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Why the crystal structure of the element is such lattice but not another?

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Реферат Геннадия Филипенко Гродно 1996 “Why he crys al s ruc ure of he eleme is such la ice bu o a o her?How much elec ro s are placed i zo e co duc ivi y from o e he a om of la ice?” Abs rac he li era ure ge erally describes a me allic bo d as he o e formed by mea s of mu ual bo ds be wee a oms' ex erior elec ro s a d o possessi g he direc io al proper ies. However, a emp s have bee made o explai direc io al me allic bo ds, as a specific crys al me allic la ice.Why he crys al s ruc ure of he eleme is such la ice bu o a o her?How much elec ro s are placed i zo e co duc ivi y from o e he a om of la ice? his paper demo s ra es ha he me allic bo d i he de ses packi gs (volume-ce ered a d face-ce ered) be wee he ce rally selec ed a om a d i s eighbours i ge eral is, probably, effec ed by 9 ( i e) direc io al bo ds, as opposed o he umber of eighbours which equals 12 ( welve) (coordi a io umber). Probably, 3 ( hree) "foreig " a oms are prese i he coordi a io umber 12 s ereome rically, a d o for he reaso of bo d. his problem is o be solved experime ally. I roduc io A prese , i is impossible, as a ge eral case, o derive by mea s of qua um-mecha ical calcula io s he crys alli e s ruc ure of me al i rela io o elec ro ic s ruc ure of he a om. However, Ha zhor a d Delli ger i dica ed a possible rela io be wee he prese ce of a cubical volume-ce ered la ice i subgroups of i a ium, va adium, chrome a d availabili y i hese me als of vale d-orbi als. I is easy o o ice ha he four hybrid orbi als are direc ed alo g he four physical diago als of he cube a d are well adjus ed o bi di g each a om o i s eigh eighbours i he cubical volume-ce ered la ice, he remai i g orbi als bei g direc ed owards he edge ce ers of he eleme cell a d, possibly, par icipa i g i bi di g he a om o i s six seco d eighbours /3/p. 99. Le us ry o co sider rela io s be wee ex erior elec ro s of he a om of a give eleme a d s ruc ure of i s crys al la ice, accou i g for he ecessi y of direc io al bo ds (chemis ry) a d availabili y of combi ed elec ro s (physics) respo sible for galva ic a d mag e ic proper ies. Accordi g o /1/p. 20, he umber of Z-elec ro s i he co duc ivi iy zo e has bee ob ai ed by he au hors, allegedly, o he basis of me al's vale cy owards oxyge , hydroge a d is o be subjec o doub , as he experime al da a of Hall a d he u iform compressio modulus are close o he heore ical values o ly for alkali e me als. he volume-ce ered la ice, Z=1 cas s o doub . he coordi a io umber equals 8. he ex erior elec ro s of he fi al shell or subcoa s i me al a oms form  co duc ivi y zo e. he umber of elec ro s i he co duc ivi y zo e effec s Hall's co s a , u iform compressio ra io, e c. Le us co s ruc he model of me al - eleme so ha ex er al elec ro s of las layer or sublayers of a omic ker el, lef af er filli g he co duc io ba d, i flue ced somehow pa er of crys alli e s ruc ure (for example: for he body-ce red la ice - 8 ‘vale cy’ elec ro s, a d for volume-ce ered a d face-ce red la ices - 12 or 9). ROUGH, QUALI A IVE MEASUREME OF UMBER OF ELEC RO S I CO DUC IO BA D OF ME AL - ELEME .

