SCIENTIFIC ABSTRACT PAJAK, J. - PAJEVIC, R.

• Document Type: CREST
• Collection: Scientific Abstracts
• Document Number (FOIA) /ESDN (CREST): CIA-RDP86-00513R001238730003-4
• Release Decision: RIF
• Original Classification: S
• Document Page Count: 100
• Document Creation Date: January 3, 2017
• Document Release Date: August 1, 2000
• Sequence Number: 3
• Publication Date: December 31, 1967
• Content Type: SCIENTIFIC ABSTRACT

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-- FAJAX.. Tan# mgr.j inze
1~I Air and regrigerating compressors at the 30th International FOURn
Nkir. Przegl mech 20 noJB:560-564 S 161o
1--
1. Centralne Muro Aparf4*AWnicznej,, 1rakow.

BERNAS.. Stefan; PAJAK, Janusz
Network amalyoer determining automatically the power
distribution and voltage level. Przegl elektrotec.hn 40
no. 2:96-98 F 164.
1. Politechnika, Warszawa.

pt.j-k%K,s JkN L.
1~7d. 1.7,jarszamai panstipmrwe Wydawn. Roinicze i Lesenj 1954
zarys cylowu byd1a, fv. st ed-7
456p. Coutline 01, cattle breeding* Not in DLC
DA
So: F-onthly List of East Eurorej)-n Acceseions LC, vol. 6, 110. 10, Oct.obcr 1957. Uncl.

Ir
?Ar UTAK$ K.
Management of packing, p. b. (ROLNIK SPOLDZIEWA, Idarszawa, Vol. 8, no. 1, Jan. 1955.)
SO: Monthly List of East European Accessions, (EEAL), LC, Vol. b, No. 6, Jun. 19.55,
Uncl.

PAJAK, Kieczyslaw, inz.
Universal layout of city distribution networks. Energet7ka Pol
19 no.1:9-13 Ja 165.
1. Power Plants of the Southern District, Katowice.

- PAJAK, Teodor
Sinusoidal tables. mechanik 34 no.1:49-51 162.
1. Fabryka Wyrobow Preeyzyjn-yeh im.Ger.K.Svierczewskiego, Warszawa.

-~-PiJU) 2,
Acla Omni -A
dielec, c6nst. of polyciyk.- Ba an a S J ta ates was-
lobtairred ~as a function or d.c. biasing field for quasiftatic
,b,
'stjites'abDve and below the Curie point. Particularly the
effect:of preliminary polarization of Ba titanatm on tftnc~
vatiation behavior of dielce. const. below the Curie pointo-,
dependl on direction of applied field, was'observed
Sylvia Nowinsk

PIq
P3~, A. PAjM, Z.
"Thermal pseudohysteresia of the dielectric constant of ferroelectric titanates"
p. 256 (acJ& physiolorica 1DO10niC J, Vol- 11, No- 3/4, 1951/52, Warszawa)
East European Vol. 3, No. 3 4
SO: Mont List of AWM( Accessions/ Library of Congress, March 195Y, Uncl-

V4,1 ~Thermal pseudohysteresis of th dielectric can~tant of
Qglp'frl S. A. Piekara non J~ ic
6
l
'~
1
10,
inir-Irawl 21
IRMEsk Poland). Ada
K,
t
xyj-
4
;_
const- of BaTiOi and vf
8
BaTjO2, 21.4% SrTiOj disks, fired 2 hrs. at 1300', was
measured with 2 kc./scc. and 5 kc./sec. in a field of 20 v./
cm. during consmutive beating cycles of 1-5 brs, duration.
The dielec. const. was always higher during cooling than
during heating, with a diffprence of up to 107o. This thermal
hysteresis was appearing whether or not the cycles enclose
the Curie ttmp.*or lie above or below it. TheCurletcmp.
for BaTiOs during heating was 127* and during cooling 125* 0
(corresponding values for BaTiOrStTIO, 50* and 64').
Stopling of the cooling process enused a spontaneous dro Of
r
i t
the lelec.const. A previous cooling does not pr(Auce ler-
mal hysteresis and shifting of a certain preestablished value,
as realized by a cycle for Ba Sr titanate betwcen 45 and 20*. t
There exists only a high-temp. memory, no low-temp
h
H
b
B
S
L:

.
ac
s
et
ert
memory.

