▁the ▁ratio ▁ 3 : 7 . ▁It ▁belongs ▁to ▁a ▁class ▁of ▁K ondo ▁ins ul ators . ▁ ▁At ▁temper atures ▁above ▁ 5 0 ▁K ▁its ▁properties ▁are ▁typical ▁of ▁a ▁K ondo ▁metal , ▁with ▁met all ic ▁elect rical ▁conduct ivity ▁character ized ▁by ▁strong ▁electron ▁scatter ing , ▁whereas ▁at ▁low ▁temper atures , ▁it ▁behav es ▁as ▁a ▁non - mag net ic ▁ins ulator ▁with ▁a ▁narrow ▁band ▁gap ▁of ▁about ▁ 4 – 1 4   me V . ▁ ▁The ▁cool ing - indu ced ▁metal - ins ulator ▁transition ▁in ▁Sm B 6 ▁is ▁accompanied ▁by ▁a ▁sharp ▁increase ▁in ▁thermal ▁conduct ivity , ▁pe aking ▁at ▁about ▁ 1 5 ▁K . ▁The ▁reason ▁for ▁this ▁increase ▁is ▁that ▁electrons ▁do ▁not ▁contribute ▁to