EXPLA A IO OF FAC ORS, I FLUE CI G FORMA IO OF YPE OF MO OCRYS AL MA RIX A D SIG OF HALL CO S A . (Algori hm of co s ruc io of model) he measureme s of he Hall field allow us o de ermi e he sig of charge carriers i he co duc io ba d. O e of he remarkable fea ures of he Hall effec is, however, ha i some me als he Hall coefficie is posi ive, a d hus carriers i hem should, probably, have he charge, opposi e o he elec ro charge /1/. A room empera ure his holds rue for he followi g: va adium, chromium, ma ga ese, iro , cobal , zi c, circo ium, iobium, molybde um, ru he ium, rhodium, cadmium, cerium, praseodymium, eodymium, y erbium, haf ium, a alum, wolfram, rhe ium, iridium, hallium, plumbum /2/. Solu io o his e igma mus be give by comple e qua um - mecha ical heory of solid body. Roughly speaki g, usi g he base cases of Bor - Karma , le us co sider a highly simplified case of o e-dime sio al co duc io ba d. he firs varia : a hi closed ube is comple ely filled wi h elec ro s bu o e. he diame er of he elec ro roughly equals he diame er of he ube. Wi h such filli g of he area a local moveme of he elec ro a opposi e moveme of he ‘si e’ of he elec ro , abse i he ube, is observed, i.e. moveme of o - ega ive sigh i g. he seco d varia : here is o e elec ro i he ube - moveme of o ly o e charge is possible - ha of he elec ro wi h a ega ive charge. hese wo opposi e varia s show, ha he sigh i g of carriers, de ermi ed accordi g o he Hall coefficie , o some ex e , mus depe d o he filli g of he co duc io ba d wi h elec ro s. Figure 1. q -q                           б) Figure 1. Schema ic represe a io of he co duc io ba d of wo differe me als. (scale is o observed). a) - he firs varia ; b) - he seco d varia . he order of elec ro moveme will also be affec ed by he s ruc ure of he co duc ivi y zo e, as well as by he empera ure, admix ures a d defec s. Mag e ic quasi-par icles, mag o s, will have a impac o mag e ic ma erials. Si ce our reaso i g is rough, we will fur her ake i o accou o ly filli g wi h elec ro s of he co duc ivi y zo e. Le us fill he co duc ivi y zo e wi h elec ro s i such a way ha he ex er al elec ro s of he a omic ker el affec he forma io of a crys al la ice. Le us assume ha af er filli g he co duc ivi y zo e, he umber of he ex er al elec ro s o he las shell of he a omic ker el is equal o he umber of he eighbouri g a oms ( he coordi a io umber) (5). he coordi a io umber for he volume-ce ered a d face-ce ered de ses packi gs are 12 a d 18, whereas hose for he body-ce ered la ice are 8 a d 14 (3). he below able is filled i complia ce wi h he above  judgeme s. Eleme RH . 1010 (cubic me res /K) Z ( umber) Z ker el ( umber) La ice ype a rium a -2,30 1 8 body-ce ered Mag esium Mg -0,90 1 9 volume-ce ered Alumi ium Or Al -0,38 2 9 face-ce ered Alumi ium Al -0,38 1 12 face-ce ered Po assium K -4,20 1 8 body-ce ered Calcium Ca -1,78 1 9 face-ce ered Calciom Ca =737K 2 8 body-ce ered Sca dium Or Sc -0,67 2 9 volume-ce ered Sca dium Sc -0,67 1 18 volume-ce ered i a ium i -2,40 1 9 volume-ce ered i a ium i -2,40 3 9 volume-ce ered i a ium i =1158K 4 8 body-ce ered Va adium V 0,76 5 8 body-ce ered Chromium Cr 3,63 6 8 body-ce ered Iro or Fe 8,00 8 8 body-ce ered Iro Fe 8,00 2 14 body-ce ered Iro or Fe Т=1189K 7 9 face-ce ered Iro Fe Т=1189K 4 12 face-ce ered Cobal or Co 3,60 8 9 volume-ce ered Cobal Co 3,60 5 12 volume-ce ered ickel i -0,60 1 9 face-ce ered Copper or Cu -0,52 1 18 face-ce ered Copper Cu -0,52 2 9 face-ce ered Zi k or Z 0,90 2 18 volume-ce ered Zi k Z 0,90 3 9 volume-ce ered Rubidium Rb -5,90 1 8 body-ce ered I rium Y -1,25 2 9 volume-ce ered Zirco ium or Zr 0,21 3 9 volume-ce ered Zirco ium Zr Т=1135К 4 8 body-ce ered iobium b 0,72 5 8 body-ce ered Molybde- um Mo 1,91 6 8 body-ce ered Ru he ium Ru 22 7 9 volume-ce ered Rhodium Or Rh 0,48 5 12 face-ce ered Rhodium Rh 0,48 8 9 face-ce ered Palladium Pd -6,80 1 9 face-ce ered Silver or Ag -0,90 1 18 face-ce ered Silver Ag -0,90 2 9 face-ce ered Cadmium or Cd 0,67 2 18 volume-ce ered Cadmium Cd 0,67 3 9 volume-ce ered Caesium Cs -7,80 1 8 body-ce ered La ha um La -0,80 2 9 volume-ce ered Cerium or Ce 1,92 3 9 face-ce ered Cerium Ce 1,92 1 9 face-ce ered Praseodymium or Pr 0,71 4 9 volume-ce ered Praseodymium Pr 0,71 1 9 volume-ce ered eodymium or d 0,97 5 9 volume-ce ered eodymium d 0,97 1 9 volume-ce ered Gadoli ium or Gd -0,95 2 9 volume-ce ered Gadoli ium Gd =1533K 3 8 body-ce ered erbium or b -4,30 1 9 volume-ce ered erbium b Т=1560К 2 8 body-ce ered Dysprosium Dy -2,70 1 9 volume-ce ered Dysprosium Dy Т=1657К 2 8 body-ce ered Erbium Er -0,341 1 9 volume-ce ered hulium u -1,80 1 9 volume-ce ered Y erbium or Yb 3,77 3 9 face-ce ered Y erbium Yb 3,77 1 9 face-ce ered Lu ecium Lu -0,535 2 9 volume-ce ered Haf ium Hf 0,43 3 9 volume-ce ered Haf ium Hf Т=2050К 4 8 body-ce ered a alum a 0,98 5 8 body-ce ered Wolfram W 0,856 6 8 body-ce ered Rhe ium Re 3,15 6 9 volume-ce ered Osmium Os &l ;0 4 12 volume ce ered Iridium Ir 3,18 5 12 face-ce ered Pla i um P -0,194 1 9 face-ce ered Gold or Au -0,69 1 18 face-ce ered Gold Au -0,69 2 9 face-ce ered hallium or l 0,24 3 18 volume-ce ered hallium l 0,24 4 9 volume-ce ered Lead Pb 0,09 4 18 face-ce ered Lead Pb 0,09 5 9 face-ce ered Where Rh is he Hall’s co s a (Hall’s coefficie ) Z is a assumed umber of elec ro s released by o e a om o he co duc ivi y zo e.