Thermal inaependenco of pci-mittivity of ferrop-lectric hecteror-eneou-, syst~irris.
In Enclish. p.83
B',JUi;";!N-, Varsovie
7ol. 4, no. 2, 1956
SO. East E-iro7.~tean Accessions List 11o1. 5, ho. 9 Senitember 1956

f) r\-)'7-,-

"Synthesis of ferroelectrics of the BaTJL03 tyPe-"
Postepy Fizyki, '.IarSU;4, Vol 5, No IC, 19154, 1). 212
SO: Eastern European Accessi:ins List, Vol 3, !~o 10, Oct 1954, Lib. of Conxgress

AUTHOR: Fajak, Z
SOURCE: postepy fizvki~ 15, no.
ToPIC TAGS, semicondlActor, dielectric, rjagnetic material, quantum electrottiCS
sideT-cd te. be of pl-ITWTY
i,'2

L ~557L-6~
ACCESSION NR: AP4047631
fizyki FAN (Ph c J-L-c i n-, it ut e , PILN,-
f %- Y-
wItIh many unTv-er-_Qity deDartments. The cog--rittee -F tkn PAN i- the main
cootdinator of irvest ~gat ions t~'. i~i
AS9nrT-AT'ION- Zenpol flz-,?ki ciala stalego KcnItetu flzyki PAN (Solid Rtat- PhvSicS
NQ REF SOV: 000 rITHER: 00~)
Card 2/2
If'A
t
I M, I W11-11-1

POLAND
PAJAK,, Z.; STANKOWSKI, J.
PAN Institute of Physics, Dept, of Nonconductors
(Instytut Fizyki PAN, Zaklad Dielektrykow), Poznan
(for both?)
Crakows Zostepy fizykis No 3. May-June 1965* PP 313-324
"Ageing process In ferroelectrie substances."

M &W-lf
p-i"'Rp 9
az
-RI.OIN iMs f r'

PAJAK,, Zdxlslaw --
Dielectric investigation of Perovskite type ferroolectrics. Ft. 1.
Farroeleatric systems with small teml*ratvre coefficient of permittivity.
Pt. 2. 'Aging process in ferroelectrites. Acts, physica Pol 18 no.5:
473-520 159.
1. Polish Academy of Sciences,, Institute of Physics,, Dielectric
Woratoryp Poznan.

-2 X. ~ 9 ~?') 4~_ 67146
-24 N~7_7__r %
AUTHOR: .XAJ p4iJaLigs .1art POL/45-18-5-6/11
TITLE; Dielectric Investigation of Perovskite Type Ferroelectrics'~
Part I: Ferroelectric Systems With Small Temperature
Coefficient of Permittivity
PERIODICAL: Acts, Physica Polonica, 1959, Vol 18p Nr 5, PP 473-506 (Poland)
"K
In the introduction the author gives a short survey on facts
characterizing ferroelectrics. They can be classified into
two groups, the first containing crystals with various so-called
hydrogen bonds, the second comprising crystals with oxygen
octahedra; a third group seems to be represepted by the
recently examined dicalciwn-strontium propip4ate tlli~cf 16),
Ferroelectricity results from spontmicous polarization, i.e.
from dipole interaction which is due to off-centered protons
in the H-bond or to off-centered metal ions in the oxygen
ocatahedra, respectively. A satisfactory theory of ferro-
electricity does not exist as yet. In his investigations the
author used samples of BaTio 3 and BaTiO 3-SrTiO3 solid
solutions of different composition as viell as BaTiO 3-11g3no3
Card 1/5 solid solutions. Impurities were detected by applying

