JFIF2Photoshop 3.08BIMBBand gap, refractive index, and reflectivity of InSb and PdSe₂ n720260909P Denise MaddoxUAuthorhBand gap, refractive index, and reflectivity of InSb and PdSe₂ nanostructures vary with dimensionality Science@https://scienmag.com/band-gap-refractive-index-and-reflectivity-© 2026 Sciencehttps://scienmag.com/In a finding that could reshape how researchers design the next generation of optoelectronic devices, physicists at the University of Anbar in Iraq have demonstrated that the optical personality of two technologically important semiconductors, indium antimonide (InSb) and palladium diselenide (PdSe₂), can be tuned simply by changing the dimensionality of the structures they are built […]ScienceTecTechnology and EngineeringTechnology and Engineering cohesive energy in nanomaterials(dimensionality effects on semiconductors InSb and PdSe₂ optoelectronics3light absorption and transmission in nanostructures6nanoscience for next-generation optoelectronic devicesnanosheet reflectivitynanowire refractive indexoptical property tuningquantum dot optical propertiessemiconductor nanostructuressize-dependent optical behavior&theoretical modeling of nanostructuresC    !'"#%%%),($+!$%$C   $$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$"< !1AQa"q2B#3$4Rbrs/!1AQqa#23" ?T|G&曺VϓQRU45% tiHUCKX]d?5dGȑ4&&br^$4$;5Lcum%&Kӹ.Qop(*V;ꕱc $+fqȷopCI ߯<^Tyԅ HWu껩źUJa֖S~jBTԒ>`FcHhӇt(AGMULUmgvJB̹11 ~edwH._} OL_5rI"4wVD$khQa{Dߑ41&ZTXq JI%tpgNc x>Yًo!?GRӠG'+FkG.(U.<rdbr`fd_ppOYڔ.ʆ>0VӁ AkLCkՌrڟ2.!I|ְҬ]pڮN8W NԠ9<꫚@\nIT9oLSJR BQq?jgJ\2VK2FGG;c9sr7|ߒm 8J<2JQW+lc G}7SXΏQܧS5g<{IEҬj]7X}|pB   ";%H?WQʄQaDdRHc^Dnk\͉(sc+ޑ\JIR}˕Z% Ti،yk K{q>ӎk&\*Ѣڑ.va ѱ # +رEs>N F)"\Dq]H.!K6p[Ls|w^5\iڢI*ӭ jHf[O[*Sy;†3G}U0܂.*R 湶z \ouyZ_E!?yY#@7h-RpNxQinV䴍%Gi=o*,ʋ$@6PIAZ^66 ZeHg_gZ쌹)$`~ꠧeHQm>1.Ҥ#%_Ybci>JS s)rLE A*Y!$I٨2}&}cHihi|bVg -_. VbJL[DHmӂ0=@z+0^AVߤ~SҶ'ޞ/pZeMU-=$$=)\R ^AI#=c9iB׳婇7upS$`RF+76eH͡'y%#R9r~(#}.3={V.QxgCEkx>Jb-K@D7%J`˓N>+ĵsqnDLE:VWNInsu\DPI s#7J}1<6e 8m9#Z|yUSQ9^elB(I6't#ޓ/^שr i?$ǣiJܘEJRд yǭ]{/Z+FyLH 8w'-v;q*ˮ,9V3?PАwGȖ#VA#yL<E j *٘X$Ho + 0=|%fGą:16JRP̬P@ǽfz.h 4bzd2Ⱔe^rq o\Y|˥)2TV8W>d+ڐwX.D1x.c#wstb uI={F. M6C$<1g'yV:V7 9?ORZu^ss,sX$7 -Iu^*$jio0Ac{y¹EQU$ыL~)2UyXKvq[Zg⣢cI} )V0ɡtm0|,L͛Q jY uq<&BGgwN\ -ZK QpKaK URZbD"-+.$ -5]ma>]AI aRZ`'[.҅&I+V4MSͺ[ZԓUU:积 J;Wn5߿"|S%UIxm6î󚐖*$Y>4u.;p'gm8%Q!-HVun7VH[wYb!KmJ `g{+i_9*2JT8Vzu_\FKq EZen;S$]B6I؜8Q*^\0h[OSq{|cV眍)TBҰsp՟|UQzD xg VT|?Z5mwy>:Nr>3 E1c-lNBiХms(SGutG"Ms*/Huvf[jRڜ}*ߺ¾(jYλF؄`% n# Lt)$ȚwBv:D7X-, N\_;: !<}~QYB($xw^|_zk{ wH9.Z{gKS(6,y)>˞3b¸(Q-qVsIĚD@QF=}*,Ff/8*%BO5 oa:'Z&\9醂8՛*ÌMCLhȒ֞RI<a-++CɌ{M5AQèo|:x~&Kˉ[ 0?v4 fT]$ǷxLۓqmE6$~fNVIR=+qe$ÏW{n G.R[AXz=*Fs Kn6:ڐRƬ hƀC%x$1w#\*ghRG;0팟lTS e\-ͺ'#O>{GZ&.1bq^R27|_y'r+@!DM]fKmz;Bl_U_.,iLp>C"XѧnY[0< rjN}=sC( [J&mXYm注 ,k,8E׷h%Zp4sl\QR{$ke{HdB#{PE&w_@n'(XQE$~%y) (KJI 7ґCr[[( jlX;q\(]8&ZcL卻ۥd4gҢoZ`Bl8pnBZVT'y5bz:"oJڔPj6+CrN҄Rk7\fܥ) oS[QĔoP5NwI ǿ;-YxH9Z5,;D62IB4~5YRgŷiZӎU*F}kN[20 l_)\l,XNz֓ K *AKF:ڗfOg(QE$ך)Fkf^'wZ4 [t\rOͲ|ҬyN)5ivӘ\k=sS&Hn[Rk5ߐ%ai-Qܠf>eDm ڠselD[H=Z!eJWU-'!bQ0bTfDUg2^uW^Hf3%N,CQ>"v+vV6ϟN1U9S~{ҿ4l1y8ZdI=A9cRÙ5\#ICn:6O`VcE)<'*-79m>uKQR*