Z ker el is he umber of ex er al elec ro s of he a omic ker el o he las shell. he la ice ype is he ype of he me al crys al s ruc ure a room empera ure a d, i some cases, a phase ra si io empera ures (1). Co clusio s I spi e of he rough reaso i g he able shows ha he grea er umber of elec ro s gives he a om of he eleme o he co duc ivi y zo e, he more posi ive is he Hall’s co s a . O he co rary he Hall’s co s a is ega ive for he eleme s which have released o e or wo elec ro s o he co duc ivi y zo e, which does ’ co radic o he co clusio s of Payerls. A rela io ship is also see be wee he co duc ivi y elec ro s (Z) a d vale cy elec ro s (Z ker el) s ipula i g he crys al s ruc ure. he phase ra si io of he eleme from o e la ice o a o her ca be explai ed by he ra sfer of o e of he ex er al elec ro s of he a omic ker el o he me al co duc ivi y zo e or i s re ur from he co duc ivi y zo e o he ex er al shell of he ker el u der he i flue ce of ex er al fac ors (pressure, empera ure). We ried o u ravel he puzzle, bu i s ead we received a ew puzzle which provides a good expla a io for he physico-chemical proper ies of he eleme s. his is he “coordi a io umber” 9 ( i e) for he face-ce ered a d volume-ce ered la ices. his freque occurre ce of he umber 9 i he able sugges s ha he de ses packi gs have bee s udied i sufficie ly. Usi g he me hod of i verse readi g from experime al values for he u iform compressio owards he heore ical calcula io s a d he formulae of Arkshof a d Mermi (1) o de ermi e he Z value, we ca verify i s good agreeme wi h he da a lis ed i able 1. he me allic bo d seems o be due o bo h socialized elec ro s a d “vale cy” o es – he elec ro s of he a omic ker el. Список литературы Solid s a e physics. .W. Ashcrof , .D. Mermi . Cor ell U iversi y, 1975 Charac eris ics of eleme s. G.V. Samso ov. Moscow, 1976 Gru dzuge der A orga ische Kris allchemie. Vo . Dr. Hei z Krebs. U iversi a S u gar , 1968 Physics of me als. Y.G. Dorfma , I.K. Kikoi . Le i grad, 1933 Wha affec s crys als charac eris ics. G.G.Skidelsky.’’ E gi eer’’ № 8, 1989,Moscow. I roduc io i o physical chemis ry a d chrys al chemis ry of semi-co duc ors.    B.F. Ormo . Moscow, 1968. Appe dix 1 Me allic Bo d i De ses Packi g (Volume-ce ered a d face-ce ered) I follows from he specula io s o he umber of direc bo ds ( or pseudobo ds, si ce here is a co duc ivi y zo e be wee he eighbouri g me al a oms) bei g equal o i e accordi g o he umber of ex er al elec ro s of he a omic ker el for de ses packi gs ha similar o body-ce ered la ice (eigh eighbouri g a oms i he firs coordi a io sphere). Volume-ce ered a d face-ce ered la ices i he firs coordi a io sphere should have i e a oms whereas we ac ually have 12 o es. Bu he prese ce of i e eighbouri g a oms, bou d o a y ce ral a om has i direc ly bee co firmed by he experime al da a of Hall a d he u iform compressio modulus (a d from he experime s o he Gaase va Alfe effec he oscilla io umber is a mul iple of i e. Co seque ly, differe ces from o her a oms i he coordi a io sphere should presumably be sough amo g hree a oms ou of 6 a oms loca ed i he hexago .