67146
Dielectric Investigation of Perovskite Type Porro-- POL7115-16-5-6/11
electrios. Part I: Ferroelectric Systems With Small Temperature Coefficient
of Permittivity
spectrography. The influence of the sample support on the
properties of the samples is considerable. Reaction rate
depends on grain size, thus, before sintering, the reagents
were milled in order to develop the largest active surface.
Low porosity and consequently high degree of homogeneity were
2
attained by applying pressures of up to 3500 kg1cm . Technical
difficulties, however, concerning impurities limited the
pressure to about 1000 kg/cM 2 in most of the cases. The
pressure was exerted by a large oil hydraulic press of up to
100 tons (put at the disposal by Professor W. Kuczyflski,
A. Mickiewicz University at Poznafl). The samples were twice
milledq pressed and sintered whereby, when passing through
the process for the second time they were sifted through a
finely ineshed sieve. To obtain the heterogeneous mixtures solid
solutions, recrystallized during the second stage of preparation,
viere crushed and sifted and afterwards sintered 'under pressure.
Card 2/5 Two and in some cases three different solid solutions of the
----- -- vu-u -wnos6 ttro
P itY temperature

~, -) it 6
Dielectric Investigation of Perovskite Type Ferro- PI)L/45-18-5-6/11
eloctrics. Part 1:, Ferroelectric Systems aith Small Tori1jerature Qoefficient
of Permittivity
same grain size were used to prepare a heterogeneous system.
The homogeneous systems were prepared in nearly the same way.
The samples were pressed mid sintered in the shape of tablets,
carefully polished and coated with a silver paste (Chiefly
silver oxide thoroughly milled to-ether -?.,ith -Iycerol), thus
forming a ferroelectric condenser, For preparation, reagents
produced by The British Drtig j I' ~j T t Poole, E~i-land
(titanium dioxide) and by The Labo2atory Chemicals Factoryq
Gliwice, Poland (the other compounds bein.- barium, strontium
and magnesium carbonates and stannic dioxide) wexe used. Radio-
gr-aphical analysis (carried out by 1.-,r. J. JarA-.o to whom. the
author expresses his gratitude) showed only the desired
perovskite structure in the finished reaction products. The
capacity of the samples Nvas measured by the resonance method;
figure 1 shows the wiring, Dielectric power factor and hysteresis
were also measured (Pigs 2, 3). Three methods were used for
compensating the temperature coefficient of the sample
permittivity, The first consists in connecting in parallel t-ao
Card 3/'5 ferroelectric capacitors whose permittivity temperature ~K

6 7 11-Z
Dielectric Investigation of Perovskite Type Ferro- POL/45-18-5-6/11
electrics. Part I: Ferroelectric Systems With Small Temperature Coefficient
of Permittivity
coefficients have opposite sign. The second method suggests to
compose a heterogeneous system of two or three simple BaTIO,'~_
_SrT'03 solid solutions. '1%7o oolid solutions with different'-.
Curie temperatures but.thd same grain size are chosen and react
on the grain surfaces in the process of sintering foriani-'J", M
intermediate boundary layer of a-new Curie point, Thus, the
result was a material consisting of three or more solid phases
and, moreover, a gaseous phase ovring to the porosity, The third
method consists in composing -MgSnO solid solutions. This
, BeLT'03 3
method presents the best advantages yielding a permittivity
temDerature coefficient smaller than 2~10 2 deg-1 and a rather
high value of permittivity, The temperature dependence of the
temperature coefficient of permittivity near the ferroelectric
transition point is discussed, Theye are 28 figures, 2 tables,
and 41 references, 9 of Which are Soviet.
ASSOCIATION: Polish Academy of-Sciences, Institute of P~jsics, Dielectrin
Card-4/5 L ab o r a t o r7,,-P-o _zn a-E - Y'

6,7146
Dielectric Investigation of Perovskite Type Ferro- POL/45-18-5--6/11
electrics. Part I: Ferroelectric Systems 'Uith Small Temperature Coefficient
OT Permittivity ~K
SUBUITTED: February 16, 1959
Card 5/5