I shrugged and said my name was James, and she clapped with delight, as if I had just asked her to make a deal. "I saw you when we got off the bus this afternoon," she told me, walking alongside me uninvited, "and I thought you looked very handsome, like a very nice person who I'd like to get to know." I looked down at her. She was about five feet tall, twelve if she was a day, her thin halter top giving way to slight tits, her tight pants pushed out by firm little buttocks. She was cute. Big brown eyes, her hair wavy and long, upturned nose and red cheeks, a bright little girl I decided. "So here I am," she went on, skipping to keep up with my long strides. "Do you mind this? I mean, are you upset that I disturbed you or anything?" "Not at all," I said diplomatically. "I like to get to know the kids." "I'm not a kid!" she exclaimed, cross now, her high voice rising, "and I'm not just one of the kids either – I'm Laura, I'm a person!" "Okay, I'm sorry," I said, seeing her eyes flash, "but you must understand that with a couple of hundred kids here, you get to see people in terms of numbers." I don't know why I explained myself to such lengths, but she seemed satisfied

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26. Culture of the youth

27. Problems of the youth

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Кроватка для кукол, деревянная.
Если ваша дочка мечтает собрать для любимой куколки целый мебельный гарнитур, то начинать необходимо с покупки именно этой реалистичной
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81. Structure of sentence

82. Allergy Enlightenment: Is Modern Medicine Fighting the Causes of This Ailment? Are Doctors Telling Us Everything?

83. The models of atom’s nucleus and table of elements.

84. The effect of light intensity on the amount of chlorophyll in “Cicer arietinum”

85. The Economy of Great Britain

86. Jealousy as the cause of internal self-destruction in "Kreutzer Sonata" by Leo Tolstoy (Ревность как причина внутреннего самоуничтожения в "Крейцеровой сонате" Льва Толстого)
87. Alaska’s Wildlife: on the Verge of Extinction (Живая природа Штата Аляска на грани исчезновения)
88. Motivation: Reward system and the role of compensation
Motivation: Reward system and the role of compensation

89. The Proverbs Are Children Of Experience (Пословицы - Дети Опыта)

90. The Tower of London

91. The Economy of Great Britain

92. The New-York City, Places of interest

93. Династия Тюдоров (essay the house of Tudor)

94. Raskolnikov and Svidrigailov: on the brink of suicide. Ф.М. Достоевский, Преступление и наказание

95. The history of Old English and its development

96. Consequence of building the National Missile Defense

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Детский трехколесный велосипед колясочного типа, для малышей от 10 месяцев до 3 лет. Модель с удлиненной рамой, что позволяет подобрать
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Антискользящий резиновый коврик для ванны "Roxy-kids", 35x76 см, белый.
Резиновый коврик с отверстиями ROXY-KIDS создан специально для детей и призван обеспечить комфортное и безопасное купание в ванне. Мягкие
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Настольная игра "Собери урожай".
Игра на развитие познавательных способностей, зрительно-моторной координации движений. Познакомит с ролевой игрой и укрепит социальное
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97. The house of my dream

98. The History of Alaska (история Аляски)

99. The role of art in our life


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