C~9.'12 POO
Ho .24 (6~- 67147
AUTHOR. -Pajak Zdzislarr POL/45-18-5-7/11
TITU: I'nvestigation of Perovskite Type Ferroelectrics
Part II..- Ageing Process in Ferroelectrics
PERIODICAL: Acts, Physica, Polonica, 1959~ Vol 189 1Tr 5, PP 507-520 (Poland)
ABSTRACT: The author of this paper found that permittivity and power
factor of BaTiO 3-MgSnG 3 solid solutions undergo ageing, too.
In order to observe the alterati6ns over a greater temperature
range, measurements of permittivity as a function of temperature
were carried out for young samples and for samples aged at
room temperature (Pig 1). For aged samples, the Curie point
is shifted towards higher temperatures. All these effects are
not typical properties of the material but depend on the sampie's
history, Spontaneous polarization, coercive force and hysteresis
losues vaniBh aa a rovult of againg, As L)econdary offecto
(theoretically explained by Mason, 1955), the drop or
vanishing of spontaneous polarization involves a decreaDe in
permittivity, power factor and mechanical coupling factor.
The author suggests a domain mechanism of ageing, leading to the
Card 1/2 formation of domain-antiferroelectrics, He also investi&ated

WAKSI Zdzislaw
Study on molecular interactionS by MagDetic nuclear resonance,- Theqr
complemes. AcU physice, Pol, 21 no.2:131-244 F 162.

P/045/62/021/002/003/007
B102/B101
ATITHOR: Fajjk, Zdzislaw
TITLE: Study of molecular interactions by nuclear magnetic
resonance. The n complexes
PERIODICAL: Acts. Physics, Polonica, v. 21, no. 2, 1962, 131 - 144
TEXT: The nuclear magnetic resonance method was used for determining the
hydrogen bond type and the n complexation in aromatic compounds as benzene
and naphthalene with different acceptors (halogen derivatives of methane
and ethane). Induction technique (6 koe, 25 MC) and a TrUb-Tgubner
spectroscope (2.10- 8 resolution) were used. Molecular complexation is
due to chemical bond or Van der Waals binding; hydrogen bonds, investigated
here, are somewhat between these two types. They are stronger than the
latter, but weaker than the former (e.g. 109 kcal/mole for O-H, 6 kcal/mole
for O..H in C 2H5OH). The binding parameters depend on the acidity or
basicity of the agent. The n-complex bond forms when the molecular
n-electrons act as proton acceptors, e.g. between benzene and a cation.
Card 1/3

P/'045/62/021/002/003/007
Study of molecular interactions ... B102/B101
The interaction between the acceptor protons and the n-electrons of an
-aromatic compound in n-complexes is thus considered as a particular case
of hydrogen bond. The effect of a n-donor on different acceptors was
studied by proton magnetic resonance. As has been shown already (Pajek,
C. R. Paris, 249, 1211, 1959), when chloroforme interacts with benzene,
the proton band is shifted toward stronger fields. The same was found
to hold for bromoforme and iodoform. The chemical 'shift 6 was measured for
various mixtures. Though the n-effect for the acceptorproton causes a
positive variation (M(n) >0) of the shift, it is assumed to be a case of
complexation. The experimental results Speak in favor of this. The
existence of a n-effect was proven for benzene with the homolog series
CH2X2 and CH31. A correlation exists between the n-effect and the
chemical shift of the acceptor proton. 66(n) decreases with the shift of
the acceptor band toward the stronger fields. Also the correlation
between acidity and acceptor structure exists. For naohthalene and
heterocyclic compounds the existence of n-complexes was proven. In the
latter case, the free doublet of the heteroatoms forms an "aromatic sextet"
with the four n-electrons of the double bond. Professor R. Freymann and
Professor A. Piekara are thanked for help and advice. There are 7 figures,
Card 2/3

)111~11AKIX (I M filaw
t
Physics of solids on the twentieth anniversary of tne Polish
Peoples Republic. Postepy fizyki 15 no.4:375-383 164.-
1. Working Collective of Physics of Solids, Polish Academy of
Sciences, and Institute of Fhyt3ics, Foliqh Academy of' Sciences,
Pqznan.

TT
NANICKI, Z;PAJAKOVA, R.
Biological tests In diagnosis of hemophilia. Prs*gl. log., Krakow
no.1:10-11 1952. (CLWL 2W)
1. Of the Second Clinic of Internal Disease* (Head-Prof. Tadenes
~empka.'M. D.) of Krakow Medical AcadoW.

/